Howdy.

I currently own a 94 toy pickup 4x4 with a 22re. I'm on a quest for mad power. I figure I would really like some traction with my mad power, too.
That's what brings me here. Someone on the 22ret list told me that FZJ80s came with a 5 speed manual AWD(or automatic 4speed... but I'm not into autos) tranny.
I'd like to find out as much as possible about this tranny, and the engine it comes with.

What years are the AWD trannies available:question:

How much HP can they withstand:question:

Are there any reliability issues:question:

What about the engine it comes with? I hear it's a 4.5 liter and it only puts out 202 HP. What's up with that? Is it reliable:question:

Is the cruiser engine used in any other toyotas:question:

Thanks.

Originally posted by Trevarthan
Howdy.

That's what brings me here. Someone on the 22ret list told me that FZJ80s came with a 5 speed manual AWD(or automatic 4speed... but I'm not into autos) tranny.

Not in the US, only in other markets.

I'd like to find out as much as possible about this tranny, and the engine it comes with.

What years are the AWD trannies available:question:

The AWD version only came with the auto tranny.

How much HP can they withstand:question:

The non-US tranny is very similar to the 5-speed manual used in the V6-powered 4-Runner, take it from there! Stock engine horsepower is 212 or so, but there is a supercharger available that boosts that up significantly while retaining the factory warranty. Based on that, i wouldn't doubt the tranny can take about 300 hp with no problems.

Are there any reliability issues:question:

No that I've heard of.

What about the engine it comes with? I hear it's a 4.5 liter and it only puts out 202 HP. What's up with that? Is it reliable:question:

It's an inline six, built for torque rather than high-end. It's extremely reliable.

Is the cruiser engine used in any other toyotas:question:

Yes, some versions appear on Coaster Buses and Dyna trucks.

Thanks.

Thanks. Very helpfull. However, would you mind clarifying something for me?

You stated that the 5 speed was only available in foreign markets, right?

Then you said that the AWD transfer only came on the auto.

So, none of the 5 speeds had the AWD transfer?

Or did you mean that none of the US 5 speeds came with the AWD because it doesn't exist here? Thanks.

AFAIK, no Land Cruiser 5-speed anywhere in the world was mated to a full-time transfer-case, only part time transfers. I dug up the designation of the 5-speed, it's the H150F or the R150F, depending on the year of the vehicle.

Yeah, that's definately the truck v6/supra turbo tranny. Bummer.

Originally posted by 60seriesguy
AFAIK, no Land Cruiser 5-speed anywhere in the world was mated to a full-time transfer-case, only part time transfers. I dug up the designation of the 5-speed, it's the H150F or the R150F, depending on the year of the vehicle.

ummm, i dont mean to sound like a smart ass but i am SURE you are wrong, in Oz, any GXL (luxury style or better, GXV etc) cruiser will have the 5spd or 6spd (GXV/Lexus) MANUAL but im sure the petrol 5 speed, (common) is the R150F, but i KNOW that the DIESEL transmission has a full time transfer (this means constant 4WD right?) my parents have one of these, and i know of one that removed the turbo diesel and put in a 454chev, and has had no strength problems, i also heard of one done by marks adapters that removed the 4.5L EFI and dropped in a 7.3L chev, i think this is a 454ci (maybe??) so yeah its do-able with the manuals and they can take some stick,

but they are $$$$ 1800-2500 at least, still, although it keeps coming down

Yeah. I'm looking for the full-time transfer. You don't happen to know the diesel's model number, do ya? We don't get many diesels here in the states.

Also, you mentioned the 5 and 6 speed petrol manuals. Are these Lexus or Toyota? Land Cruiser? What years were they made? Are you sure they had the full-time transfer case? Could you get me a model number? Thanks!

OKAY:

6 speed i have no idea, was only availabel int eh lexus and was only mated to the 4.7L V8

the diesel definitely had constant 4WD and defintiely has a TRUCK 5speed (no quick shifting here) but holds up to the turbo 1HZ nicely and its got bucketloads of torque and i think the power is 6kw shy of the 6.2 chev

i can get the model number on the diesel gearbox SOON

Hey Matthias,

Hows the ORC.com mailing list? Has it settled down in the last month? :)

Anyway, try checking out www.marks4wd.com

Check out the top link: Engine & Trans Conversions
A lot of godd Toyota info for models we dont see here in the States...

They may be able to answer a lot of these questions....
CYA!

Matthias,

FYI, there were no manual 80 series sold in North America. The 93-94 US 80 series has the A442F series automatic transmission pulled from its normal duty in the Coaster Bus as noted above. The Coaster is a Japanese city bus and has a max GVW of nearly 30,000lbs, so the tranny is way overbuilt for the 7000lb GVW 80 series. It has held up well to big blocks, superchargers and turbochargers on the 4.5L. From 95-97, a beefed 4Runner automatic replaced the expensive, overbuilt and somewhat rough shifting A442F.

The stock 93-97 US 80 series engine is a 4.5L twincam straight six with solid lifters, a unique double oilpan to resist oil starvation on steep terrain (also holds 8 quarts), and puts out 212hp and 275ft/lbs (just off idle for big torque). All US 80 series are also full time 4WD, with gear driven transfer cases and a 2.48:1 nice low range. The transfer case uses a unique AWD system in high range with a viscous coupling, but also has a mechanical center diff lock for low range that can also be added for use in high range with a simple switch.

The LandCruiser 4.5 is not used in any other Toyota passenger vehicle. There are no reliability or durability issues with this drivetrain, though moving to the axles there are axle seals on the birfields to deal with. These birfields are not fragile like the much smaller Toyota truck birfields - but the axle seals like just like them:rolleyes:

On the downside, these units are extremely heavy. For instance, the straight six engine weighs only a few pounds less than a big block. Another consideration would be packaging the straight six in a chassis designed for a V6 (Toyota mini trucks and 4Runners). Ditto putting the massive A442F into your chassis. Finally, there are few mods like lower gears and the like for these already trail worth beasts.

Hope the great info posted earlier and this answer your question. Over all, I would think this conversion way too expensive considering you could use a number of available V6 conversions like the 4.3 and end up with a wide variety of tranny and transfer case choices for far less money.

Hi Art!

The ORC mailing list is about as dead as a doornail. Nobody complains much anymore, so I guess it would be safe to come back, but nobody has much to say either. :) Kinda sad, really. I'll stay there until it shuts down, I reckon.

Doug, thanks for the great info. It's greatly appreciated. You wouldn't have any suggestions for me would ya? I'd like 200HP from a motor under 4 liters(not too heavy), without a turbo or supercharger(I'll add one later), a 5 speed manual transmission, and a full-time 4wd transfercase, with full lockup. Any ideas?

I'm just chasing ideas right now. Cost is always a consideration. And so is complexity. I want as little of both as possible. However, I'll go to great length to get it done if neccessary. Even if it means learning how to rebuild transmissions and design transfer case adapters. :)

Originally posted by Trevarthan
Doug, thanks for the great info. It's greatly appreciated. You wouldn't have any suggestions for me would ya? I'd like 200HP from a motor under 4 liters(not too heavy), without a turbo or supercharger(I'll add one later), a 5 speed manual transmission, and a full-time 4wd transfercase, with full lockup. Any ideas?

I'm just chasing ideas right now. Cost is always a consideration. And so is complexity. I want as little of both as possible. However, I'll go to great length to get it done if neccessary. Even if it means learning how to rebuild transmissions and design transfer case adapters. :)

Matthias,
have you read up on the Supra 7M swaps?
Sounds like exactly what you're looking for......Except for the full-time tcase.......
Also 92 was the last year of the 7M..... :(, so you might run into legal issues swapping a 92 motor into a 94.......

Yes, I have read up on the 7m swap. It's exactly what I want. However, there are two major problems:

1.) I'd loose my front diff unless I go solid axle, which wouldn't suit this truck.

2.) Like you said, even if I could get a front diff under there, I'd only have part-time 4wd.

I wish someone made an adapter for the NP203 for my W56 or something. Anyway, still looking.

Bit of wrong info there guys.

Maybe in the rest of the world but in Oz all our GXL Landcruiser 5 speeds have full time 4WD transfers in 4.5 petrol and diesels. The base models come with part time. Also our new 78 series trucks are available with the 4.5 six and now use the larger Landcruiser trans.

The 80 series uses a R155F trans and its completely different and much bigger etc to the mini truck R150F/R151F as can be seen in the link below.

Our landcruiser Prado which is a mini Landcruiser uses the R151F mini toy trans. I agree that the 4.5 engine and combo will not fit in a mini toy.

The V6 mini toy trans ie R150/R151 will easily handle 200Hp and its easier to retro fit to other engines, eg bells are available. I have an R154 (Supra turbo trans) behind my HO, link in sig below.

This is 97 80 series diesel showing the 5 speed I shipped to the US but with a part time transfer as thats what the guy wanted.

http://home.access1.com.au/~ozrunner/Diesel3.html

Here it is now being fitted to his 40 series.

http://home.attbi.com/~dtay/1HZ_Swap.html

Matthias,
Check out this thread:
http://www.pirate4x4.com/forum/showthread.php?s=&threadid=30461

This is Robert Jackson (Superrunner)........Ask him how he got it to fit with the IFS. :)

Have you checked Advance Adapters to check on the tcase adapters? I may be mistaken, but I think they have quitee a few adapters for Toy trannies........

Ozrunner said:

"Bit of wrong info there guys."

Not sure what you're referring to there, but I stand by my post as factual and accurate. There were no manual 80s sold in the US - period. Yes a half dozen 80 guys have imported 'grey market' used 80s with a variety of drivetrains but I'm assuming for practical purposes this would be irrelevent to someone interested in a conversion as he would pay more than his truck is worth to pry it out of the owner's hands. That's assuming he could even find one of these hen's teeth.

Just a clarification.

Facts I'm sure of:
The Canadian mine trucks (HZJ79's) use the R151 tranny. the R150/150F is used in US 6 cylinder Tundra's. A R150/151 is used in other 1990's V6 'mini' trucks.

All US spec trucks have IFS transfer case set ups with R15X series trannies.

No Cast iron (ala H55) has ever been placed behind a Toyota 6 cylinder 12 or 24 valve turbo diesel or 1FZ engine from the factory.

HZ's use a 21 spline input shaft for the clutch and the flywheel diameter is 275mm

HD's use a 300mm clutch/flywheel with 14 spline input, which is the same as 1FZ's after a period.

The 1FZ uses the H150, 151 tranny.

Unclear information:
The land cruiser R15X is (?) the same as the non LC R15X. Marlin might know such things (maybe A.N., but not to be asked here).

How much physical difference is there between a R and H series tranny.

If a R series can survive behind a 1FZ

If there is a clutch that will mate a 1FZ w/ R series

And I highly doubt there is ANY Toyota truck (of Hino) in US that uses a 14 spline center.

Art,

As far as I know, he never kept the IFS. I asked him about it last week. He said his friend opted for the solid axle. I believe he said it was just as well, too. I don't think he had much luck getting it to fit.

Rick D, I'm not sure I follow your point. That's a lot of model numbers and stuff. I couldn't really figure out what you were getting at....

Ozrunner, you wouldn't happen to know how I might get an NP242 or an NP203 behind an R150/R151/R154 or W56 tranny, would ya? Can you think of any way I might be able to get some Full-Time 4wd action over here in the states short of importing an Oz Landcruiser drivetrain?

Thanks.

Art,

I forgot to mention: I'm working on contacting advance adapters. I sent them an email. I didn't see anything on their website that indicated they made an adapter to put anything but toyota transfer cases on toyota trannies. They have a few adapters to put toyota transfer cases on domestic trannies, but I didn't see anything up my alley. I hope I missed something.

Matthias-

Basically, you will not find a 1FZ tranny in any form in the US.

You could try putting a R15X tranny behind one, but you will be making:
a bellhousing, a clutch, not finding a transfer case,
and you don't know if it will hold up.

You want a late model LC tranny in the US,

Call MARV and have deep pockets........................

in the US, go chevy if you want to blow your tires off
or buy this:

http://cgi.ebay.com/ebaymotors/aw-cgi/ebayISAPI.dll?ViewItem&item=602114056&r=0&t=0

Originally posted by Trevarthan
Art,

I forgot to mention: I'm working on contacting advance adapters. I sent them an email. I didn't see anything on their website that indicated they made an adapter to put anything but toyota transfer cases on toyota trannies. They have a few adapters to put toyota transfer cases on domestic trannies, but I didn't see anything up my alley. I hope I missed something.

Nope, you didnt miss anything. :rolleyes:
I realised that after I posted fer you to check them.......I figger'd you'ld figure it out once you checked it out yerself.....

I have two things (well, actually 3) holding me up from getting started on a 7M swap.....

1) No donor cars locally (especially NON-turbo)
2) I have an R151 turbo trans I want to use, so i need a custom bellhousing made
3) Lack of funds! :(

Originally posted by rick d
Facts I'm sure of:
The Canadian mine trucks (HZJ79's) use the R151 tranny.
No Cast iron (ala H55) has ever been placed behind a Toyota 6 cylinder 12 or 24 valve turbo diesel or 1FZ engine from the factory.

HZ's use a 21 spline input shaft for the clutch and the flywheel diameter is 275mm


I have an H55F that came from an HZJ7X mine truck. It has a 20-something spline input shaft. I also have heard of people getting H55Fs from HZ equipped trucks in the Middle-East.

Shameless plug: It's for sale!

Yeah. The thing that bothers me most about the 7m swap is that you'd better plan on buying a low mileage import engine in addition to the engine you get from your doner car. Not many people know how to keep these cars from getting BHGs all the time. And it's unlikely that anything in my price range (under $1000) would have been maintained correctly. So most likely the engine is toast.

Don't be afraid of the turbos. Do some research. They're not much more complicated than NA engines. They're much more flexible, and they can be made to make upwards of 300hp with VERY little modification. I think all you need is like a large exhaust, an intercooler, and a boost controller. Just turn up the boost.

I want one of those "dual rate" boost controllers so I can hit a button in the cabin and go from stock boost to drag-boost in a pinch. I think I'll have to build an internal cage to stiffen my truck's frame under that much HP. :)

And of coarse, my front diff. Lately I've been wondering if it will even hold together against 230hp. If not, I'll have to swap it to a Ford 9" front diff, and get an IFS suspension lift. I HATE IFS suspension lifts. :)

Originally posted by Trevarthan
Art,

Ozrunner, you wouldn't happen to know how I might get an NP242 or an NP203 behind an R150/R151/R154 or W56 tranny, would ya? Can you think of any way I might be able to get some Full-Time 4wd action over here in the states short of importing an Oz Landcruiser drivetrain?

Thanks.

Not off the top of my head, LOL but I take the view that nothings impossible.

This is a wild guess but it may be worth looking into and I can't as we don't really have enough of them in wreckers yards to check out.

I understand J**ps use NP transfers and some have the NP242 and 203. Now I am aware that the J**p also uses an trans called an AX15, which is virtually a copy of a Toy R150. Therefore according to a pic I have seen of the rear of the AX15 bell it is exactly the same as a Toy R150.

This surely would mean that its likely the ass section of the AX15 is also the same as a R150. If so problem solved as a AX15 trans adapter and NP transfer could be bolted to a R150/151. Maybe with a bit more research you could make it easier and use the AX15 and NP as its bell mating pattern means it will bolt to a Toy R150 bell, but you would have to check input shaft length and maybe a few other doo dads etc.

Either way a bit of further checking might be worthwhile and where theres a will theres a way and nothings impossible, LOL.

Theres heaps of AWD 5 speed transfers here and real easy to ship one but other than that I don't know whats available elsewhere.
---------------------
DougM, No problems I was referring to the post indicating nowhere in the World was there a AWD 80 series with 5 speed. Thats exactly what all our GXL 5 speed cruisers are.

Matthias, one option not mentioned here is the '00 - current 4Runners with the full-time 4WD. They have the 3.4L V6 (could be over 200hp normally aspirated w/ headers exhaust and a few minor mods; 260+ hp w/ the SC). These trucks are all AT - A340F? - and they have a transfer case with a viscous center diff for 2WD, full-time 4WD, locked center diff in 4Hi and 4Lo. This combo will definitely fit a mini as well. Anyway, it's just something else to think about, and the parts are all US-spec and available at any dealer or junkyard.

Yeah. I need to see if that t-case(multi-mode I think they call it) is adaptable to a manual tranny. I've heard that it isn't, but I might as well take a look. Thanks.

Originally posted by Trevarthan
Yeah. The thing that bothers me most about the 7m swap is that you'd better plan on buying a low mileage import engine in addition to the engine you get from your doner car. Not many people know how to keep these cars from getting BHGs all the time. And it's unlikely that anything in my price range (under $1000) would have been maintained correctly. So most likely the engine is toast.



To prevent the infamous BHG, you need to get studs for the head, and a metal head gasket. I beleive ARP makes a stud kit and there are a lot of MHG manufacturers, even TRD makes one that I've heard good things about.

The 7MGTE is an awesome engine. I love the one in my Supra, 125k miles and no BHG, knock on wood.

Good point Little Joe.

If you wanted to use a 3.4 from the current 4Runner but wanted a 5 speed manaul with AWD then no problems our Prado comes with that.

Its basically the current 4Runner running gear but with a 5 speed which is the R151. It uses a planetary gear setup for AWD.

Well isn't that interesting! The r151, that's a turbo truck tranny, right? Is there any way you guys could get a part number for the AWD t-case? I'd like to make sure it's the same case on the 4 runner.

Could someone over there possibly ask the dealership if the t-case bolts right up, or if it uses an adapter of some sort? And ask if that r151 is the exact same tranny the turbos use? It would be really neat to just buy a part and bolt it up to a junkyard R151 around here.

Hmmm, let me say what I know. The 80 series 5 speeds are:
1. H150F in the HZJ80
2. H151F in the FZJ80 and HDJ80
I'm not sure if the H55f was ever offered in the FJ80. Not in the FZJ80 or the HZJ/HDJ80 models.

The transfer cases are:
1. HF1A part time case
2. HF2A full time case
3. HF2AV fulltime with viscous coupling
I think the full time 4WD non-ABS models got the HF2A and the ABS models got the HF2AV.

This picture shows a close up of an H150F with an HF1A case:
<IMG SRC="http://dtay.freeservers.com/images/h151f.jpg">

The Toy Turbo tranny, the R151F, is a different animal altogether. The case is smaller than the H15xF trans and I doubt it very much if there is a bellhousing to bolt it to the 1FZ-FE. This is a pic of an R151F bolted to an RF1A transfer:
<IMG SRC="http://dtay.freeservers.com/images/r151f.jpg">

The V6 tranny, the R150F, is very similar to the Toy Turbo R151F, but has different gear ratios. This picture is stolen off Marlin site: <IMG SRC="http://www.marlincrawler.com/tacoma/r150f_trans_01m.jpg">

So, it might be hard to find the bellhousing to mate the 1FZ engine to an R150F trans. I doubt if there is an off the shelf item :(

Dave

That's ok by me. If the R151 comes with an AWD t-case in the Prado then I'll mate it to a 3.0L 7mgte like Andrew Hulse did(hybrid bellhousing). Or better yet, if the AWD t-case will mate up to an R150F, I'll use the stock 7mgte bellhousing.

Originally posted by Trevarthan
That's ok by me. If the R151 comes with an AWD t-case in the Prado then I'll mate it to a 3.0L 7mgte like Andrew Hulse did(hybrid bellhousing). Or better yet, if the AWD t-case will mate up to an R150F, I'll use the stock 7mgte bellhousing.

Allright, so what makes you think you can mate a R150F to the 7M with the stock 7M bellhousing?

I ask, because I know the R154 (Supra) tranny has a longer input shaft than the R151 (turbo) tranny. Supposedly the two input shafts are not interchangeable, thus requiring a modified bellhousing.

So, is the R150F shaft the same length as the R154 shaft, or the R151? And is it interchangeable with the R151 shaft?
I know if the shafts did swap, you'ld also have to swap 1st gears.....Right??

Oops I also goofed in my first post as the 80 series IS a H150F not an R155F as I indicated.

-------------------------
Cracker.

Yes you are correct the input shafts are different lengths but he did say he will look at using a modified bell as this has been done by welding 2 together etc.
--------------------------
Trevarthan

QUOTE Yes, I have read up on the 7m swap. It's exactly what I want. However, there are two major problems:

1.) I'd loose my front diff unless I go solid axle, which wouldn't suit this truck.

2.) Like you said, even if I could get a front diff under there, I'd only have part-time 4wd. QUOTE

Mate, I have been trying to work out what you actually want, LOL.

For instance, you have a 94 Toy and in the quote above you mention if you went solid axle you basically would only have part time 4WD. Thats all you have now!!!. Obviously your truck has ADD which is not AWD, as only when driving in snow, wet or dirt etc can you engage ADD. Or are you actually wanting full AWD and if so I guess if thats the case the obvious question is why?

AWD means it can be driven on the tar with both axles engaged as any need for slippage is done via a planetary center diff or viscous coupling. Using a full time transfer means you will still need a planetary diff like the later 4Runners or the Prado etc.

You also mention a live axle wouldn't suit your truck which I take it as meaning you want to keep the IFS with ADD so why now look at an AWD transfer. Otherwise I guess you consider you may have to use a live axle to do your engine swap but at the same time you want to retain the benefits of an ADD type system, hence the queries concerning AWD transfers.

Are we on the right track or maybe you could clarify what your actually aiming for and we can take it from there, LOL.

Seems a lot of work and money just to have ADD features when you can swap in a good engine, eg Vortech V6 or V8 with a Toy V6 R150/R151 trans and leave it ADD. Shoot I fitted a HO into my IFS ADD 4Runner and recently swapped it from an auto to a 5 speed using the R154. Also I believe Rob has also just finished a Supra Turbo swap into an IFS so it can be done so why bother looking at an AWD transfer. Fit another engine, upgrade to a R150/151 trans and leave the rest.

Actually just to make it more confusing for you if you went for a live axle all you really need to retain what you have now, ie engage 4WD in the cab etc, is a set of Toyota electric hubs. My buddy uses these on his live axle 4Runner but they are now hard to find, LOL.

The R151 turbo is the same trans as used in the Prado although it has a few additions for extra reliability. I'll check under a Prado and get you some pics.

No. I do NOT have ADD. I do NOT want ADD. I want Full-Time 4wd, which is actually a bit different from AWD(stronger with off-road center diff lockup).

You quoted my comments about the 7m swap. I mentioned I would loose my front diff, and that was one of my misgivings about the 7m swap. Yes, this is true. I WOULD loose the front diff, but only temporarilly. I can think of about three dozen different ways to shove it back in there, but they aren't real simple or easy.

So yes, I'd loose it, and no, it wouldn't be permanent. I'd just have some extra work to do. Maybe I should have said that before.

Why do I want Full-Time 4wd? Because it can give better traction on the road. That's the only reason. Please spare me the lectures about traction bars and the many other ways I can get traction on pavement. I've heard it all, and I still want Full-Time 4wd. If I have to shove an H151 tranny under my truck to get Full-Time 4wd, it won't really be worth it. But if I can just buy a transfer case and have an adapter made for a reasonable price, I'll do it.

Does this help? Maybe if I describe the truck I'm building you'll all get the picture a little better.

It's a toyota pickup 4wd regular cab 4cyl. I'm going to put a larger engine in. I change my mind OFTEN about which engine I want to put in. My most favorite option is the supra 7mgte. It offers 230 HP stock, and will easily go to 400HP without any fuel system upgrades. I'll be putting a v6 rear third member in, with 4.88 gears and a detroit locker. I plan to eventually run 33s on road, and 35s off. I'm going to buy some IFS long travel arms from ATS. And I'm going to do my best to keep my front diff. Eventually my truck will have a full internal engine/cab/bed cage for chasis stiffening.

This isn't a drag truck, but with 400HP, I might go the the drag strip a few times and see if I can beat anyone.

This isn't a rock crawler! If it was, I'd go solid axle.

It's closest to an off-road race truck. Why do I want Full-Time 4wd? Just BECAUSE! Can we leave it at that? Thanks.

Originally posted by Cracker


Allright, so what makes you think you can mate a R150F to the 7M with the stock 7M bellhousing?

I don't think the R151F is the same tranny as the R150F. I could be wrong about that, but Robert Jackson(www.yotapower.com) says the R150 will bolt right up, whereas the R151 won't(without a hybrid bellhousing).

I ask, because I know the R154 (Supra) tranny has a longer input shaft than the R151 (turbo) tranny. Supposedly the two input shafts are not interchangeable, thus requiring a modified bellhousing.

So, is the R150F shaft the same length as the R154 shaft, or the R151? And is it interchangeable with the R151 shaft?
I know if the shafts did swap, you'ld also have to swap 1st gears.....Right??

Again, I think the R150 will bolt right up. I'm not sure if anyone has done it before, but Robert Jackson had a v6, and thus an r150 tranny, before he did the swap. I assume he tried it before he stated that it would work. If not(after all, assumption frequently gets people in trouble), I can always make a hybrid bellhousing. No big deal.

Hey, I just found the milemarker viscous coupling unit: http://www.milemarker.com/4-x-2-accessories.html

This thing will do everything I need a full-time transfer case to do, with less hassle, less cost, and most likely more strength. And if I ever need my part-time 4wd back, I can just remove 8 bolts, install a spacer, and go!

Now all I need to do is find/make an adapter to fit one of these units to my drive flanges.

What do you guys think? Pretty cool, eh?

Matthias

Matthias

OK thats cool.

The R150 will not bolt up to 7MGTE. Both the R150 and R151 are the same trans except for different gear ratios and they have the same length input shaft. The R154 used with the Supra turbo is also the same trans with differnt gear ratios but it has a 30mm longer input shaft.

I went through this with Robert back in Jan 01 and he ended up fabbing a bellhousing by cutting a Supra and V6 bell in half and taking out 30mm and welding them together so a R150/151 would bolt up.

Yeah, I read that he discussed it with you on his web site. He wasn't real clear that the R150 wouldn't mate up though. He made it sound(at least to me) like the R151 wouldn't mate up, but the R150 would. That kinda stinks. Is the R154 the EXACT same housing? In other words, could you attach a transfer case to the rear if you changed the output shaft?

And why couldn't he change the input shaft on the R151? He never really explained the "why" of that.

Oh yeah, BTW: How did you go about getting a custom bellhousing made for the Ford 5.0HO to R154 tranny? How much does something like that cost? Thanks.

Matthias,
Since youre looking at all these Aussie motors/trannies,
Here's a place to check out for the bellhousing.
I was thinking of contacting them to see how much it would cost to make a custom bellhousing for the 7M/R151 if i couldnt find anyone similar in the States to do it......

http://www.rodshop.com.au/bellhousings.htm

Check out the incredible list of custom bells they already offer!
If you do contact them about a 7m/R151 bell, let me know, as I mighth be very interested in buying one. If we get a group buy, it might help cut costs.

I think the 1st gear gear is an integral part of the input shaft on all the R series trans. I guess that means you would have to swap countershafts or other gears or some such along with the input shaft. I guess its more trouble & cost than its worth.

The tailhousing/tcase swap onto an R154 might be plausible.
You end up with higher gears, though... :(

JD:
Thanx for clearing up the R150/R151 input shaft thing. Thats the impression i was given in other threads I've read. :)

I told Bud to check out this thread, since he shared an idea he had a while back about making a hydraulic crawler gear/coupling with me.
He says you're all NUTS! :eek:
ESPECIALLY YOU, JD! :D

Originally posted by Trevarthan
Is the R154 the EXACT same housing? In other words, could you attach a transfer case to the rear if you changed the output shaft?

And why couldn't he change the input shaft on the R151? He never really explained the "why" of that.

Yes the R154 is identical to the R150/151 other than different gear ratios and it uses a longer input shaft. The shorter rear shaft can be swapped in but not the input shaft as it contains a cluster gear that will not match.

The R154 has a high first gear 3.25 so it would need to be compensated for by using say 4.8's or higher depending on your intended use. But it also has a 25% overdrive which assists for cruising. This can be inceased to 37% with gears from a R452 trans if you can locate one. I have these overdrive gears in mine and running 4.5's with 32's gives me 70mph @ 2100rpm or 105mph @3000rpm, LOL.

http://home.access1.com.au/~ozrunner/graphics/Cruising.jpg

Not long after I came across these guys and luckily I wasn't doing 3000rpm, or I would have been scraping emu of the 4runner for the next week, LOL.

http://home.access1.com.au/~ozrunner/graphics/Emus.jpg

My only concern with using the stock Supra/R154 setup is it uses a wierd pressure plate and also slave cylinder setup. The V6 R150 is much simpler and much easier to get a new pressure plate etc. Mine was no problem as I used a Ford 10" pressure plate with a Toy 10" diesel clutch plate.

I had the bell custom made in OZ and also an additional one for a guy in the US. They cost around $US250. I got mine to fit the longer R154 input shaft and the other guys was to fit the shorter R150.

Is it just me, or is that pretty dang cheap for custom work? Wow.

Well, I'll probably just keep my W56 for a while. I know a guy that ran a 500hp 22ret motor for half a season at the drag races doing 5500 RPM drops without it breaking. I figure it aught to hold up a few years. Then I'll probably have a custom bellhousing made (if no one hasn't already) for the R150.

BTW, what's the redline on a Ford 5.0 HO?

Also, I'm still interested in getting a part number or something from that AWD Prado t-case. I may not use it, but I always like to have all the information I can. So if anyone is up for it, I'd appreciate it.

Woah!! dam thought I died and came back at the LCML:D

I thought it was all about ripping those Wimpy Toyota parts out:flipoff2: :D

Wimpy land cruiser parts, you mean? :p

[QUOTE]Originally posted by Trevarthan
[B]Hey, I just found the milemarker viscous coupling unit: http://www.milemarker.com/4-x-2-accessories.html


That was the first thing I told you over on the 22RTE list. :flipoff2:

Brian

I wanted to see if I could get an AWD t-case, and I must have not read your post very well. Sorry. You don't happen to know of any toyotas with a milemarker visco unit installed, do you?

Matthias

The Oz part number for the AWD 5 speed transfer used in a 2002 Prado is 36110 - 6D041 and for information the new cost is approx $US2100. There is another listed for units with ABS.

Cool. Thanks. I'll go check with the dealer and see if it's used in anything over here.

Matthias

Matthias-

36110 - 6D041 not a valid part number. We can order offline if you are willing to wait.

rick

I take it you're affiliated with a US dealership?

Matthias

Hey Matthias,

This is from our friend Ed Wong. He just posted this to the YTML today, and thought you might be interested :)

"The following is based on memory of an article written
on the Milenmarker unit in Four Wheeler (I think) back
in the early 1990's as well as my understanding of
diff technologies and visco couplings.

Its my understanding that the Milemarker unit
functions as follows.
It will transmit torque up to a factory set amount
(say for example 400 ft lbs).
If torque is input HIGHER than that amount (yer stuck
and using the go pedal to get out) then ONLY 400 ft
lbs will be transmitted (in our example to the front
axle).
The axles w/o the unit is not affected.

After some time of "slipping" off the excess torque,
the unit will enter a second phase of operation. It
will "semi lock" and transmit torque at a second
higher level.I have no idea what the second level is
and if it can be "set" at the factory. For discussion
purposes lets say its DOUBLE the first level.

The unit has advantages over solid driveshafts.

It could be used to prevent birfield breakages. Yeah -
you'd be stuck - but at least yer stuck w/o a broken
birfield. You woulda had to get a pull anyway.

IMHO - unless yer in a competition - Id as soon leave
the unit in place all the time. Ya might get stuck -
but you'd also stop breaking as many parts.

With respect to the diff idea - they already make such
units. I dunno what cars had em - I think Rally
homologated cars in the early/mid 1990s had em.

But the latest in rally car technology has gone BEYOND
the visco idea.

The latest is to get a "disk" pack diff with a big
difference. The disk pack preload is adjustable from
outside the diff via a worm drive motor (aka
electrically). Thus the driver can add or subtrack
lock (including what is essentially a full lock) as
they desire - on the fly.

Still - a working Weismann IMHO is the ideal world.
(its normally locked - in BOTH directions (aka accel
and braking). If it needs to differentiate (as in
going around a corner) it acts like a Torsen - it
delivers the MAX torque possible to each wheel. If a
wheel drops off the track (or is in the air in our
case) it LOCKS fully - ala Detroit Locker.

EWong"

Dude... this email from Ed is HAUNTING me! It follows me every where I go! First he posts it to 22rte-trucks, then ORC's mailing list, and now here! LOL. Next I'll see it on the supra mailing lists. Thanks man. It's great info.

Heheheh.... :D

Sorry! I was wondering if he had posted it to any other lists/BBS's....

Oh well....:rolleyes:

I just got an email from milemarker. Apparently they just discontinued the Selective Drive. SUCK. Anyone else know someone who makes viscous couplers?

Matthias

Someone must have some of those units in stock. Make some calls.

Brian

Howdy.

I just got word from a fellow on the ORC mailing list, Jeff Tamulis, that milemarker will make us a custom Selective Drive unit for toyota pickups and 4runners if we order 25. You can email him at jtamulis@hotmail.com. Please CC an email to me as well. I want to see how many people we have. If anyone has any questions, feel free to email me (trevarthan@yahoo.com) or Jeff. Thanks.

Matthias