anyone swap over a Jeep AW4 transmission into their toyota? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 10-02-2008, 07:08 PM   #1 (permalink)
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anyone swap over a Jeep AW4 transmission into their toyota?

I heard that you can bolt any 4cly toyota bellhousing to a Jeep AW4 auto trans then use a dana 300 behind it for twin stick and for lower gear ratio. Really thinking on doing this swap as i get the trans for real cheap and I have a G58 trans now which would i'd have to do a tranny swap anyways to run toyota duals if i wanted lower gears in the t-case or duals.

Plus there is a guy that makes up 203 to 300 adapters that lives close by for cheap duals.

Just looking for some input.
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Old 10-02-2008, 07:16 PM   #2 (permalink)
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JEEP. Junk Each an Every Part. They dont mix.
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Old 10-02-2008, 07:27 PM   #3 (permalink)
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JEEP. Junk Each an Every Part. They dont mix.
With BrettM's AW4 controller it should be a decent setup. Not sure about the flexplate/torque converter patterns though.
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Old 10-02-2008, 07:43 PM   #4 (permalink)
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JEEP. Junk Each an Every Part. They dont mix.


The AW4 is made by Aisin and is the same trans used in the toyotas (with slight variants, TC, ratios, VB, output etc...) The AW4 is is the same platform as the a340h, a340f, a343.....

Its a fine trans and is not made by Jeep
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Old 10-02-2008, 07:54 PM   #5 (permalink)
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Very true. yes they are both asin, yes many years jeep use asin transmissions. But why would you want to use one? whats so wrong with a G52 or W56 and stock transfers or even duals and if that not enought 4.7 kit.? I know its just my $.02 but i havent liked the auto's
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Old 10-02-2008, 08:05 PM   #6 (permalink)
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Very true. yes they are both asin, yes many years jeep use asin transmissions. But why would you want to use one? whats so wrong with a G52 or W56 and stock transfers or even duals and if that not enought 4.7 kit.? I know its just my $.02 but i havent liked the auto's
Specifically because a dana300 (great t-case!!!!) will bolt right up to it.

Generally? Auto vs Manual? That has been beat into the dirt, and lets not sink this thread with that unwinnable arguement































because Autos are better off road
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Old 10-02-2008, 08:07 PM   #7 (permalink)
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OK ill agree not to hijack this thread. good ol america lets us have our own opinions. like you like auto's and i belive in manuals.
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Old 10-02-2008, 08:11 PM   #8 (permalink)
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i belive in manuals.
nobodies perfect
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Old 10-02-2008, 08:18 PM   #9 (permalink)
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because Autos are better off road
[quote] nobodies perfect [quote]Ill agree!
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Old 10-03-2008, 03:34 AM   #10 (permalink)
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Well the only reason i want to do the swap is of course the fact i can use the Dana 300, and go duals alittle cheaper with a lower gear ratio then if i stayed with toyota.

I'd rather keep the manual trans for sure as it's my daily driver and autos suck for that. Having to swap in a w56 ($150) dual adapter ($350ish or more) when i can get the AW4 for about same price I guess ($150) then a 300 ($100) i think i can mate a 203 ($60ish) to make a doubler, prbly cost me 50 bucks for the machine work that.

That's $400 plus for the toy dual setup and $360 for the Jeep set up....oh plus i have to buy two flanges for the T-case so i guess its around the same price but i'd have lower gear ratio plus twin stick....it's a tough choice and i'd like to hear from someone who's running and see if it's as good as it sounds.
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Old 10-03-2008, 04:22 AM   #11 (permalink)
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don't forget the D300 gets you front dig!

I want to say someone did this, but it was a bit of work.
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Old 10-03-2008, 06:19 AM   #12 (permalink)
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i dont know jack about shit but dont the 300s have higher gears then toy cases...that combined with the auto would make your rig pretty guttless wouldnt it?
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Old 10-03-2008, 07:21 AM   #13 (permalink)
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Dana 300 is 2.62 low.

Give Marlin a call. He's been building Jeep trans set up for Toy cases so I'd guess he would have some info for ya or at least know where to look.
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Old 10-03-2008, 07:38 AM   #14 (permalink)
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i dont know jack about shit but dont the 300s have higher gears then toy cases...that combined with the auto would make your rig pretty guttless wouldnt it?
Other way around. When using an auto you dont need as low gears due to the reduction of the TC. Ive got duals (2.26:1/5:1) behind my a340f and I can barely justify low low.
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Old 10-03-2008, 12:10 PM   #15 (permalink)
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I heard that you can bolt any 4cly toyota bellhousing to a Jeep AW4 auto trans then use a dana 300 behind it for twin stick and for lower gear ratio. Really thinking on doing this swap as i get the trans for real cheap and I have a G58 trans now which would i'd have to do a tranny swap anyways to run toyota duals if i wanted lower gears in the t-case or duals.

Plus there is a guy that makes up 203 to 300 adapters that lives close by for cheap duals.

Just looking for some input.
Not sure about bolting any 4 cycle housing, but with certain ones you can, from what I read. There is rumour out there that this will work but I have found it hard to find someone who has actually done it. Lots of Theorizing but little on success. I was looking at doing the same thing behind my 3.0 but think a whole driveline swap may be easier in my case.
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Old 10-03-2008, 12:54 PM   #16 (permalink)
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Isn't the AX15 pretty similar to the W56? Why not bolt your 4cyl Toy bellhousing to an AX-15, grab that D300, skip the auto wiring and power loss, and still have front digs?

assuming you can get an AX-15 as cheaply as that AW4...


I like your idea, and the D300 is a badass t-case--and totally appropriate under a rig the weight of a Toyota--but I'd recommend 5-speed instead of auto.

I had the A340H and never really liked the auto for wheelin'.

I think if you had a sb350 and horsepower to spare, and wanted a little more control of that bigger motor, then an auto would make sense. With my anemic 22RET (with no turbo), the auto really held me back, and I get more control and more power to the wheels with the 5-speed and duals.
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Old 10-03-2008, 02:11 PM   #17 (permalink)
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hmm not sure if the ax-15 will work or not, but there is one for sale in my area but the guy wants 300 for it. OTT makes an adapter to bolt the 300 to a toy reduction box but it's $550!! If it wasn't for that i'd go that route for sure.

I'm hoping someone will post up with some more info or actually done the swap, and it would like to hear expirances with going from an 5sp to an auto with the 22-re and how much drivablity they lost/gained.
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Old 10-03-2008, 02:46 PM   #18 (permalink)
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The only thing I can comment on is the manual vs auto part. I have wheeled both, and driven both on the streets. I much prefer the auto. On the street, it's just nicer. Right now I have stock gearing with a new engine and a engnbldr performance head. It gets up and goes, the OD is worthless right now, but once I gear, it'll be fine. On the trails, life is easier, I have more control and don't have to worry about stalling. I would like to get the adapter and run duals, even just a single case. The biggest reason for that isn't so much the lo gear 'weakness' (as some would say) but more so the fact that I have knocked the shifter into high gear with my leg on some obstacles...

I think a single geared case would be fine but limit the higher speed bouts between obstacles. Duals are always the best option (even with both having stock 2.28:1 ratios) but cost more because of the 2 adapters needed.


The auto isn't near as bad as everyone implies on the roads. In my opinion, of course.


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Old 10-03-2008, 06:38 PM   #19 (permalink)
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Isn't the AX15 pretty similar to the W56?
an AX15 is the same as a toyota r150f v6 trany. you can use an ax15 tail housing, center section and gears with the front housing, input shaft from a r150f and the bellhousing from a r151 to bolt it to a 22RE. don't use a peice of shit auto.
and put a d300 with the tara low 4:1's in it behind it.

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Old 10-04-2008, 07:40 AM   #20 (permalink)
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wow all that switching from trannys would cost me alot and defeat the purpose. Oh and i found a guy with a few AW4's for sale and he's asking 100 bucks so i'm sure i'll offer him 75 and take it away.

Might be worth while to have a better look at it i guess, not even sure if it's electric like the Toy auto cause that would be kinda shiity.
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Old 10-04-2008, 08:21 AM   #21 (permalink)
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my personal experience is keep the manual. if you want the 300 so bad. call AA and get their toy crawler box adapter. it is the same principle as the OTT but cast and cheaper. ive beat the hell out of mine and so far so good. it really makes a IFS toy look godlike amongst the geepers.
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Old 10-04-2008, 08:29 AM   #22 (permalink)
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i had all the parts together to do it, but i traded the Aw4 and d300 for a built toyota drive train... i still might go through with it some day.
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Old 10-06-2008, 04:56 PM   #23 (permalink)
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my personal experience is keep the manual. if you want the 300 so bad. call AA and get their toy crawler box adapter. it is the same principle as the OTT but cast and cheaper. ive beat the hell out of mine and so far so good. it really makes a IFS toy look godlike amongst the geepers.
Can't find that adapter on the AA website...do you have a direct link?
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Old 10-27-2008, 08:18 PM   #24 (permalink)
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I've done this twice behind different motors. AW4 / Klune / D300 using an Isuzu bellhousing to an Isuzu 2.6. Then, did a motor swap and used a different Isuzu bellhousing to bolt to a 3800 SC motor.

The only real issue is getting the flexplate / torque converter interface to work. For the 2.6, I used the stock bell, flexplate and converter that Isuzu used with the A340H and used 1/4" (IIRC) spacers on the converter lugs to get the depth right in the AW4.

For the 3800, I used the stock 3800 flexplate re-drilled to match the 3 lugs of the AW4 converter. Then used 3/16" spacers as well to get the depth right.

This is pretty much what you'll be facing. Use one of the Toy bellhousings and maybe converters. It's easier if the toy bell/converter will work as you don't have to re-drill and you can use spacers on the lugs to move the converter back as needed.

If the converter needs to come forward, then you're looking at either spacing the bellhousing off the engine, shaving the converter lugs down or finding a different converter to use.

Worst case is to have a custom converter or maybe flexplate made...

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Old 03-09-2009, 08:40 PM   #25 (permalink)
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I happen to have an R150/AX15 combo tranny. It was behind a 3.0L V6 with a NP231/D300 doubler. I currently have a 22RTE bellhousing with it as well so I could put it behind a TDI engine, but it would bolt behind any 22R, 22RE or 22RTE now as well. Pretty slick set up, probably not going to run it now as I sold the TDI engine and don't really do yotas.

Looking into putting a 3800/AW4 combo together though, thanks for the tips!
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