1989 V6: R150 to AX15 swap - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 01-10-2007, 09:44 AM   #1 (permalink)
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1989 V6: R150 to AX15 swap

For the last 6 months my truck has been driveable, I've only had 2wd. The original plan was to cut the front output off chain case to make it into a 2wd range box and then run it into the divorced NP205. Since then plans have changed. I've gotten ahold of an AX15, NP231, and a Dana 300 for cheap. I favored this route over purchasing the V6 to gear case adaptor, two gear driven cases, and the doubler adaptor.

The rig: 1989 extended cab, 3.0, 10 bolt front/chromos/mini spool/hi-steer, Dana 60 rear/discs, LSD. ARBs ready to be installed front and rear with 5.13 gears.



The orignial tcase setup: chain driven case into divorced NP205/clocked flat



The trannies: top is the yota R150 with bellhousing, bottom is 93 YJ AX15



R150 is about 2" longer



AX15 has 7.5" input shaft, R150 is 6.5"



R150: 21 spline 1.125", 0.4724" pilot



AX15: 10 spline 1.125", 0.75" pilot



Since both transmissions use the same bellhousing pattern, the AX15 will bolt up. However, since the input shaft is longer, a spacer is needed. To make up the inch, i have cut the face of 2 bellhousings off (0.5" each) and will weld them together. I'll have pictures of these later.

I have also found a clutch disc to use but I don't remember the application at the moment. I'll need to do some figuring for the pilot bearing/bushing.

More to come later.
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Old 01-10-2007, 10:51 AM   #2 (permalink)
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Holy crap Dude, you're taking the heart and soul out of a toy and replacing it with sheep parts

Motion to revoke his Toyota forum status ASAP
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Old 01-10-2007, 11:52 AM   #3 (permalink)
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I looked at this possiblility(but going the other way) for a buddy a while ago. Neat to see it actually get tried.

I'm suspecting you may have to use a bushing rather than a pilot bearing. You're not leaving a lot of room for ball bearings + races, and I don't think the recess is deep enough for needle bearings.
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Old 01-10-2007, 04:01 PM   #4 (permalink)
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Will the inputs interchange? Could save building a spacer.
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Old 01-10-2007, 04:09 PM   #5 (permalink)
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Quote:
Originally Posted by copeland View Post
Holy crap Dude, you're taking the heart and soul out of a toy and replacing it with sheep parts

Motion to revoke his Toyota forum status ASAP
IIRC the AX15 is actually made by
*drumroll please*

Aisin.

The same manufacturer that toyota uses.
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Last edited by CaverInaCruiser; 01-10-2007 at 04:10 PM.
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Old 01-10-2007, 04:12 PM   #6 (permalink)
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Toyota owns a large stake in Aisin.
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Old 01-10-2007, 04:59 PM   #7 (permalink)
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theres tons of awsome info on this type of shit....


http://www.jeeps-offroad.com/tech-ar...lhousings.html
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Old 01-10-2007, 10:29 PM   #8 (permalink)
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change output shaft, extension housing, and shift shaft
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Old 01-10-2007, 10:35 PM   #9 (permalink)
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That's what I said, but nooooo... Who knows if the rear housing parts are interchangeable, supposedly alot of the parts aren't because of the different range of years the trannies are from...

Leetle Heeps heart will go on living in a yota... I still say 3.8 it now with an AW-4 and call it good...

Or get the right trannies...

and buy the doubler...

But that's me. Sell your soul or something...
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Old 01-10-2007, 10:41 PM   #10 (permalink)
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How well did that divorced set up work. I am guessing not to well, because you're swapping it out. Can you give me some details and tell me why your yankin' it out?
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Old 01-10-2007, 10:58 PM   #11 (permalink)
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Quote:
Originally Posted by pitter View Post
theres tons of awsome info on this type of shit....


http://www.jeeps-offroad.com/tech-ar...lhousings.html
yup

here is some I saved from nov 04




http://www.jeeps-offroad.com/showthread.php?t=4740


Engine Swap Bellhousings
--------------------------------------------------------------------------------

The Jeep/Dodge AX15 5-speed, the Jeep NV3550 5-speed, the Toyota R150F & R151F, the 87-92 Toyota Supra Turbo R154, the Isuzu AR5 and the Chevy Colorado\ GMC Canyon MA5 5-speeds all share the same case to bellhousing bolt pattern. As such there are a number of possibilities that can be had when a 5-speed is desired:

Pic 1 #1. Novak Enterprises: Adapter plate for AX15 to GM 4-speed bellhousing. Connects all except NV3550 to same.

#2. 94-95 Dakota 2.5L bellhousing: Connects all to any K car based 2.2L-2.5L L4 in a RWD application.

#3. 96-00 Dakota 2.5L bellhousing: Connects all to any Jeep 2.5L L4. Because of it's GM 60 degree V6 inherited bolt pattern, also works with any Buick FWD V6 and supercharged V6, any Chevrolet 2.8/3.1/3.4 V6, any Cadillac 4.1/4.5/4.9 V8 and with a minor modification, any Olds Aurora DOHC V8 and Cadillac DOHC Northstar V8. Also bolts to any Isuzu 3.2\3.5 DOHC V6.

#4. 88-99 Jeep 4.0L L6 bellhousing: Connects all to any AMC 290/304/343/360/390/401 V8 and any 72 and later 232 L6 and 258 L6.

#5. 94-99 Dakota 3.9L V6 Bellhousing: Connects all to any 3.9L V6 and any 273/318/340/360 V8.

#6. 96-04 Toyota Tacoma 3.4L V6.

#7. 86.5-92 Toyota Supra Turbo 7M-GTE

Not shown:

01-03 Jeep Liberty 3.7L V6 bellhousing: Connects all to any 3.7L V6, 4.7L V8 and 5.7L Hemi V8.

Isuzu Trooper 3.5 V6 AR5 bellhousing: Connects all to any Isuzu 3.2\3.5 V6

04 Chevy Colorado\ GMC Canyon MA5 bellhousing: Connects all to any 2.8L L4, 3.5L L5 and 4.2L L6

Aftermarket:

Advance Adapters: Bellhousing for AX15 to Chevrolet-Buick-Olds-Pontiac V8 and Buick V6. Connects all except NV3550 to same.

Advance Adapters: Bellhousing for NV3550 to Chevrolet-Buick-Olds-Pontiac V8 and Buick V6.

Advance Adapters: Adapter plate for AX15 to Ford bellhousing. Connects all except NV3550 to same.

Advance Adapters: Adapter plate for NV3550 to Ford bellhousing.

Swift Machine: Adapter plate for NV3550 to GM 4-speed bellhousing.

Suzuki Only Supply: Adapter plate to bolt R series to Suzuki 1.3\1.6.

Further info: Jeep AX5, Toyota G52, G58, W55, W56, W57 and W58 5-speeds all share a common face pattern on the case. As such, any 88-99 Jeep 2.5L bellhousing (NOT Dakota) will bolt a Toyota W series transmission to a 60 degree GM bolt pattern.

Aftermarket: Advance Adapters makes a bellhousing to bolt a W series Toyota trans to a Chevy-Buick-Olds-Pontiac block.

Northwest Off Road: Bellhousing to bolt W series to Ford 5.0.

Suzuki Only Supply: Adapter plate to bolt W series to Suzuki 1.3\1.6.


NOTE: Input shafts lengths vary.

Pre 1995 R150\R151 = 6.5"
1995 up Toyota R series = 7.5"
AX15 = 7.875"
87-92 Turbo Supra R154 = 7.25"
AR5 = ?
MA5 = ?
NV3550 = 7.875"
AX5 = 7.5"
Toyota W series = 6.5"

Pic 2 Advance Adapters makes an extra long pilot bearing when using a shorter input shaft tranny with a bellhousing that had a longer one. Obviously you can't put the longer input trans into a bell that had a shorter one.

Pic 3 Front bearing covers are interchangeable between the Toyota R series, AX15, MA5 and AR5. NV3550, AX5 and W series are not interchangeable.

So... there's no shortage of parts for these gearboxes. Any good shop can rebuild them and they are still not that expensive.

GregOne of the offshoots of this is the ability to swap an AX5 behind a Jeep 2.5L with a heavier duty AX15 by using the 96-00 Dodge Dakota 2.5L bellhousing.One of the offshoots of this is the ability to swap an AX5 behind a Jeep 2.5L with a heavier duty AX15 by using the 96-00 Dodge Dakota 2.5L bellhousing.If your Jeep (or car) has a Ford pattern T5 and you'd like to swap in any engine with the GM 60 degree bolt pattern, then either the 94-95 S10 2.2L bellhousing or the mid-eighties Jeep 2.5L bell might be what you want (NOT the Iron Duke one). The one you use depends on which side the starter is on...It should be pointed out that the pre '96 R150F and R151F input shafts are far too short to be used in the AX15 bellhousings. (Even with the Advanced Adapters pilot bushing) The R154 input shaft is longer, and, with the proper spacing and AA bushing CAN be used in the AX15 bellhousings with no mods.

Some further information from Marlin "Crawler" Czajkowski on the Toyota R series and the AX15. It is possible to swap the longer AX15 input shaft into the pre '96 R150F/R151F.

This info does NOT apply to the NV3550.

"Parts are interchangeable between these trannys. Inputs, output shafts, front nose cone, and rear housing are different but generally can be interchanged if you stay with in the family.

There are three "R" families;

86-91 early, simple, common, heavy design

92-95 upgraded syncrows, hubs, shift rods and linkage, smaller bearings, lighter gears

96-newer greater helix angles, upgraded syncrows, lighter bolts, reverse brake

The Jeep 86-00' AX15 would use the same bearings, syncrows, and gears within the same family as the Toyota boxes. I am not sure of the Isuzu production years, but would also be the same.

Remember that only the 86-87' 4x4 R151F 22R Turbo got the 4.31 1st gear. 2x4 22R Turbos, got the 3.83 1st, along with all other 4x4 R transmissions --- Toyota 3.0, 3.4 V6, Jeeps, and Isuzu's.

The lowest geared R is the 5.15 1st gear found in the R452 imported trans which also uses the same bearings, and syncrows.

The Jeep AX15 has a 10 spline American style input with a 5/8" pilot. I am currently converting a Jeep AX5 to a Toyota t-case

I have never had to opportunity to upgrade an AX15. This can be done but only to a 86-91 AX15. The longer coarse spline input and Jeep nose cone will swap right in. The AX15 bellhousing will also bolt up to the front of the R151F since both front housings are the same!

I send both Toyota and Jeep shafts to my drive line shop and have them put together."

Marlin
http://www.marlincrawler.com/For those Jeep gents that have broken AX5's laying around, Don't ditch the bellhousing. It may be used in a Toyota application and can bolt up any GM 60 degree engine (3.4/3.1/2.8 Chevy V6, Buick 3800 V6, Isuzu 3.2/3.5 V6, etc....) to the Toyota G series and W series tranismissions.

Pic 1 is a Toyota W58 out of a Supra hooked up to an AX5 bellhousing.

Pic 2 shows the AX5 bell planted up to a Chevy Camaro 3.4L V6.

Pic 3 For this to work with the AX5 bell, you'd need the thick (heavy) flywheel from a Camaro/Firebird. It places the clutch disk back far enough to completely engage the splines on the short W/G series input shaft. That's got to be at least 1 3/4" from the back of the block to the front face of the flywheel. The S10 flywheel is shorter and won't work.

Pic 4 is a bellhousing also with the GM 60 degree pattern from the 96-00 Dodge Dakota 2.5L hooked up nicely to an R154 5-speed out 87-92 Toyota Turbo Supra.

The photo of the set up below was a method of getting a free beer from Randy Burleson at www.4x4wire.com. The Isuzu DOHC 3.2\3.5L V6 has a dual bolt pattern on the back of the block. The outside pattern is strictly Isuzu, however, the inside pattern is the GM 60 degree. I can only presume it's there to fit up GM automatic tranny's in Troopers. So.. to prove this beyond doubt to Randy, there we have it. That's a twin cam 3.5L Isuzu V6 bolted (for the most part) up to a T5 out of a 95 2.2L S10 Chevy pickup. The bellhousing has the Ford T5 pattern on the case side and the GM 60 degree pattern on the engine side. I'd have put more bolts in the holes but I couldn't find any more at the yard. And yes... it is sitting in the back seat of a Trooper. Don't ask how it got there..... I like Fosters Randy....

Greg
The 93 and earlier S10 2.8L V6 bellhousings can be used to bolt up GM pattern T5's and the SM420 to the 60 Degree bolt pattern. Some have starter pockets on both sides. Camaro 2.8/3.4L V6 and 3800 V6 bells have the tranny tilted at an angle (Ford and GM pattern) and may not be suitable for your application...




GregI can't leave this topic without mentioning the late 70's, early 80's Jeep 151 4 cylinder CJ bellhousing. Since this was the GM Iron Duke engine that Jeep used, the bell has the Cheverolet V8 bolt pattern on the engine side and the Ford T5 pattern on the other. (Originally used with the Jeep T4). So, if ever you're asked how to hook up a Chevy Small Block to a Mustang T5, this is how you start.

Also, the question was asked (on another board) if the AX15 could be hooked up to Toyota transfer cases for crawling. According to Marlin, that's a go..

"I have put a Marlin dual case behind a AX5 [G54/58 Toyota] Jeep trans by changing the output shaft and tailhousing from a Toyota doner trans.

This can also be done to a AX15 [R150 Toyota].

The Jeep auto should also work as long as the output shaft and rear housing is changed from a Toyota trans.

In the past years, I used to get a lot of calls from Jeep owners wanting to go slow like the Toy trucks. Since I was so busy, I directed the calls to Mepco and Klune V.

Marlin"

2000 TJ NV3550 will bolt up to a 4.2 with no bellhousing mods (it wasn't listed) and you dont' need any adaptors.
The NV3550 is a pretty robust gearbox. Much more capable than the AX15 that it replaces. It shares all of its mounting points with the AX15 but, as far as I'm aware, shares no parts with it. So, any application that has an AX15, can take an NV3550 with no problems. Although the front case bolt pattern is identical between all of them (Toyota R, AX15, MA5, AR5, NV3550), the NV3550 has a unique front bearing retainer and shape. It may not be capatable with some aftermarket adapter plates.
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Old 01-11-2007, 11:02 AM   #12 (permalink)
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what years are the trannys? change the input, done.

if the teeth on either input has 3 groves on it and to other doesent, will not work.

(if both have none you are fine. if both have them you are fine.)
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Old 09-08-2009, 03:48 PM   #13 (permalink)
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This Should be in the FAQs
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Old 09-09-2009, 06:22 AM   #14 (permalink)
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Old 09-09-2009, 06:57 AM   #15 (permalink)
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The link is in the FAQ's, the Guy that put all that info together, Greg55_99 is on this board.

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