350 in a yj - JeepForum.com

 
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post #1 of 14 Old 10-09-2013, 12:05 PM Thread Starter
Gatzby
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2000 WJ 
 
Join Date: Jun 2012
Location: Johnson City
Posts: 457
350 in a yj

What will I need to completely a 350 transfer into a 95 yj? The 350 is from a 77 vette, the Jeep is a 2.5, will I need the transmission of the 350 or can I keep the stock 5spd?(it's been regeared to 4:88) are there different motor mounts I'll need?

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post #2 of 14 Old 10-12-2013, 09:11 PM
lar308
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1990 YJ Wrangler 
 
Join Date: Oct 2011
Posts: 319
You'll need the engine, transmission(ax5 won't hold up), adapter trans to xfer. New motor mounts and radiator, This is just to start with, Ron
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post #3 of 14 Old 10-12-2013, 11:34 PM
uberxj92
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1992 XJ Cherokee 
 
Join Date: Oct 2012
Location: umatilla
Posts: 1,961
Transfer case, drive shafts, beefier springs and shocks especially up front.
V8's arggg heavy anchors. But man nothing feels or sounds like American cast iron.

http://www.jeepforum.com/forum/f177/92-xj-sadness-2075657/index2.html
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post #4 of 14 Old 10-14-2013, 09:00 PM
BlueRubiconrich
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1986 CJ7 
 
Join Date: Oct 2009
Location: worcester
Posts: 2,264
you will need a new rear axle. The Dana 35 will blow up.

Rubicon Rich ,05 TJ Rubicon: PatriotJeepers.com
86 CJ7 258,T18,Scout Dana300,twin sticks,Dana44's,4W Disc, locked,35's,YORK OBA,Warn 8274,fullcage.
51 M100 1/4 ton Jeep trailer
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post #5 of 14 Old 10-14-2013, 09:10 PM
grnhornetcustom
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1971 CJ5 
 
Join Date: Jan 2013
Location: Montesano
Posts: 14
Check and make sure but the 4cyl NP231 has a different spline count then the 4.0L. Probably need the whole drive train, eng, trans-trans case, new drivelines, axles. Ever thought about selling and buying one with a V8 already installed? I have seen a few for probably less time and money. Just sayin. Don't let me get in the way I too built my rig the way I wanted it.
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post #6 of 14 Old 10-14-2013, 09:13 PM Thread Starter
Gatzby
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2000 WJ 
 
Join Date: Jun 2012
Location: Johnson City
Posts: 457
So I've already got a Ford 9" rear end and a spring over lift (front sits about 2-3 inches higher than back). So wouldn't I just need motor mounts and a new transfer case? Or would I also need a new transmission?
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post #7 of 14 Old 10-14-2013, 10:30 PM
linusb
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1994 YJ Wrangler 
 
Join Date: Aug 2009
Location: Lexington,SC
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You don't want to use the stock AX5 with a 350.

1994 YJ Wrangler, 4.0, AX15, NP231, 35x12.50x15 BFG KM2s, 4" RC lift, 1" lift Boom Shackles, 1" BL, 4.10 gears, 8.8 LSD in rear and D30 Aussie Locker in front, on-board air conversion, Ramsey RE8000 winch.
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post #8 of 14 Old 10-15-2013, 07:05 PM Thread Starter
Gatzby
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2000 WJ 
 
Join Date: Jun 2012
Location: Johnson City
Posts: 457
The 350 I was looking at was sold yesterday. I'm going to buy a 283 from a guy here though so same principles should apply right?
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post #9 of 14 Old 10-19-2013, 04:37 PM
lar308
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1990 YJ Wrangler 
 
Join Date: Oct 2011
Posts: 319
Same amount of work, less torque=less chance of breaking parts, but it does depend upon the loose nut behind the wheel. Ron
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post #10 of 14 Old 10-19-2013, 04:40 PM Thread Starter
Gatzby
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2000 WJ 
 
Join Date: Jun 2012
Location: Johnson City
Posts: 457
Quote:
Originally Posted by lar308 View Post
Same amount of work, less torque=less chance of breaking parts, but it does depend upon the loose nut behind the wheel. Ron
Very true
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post #11 of 14 Old 10-25-2013, 04:58 PM
lar308
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1990 YJ Wrangler 
 
Join Date: Oct 2011
Posts: 319
The ax-15 is rated at 300ftlb of torque, that would handle a stock small block. Just another option, Ron
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post #12 of 14 Old 11-01-2013, 02:35 PM
wrjr4
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Join Date: Nov 2013
Location: el paso
Posts: 15
Novack has motor mounts that will give some adjustment for the motor follow the instructions. I have heard the AX15 will work I used a 700r changed the output shaft to match the tc 231. The trans mount will move about 2 inches. I am using the same axels front and rear and the 35 and 30 have held up.I do put my foot into it its so much more fun now. I put in a 305 which i rebuilt.
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post #13 of 14 Old 11-02-2013, 08:07 PM
GTNMUDY
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1984 CJ7 
 
Join Date: Jan 2013
Location: MADISON
Posts: 310
When I did my 350 swap I had a T-176 and dana 300 Xfer.

After doing the swap, I kinda wished I would have used the GM automatic tranny.

The T-176 is the most clunky shifting tranny ever, but so far I only had to replace a shifter shaft.

Oh Ya, I got over 110K on the swap and tranny rebuild. No problems. You will enjoy the extra power, torque and noise.

Larry
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post #14 of 14 Old 12-19-2013, 11:02 PM
yj95dawg
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1995 YJ Wrangler 
 
Join Date: May 2010
Location: 24370
Posts: 93
Here's what I've put in my 95 YJ
5.0 SBC, SM465 4 speed, D300 with twin sticks
Stock suspension with 3" lift (for now)
Stock axles (for now)
New drive lines front & rear made special by Rye Valley Gear in Sugar Grove VA
So far so good
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