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Unread 09-03-2010, 05:30 PM   #1
ChrisNukemYJ
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1991 YJ Wrangler 
 
Join Date: Aug 2010
Location: Tucson, AZ
Posts: 402
V8.. To Be Or Not To Be

Considering doing a V8 swap. What would be the "easyist" to do? Meaning I dont want to have to do a ton of cutting, fabing. Something i can do in my driveway pretty much...

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Unread 09-03-2010, 06:06 PM   #2
stevehoj
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1990 YJ Wrangler 
 
Join Date: Jan 2008
Location: Oregon
Posts: 273
I know I say the same thing each time....but an AMC v8 (stock 304 - 401 cid) bolts up to pre-AMC I6 combinations. The AX-15 is up to the task for a reasonable power combo.

Some normal accessories to consider but nothing very $$ or difficult. I would call it easy.

Think about it with the rest of the combo though; axles, shafts, joints, lift, tire diameter & weight, etc.....

Good luck.
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08 Tundra CrewMax TRD 5.7, 07 Jeep GC-SRT8, 01 Lightning (sold), 96 Impala SS (sold), 93 RX-7 Twin Turbo (sold), 90 Wrangler 413 cid (AMC 401 +0.060), 71 Formula 400 (sold), 72 Formula 350 (sold), 71 Firebird 350 (sold), 69 Firebird 462 cid (455 +0.030)
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Unread 09-03-2010, 06:55 PM   #3
jsawduste
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2006 YJ Wrangler 
 
Join Date: Jul 2006
Posts: 2,995
Build a stroker
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Unread 09-05-2010, 08:28 PM   #4
czjeeper
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1992 YJ Wrangler 
 
Join Date: Jul 2006
Location: Washougal, WA
Posts: 1,506
Mopar LA small block (273, 318/5.2, 340, 360/5.9) are a bolt in with a dodge dakota/ram bellhousing to AX15.

ETA: for those that get confused, bolt to the transmission! NOT TO THE FRAME.
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Click here for 2.5L AX5 to AX15 swap
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Unread 09-05-2010, 08:46 PM   #5
fitbmxseries1
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1987 YJ Wrangler 
 
Join Date: May 2006
Location: fond du lac, WI
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carburated or EFI? Id say EFI is awesome but Carburated is much easier.i have a dodge 318 bolted tot he stock auto tranny really wish it was EFI though.
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Unread 09-05-2010, 09:30 PM   #6
czjeeper
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1992 YJ Wrangler 
 
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Location: Washougal, WA
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Quote:
Originally Posted by fitbmxseries1 View Post
carburated or EFI? Id say EFI is awesome but Carburated is much easier.i have a dodge 318 bolted tot he stock auto tranny really wish it was EFI though.
+1 SMPFI is the way to go!
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In the Portland/Vancouver area? Check 'em out! Piston's Wild Motorsports Club

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Unread 09-07-2010, 10:16 PM   #7
stoveguy01
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1989 YJ Wrangler 
 
Join Date: Mar 2008
Location: Bonney Lake, washington
Posts: 193
well I put a 5.2(318) with the 4 spd auto out of a 94 grand cherokee in mine. done it in the driveway started on a thursday night after work and was driving it sunday afternoon. wiring for the efi was a direct match with the 92 cherokee wiring id previously installed in a 4.0 head swap. other than motor mounts it was a bolt in swap. totally happy with it dont regret any of it. cost me $800 key is planning and prep everything before hand
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