ZJ cummins swap?! - Page 2 - JeepForum.com

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post #16 of 16 Old 07-22-2013, 02:20 AM
Timo_90xj
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1998 ZJ 
 
Join Date: Mar 2006
Location: Helsinki, Finland - on the European side of the Atlantic
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Quote:
Originally Posted by gingerbreadman1 View Post
ok i want to do a cummins swap in the near future (after i get a job) ...

i dont know what i need to change in order to support the new engine and the torque. i want to change my front no matter what because its the 3 piece and i want to jump this girl without snapping an axle. just throw out some ideas if u can.
You have to change almost everything. ..and plate the uniframe from front to back, etc...

Why exactly Cummins 4bt? As much as it is a good engine, it's a big, heavy piece of equipment. If you can find one, get a 6- cylinder Merc. diesel from the early- to mid- 80s. Those engines aren't much different from the stock 4.0 I6 in size/ weight, but can be built to reliably produce you well over 200hp/ 300lbs/ ft. at the rear wheels and give you 30mpg any day. Those engines last 500k miles+ in stock form, they are literally bullet-proof. I've seen swaps done into MJs and XJs.. I guess the biggest problem across there is the limited availability though.


1998 Grand Cherokee 5.9 LX daily driver, 1.75" BB, 32" KM2s, HPD30 Eaton e-locker/D44a stock LSD, 4.56 gears, custom- fabbed tube bumpers and tube fenders,...

http://www.jeepforum.com/forum/f13/d...s-etc-1222317/


1990 XJ Limited (4-door), 4.0 I6, AW4, NP242, ***rolled and totalled @ 165k miles***

***Under construction***
1990 XJ (4-door), 4.0 I6, AW4, NP242, PBR 42" tires, Unimog 404 portal axles, 110" WB, full cage + uniframe completely rebuilt, front 3-link + panhard / double triangulated 4-link rear,... ***SOLD***
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95 zj , cummins , diesel , diesel swap , engine swap

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