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Nov 4, 2009 | 08:04 PM

cubanchris81

Thread Starter

Member

Joined: Nov 2009

Posts: 187

Likes: 1

From: Dover PA

Year: 1998

Model: Cherokee

Engine: 4.0L Power Tech I-6

go green

I have a 98 xj 4 door gettin ready to put 5.5" tnt y-link lift with teraflex hd t.case. when I go to install cummins 3.9l 4BT will I have to put heavier springs in front too?

Nov 4, 2009 | 10:31 PM

c-loss

CF Veteran

Joined: May 2008

Posts: 1,237

Likes: 1

Year: 1988

Model: Cherokee

Engine: 4.0

Yes and I would do allot of bracing to the unibody rails.

Nov 5, 2009 | 07:09 AM

4x4kid17

Newbie

Joined: Oct 2009

Posts: 4

Likes: 0

Model: Cherokee

deff let me know how this goes! me and my dad are highly interested in dropping a diesel into our jeep..

Nov 5, 2009 | 09:59 AM

Mike1998XJ

Senior Member

Joined: Apr 2009

Posts: 922

Likes: 2

From: Grand Haven, Michigan

Year: 1998, 1999

Model: Cherokee

Engine: 4.0

The 4BT weighs 745#.

Nov 5, 2009 | 10:38 AM

4.3L XJ

CF Veteran

Joined: Aug 2008

Posts: 6,588

Likes: 495

From: Chico, CA

Year: 1986

Model: Cherokee

Engine: 4.3L with headers and full 3" exhaust system

Sky jacker springs have higher spring rates. They might make a good choice. I can give you the name of a spring company that can wind yo some springs out of heavier wire. I had a set of theirs in my Ford pickup with a CAT 3208. Worked great.