2.8L to 3.4L Engine Swap - Jeep at Off-Road.com
2.8L to 3.4L Engine Swap
Comments and questions from our Readers
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 Posted Mar 01 2008 08:45PM
Do you have any info on 1986 jeep wagoneer 2.8l engine swap to chevy 4.3l mabe some type of book or manual. thanks.
 Posted Mar 30 2008 10:33PM
Any info or advice on doing this swap for an '86 Jeep Cherokee that is powered...haha...by a dying 2.8L? I think I can pick up a used engine from a 94 Camaro pretty cheap from the Junk Yard out of a wrecked one.
 Posted Jul 12 2008 03:45AM
hey um so about that whole fuel injection shpeal. was your 3.4 already fuel injection or not? im assuming this is the L32 camaro swap right? im very interested in this man. seriously this is inspiration to the soul after sitting in my junkyard dog of the 2.8 please email me if possible. you would help me out alot. thanks man. p.s. i drive an 85 4door with an automatic and im pretty sure its just a three speed with overdrive. and im just a teenager
 Posted Sep 05 2008 11:29AM
Hey there i got a cherokee with poo 2.8 and am intrested in the 3.4 swap i was hoping to us my carb and intake off my 2.8 but i was told that the intake ports are diffrent shapes and wont line up properly, but i have also heard that you can just dump the 2.8 intake right on no prob. i want to know the truth before i buy the 3.4 from the wrecker thanx jake
 Posted Sep 05 2008 11:29AM
Hey there i got a cherokee with poo 2.8 and am intrested in the 3.4 swap i was hoping to us my carb and intake off my 2.8 but i was told that the intake ports are diffrent shapes and wont line up properly, but i have also heard that you can just dump the 2.8 intake right on no prob. i want to know the truth before i buy the 3.4 from the wrecker thanx jake
 Posted Sep 10 2008 05:51PM
Did you keep your stock tranny and transfer case?
 Posted Nov 22 2008 11:37PM
You are my saving grace, I've been looking for an alteretive to the 2.8 for a while now. I was wondering if you knew how the 3.4 bolted up to the 5 speed manual? Or is that unconcoured territory for you. I'm really intereted in this swap, i've had major carb. issues with the vaccum assisted piece of crap that was on the 2.8 in 1986.
 Posted Dec 26 2008 08:02PM
I did the swap a 30K miles ago. I have had a few problems but the one that is now showing is the starter not engaging the fly wheel. I did not shim the starter after the swap, and it has worked quite well until now. Are there premade shims that will allow me to change the angle of the starter or is it a custom job?
 Posted Jan 09 2009 05:40PM
I did the swap. with a comp cam and lifters edelbrock intake, Holley 4bbl 390cfm carb., the exhaust flows through a 2" pipe with a flowmaster. this is a long bed Comanche. I use to be at the end of the trail/duning excurersions but now I lead them. HUGE gains with the swap. nice torgue and it loves to rev =) upgrade the cooling system. I run an electric fan along with the mechanical
 
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