best 4.0L

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Aug 21, 2011 | 01:06 PM

#46

trans_am7935

CF Veteran

Joined: May 2009

Posts: 1,844

Likes: 4

From: Glen Burnie, MD

Year: 1994

Model: Cherokee

Engine: 4.0 H.O. K&N, Borla headers, custom down pipe, magnaflow hi-flo cat, flowmaster to turn down tip

Quote:

Originally Posted by CherokeeCountry

Did the injector swap on my 94 country, I wouldn't even bother with it. The OBDII computers will automatically adjust fuel flow to be around the same as stock injector output with the new four port injectors. You'll get better spray of course, since you're going from single to four port injection, but as far as power and huge increases like some get from different engines/computers/models, I sure didn't on the OBDII system, a lot of guys have had the same experience as I have.

the 94 is an OBD1 btw. also the reason for the 96 sounding better is probably cause they re-did the bottom end that year with different pistons, rings, and the block was re-enforced. i believe some also got OBD2 that year, maybe all but i am not sure.