one other possibility i didn't think of earlier is maybe the Mopar
Performance computer for the Renix system? Those aren't made by D-C
anymore, but if you are persistent, you might find one on ebay... i did
it cost me about $150. Of course, I'm also building a long-rod stroker, so
the computer may do more for me than it will for a stock engine.
"Will Honea" <hwj25(remove > wrote in message
...
> On Tue, 1 Jun 2004 07:37:28 UTC (James Morrow)
> wrote:
>
> > hey everyone! got a question for all you jeep gurus out there... i'm
> > sure that someone can answer my question for me. ok, i have an 88
> > cherokee with the 4.0 in it. now i remember a while back when i was
> > just searching around reading articles on the internet someone said
> > that the only difference between the regular 4.0 and the high output
> > was the computer? the old was made by bendix if i remember right?
> > anyways, in the same post i read that when they switched over to the
> > high output jeep offered a mopar upgrade kit to turn the old 4.0 into
> > the HO. i went to my local jeep dealership's parts dept to talk to
> > them, and they said that they haven't heard of it and if it does exist
> > then it was probably made by an aftermarket manufacturer. however, he
> > didn't seem like the smartest guy in the world and he didn't even
> > bother to look for it so there might be a mopar upgrade. my question
> > is have any of you ever heard of this kit? if it is a mopar part do
> > you know the product number? if it's aftermarket who makes it? i
> > really want to do this. have any of you ever done this before or heard
> > of it being done? money isn't too much of a worry so im not too
> > concerned with the cost. a friend suggested that i go to a junkyard
> > and pull the computer and all the associated wiring of a newer
> > cherokee, but i don't know if it's just that simple. any input would
> > be greatly appreciated. thanks in advance!
>
> There's more to it than just the computer. They get what? 25? 40? hp
> more out of the HO with a different head, new manifolds, some changes
> to the throttle body, etc. etc. The computer is just part of the
> change.
>
> I've never heard of a MOPAR drop-in replacement. I imagine that you
> could fit the MOPAR MPI upgrade they make for the 258 to it, but
> that's $2k or so - more than I want to consider for a tired 4.0 that's
> run fine for 160,000 miles. I did look at swapping in one of the HO
> engines from a wreck a while back but that's still a lot of work for
> what would not be that much of an improvement over the one I'm running
> now with the Rennix (Rennault-Bendix) computer. The only way I'd look
> at swapping the computers would be if this one died and I couldn't
> find another one in the boneyard.
>
> --
> Will Honea
one other possibility i didn't think of earlier is maybe the Mopar
Performance computer for the Renix system? Those aren't made by D-C
anymore, but if you are persistent, you might find one on ebay... i did
it cost me about $150. Of course, I'm also building a long-rod stroker, so
the computer may do more for me than it will for a stock engine.
(wow, my first bottom-post
)