Now THAT one I have never heard of. I do know that the doesn't seem
to be any source besides the boneyard for replacement Renix boxes. I
might be interested in one of those if only for the built-in
diagnostic capability.

On Tue, 1 Jun 2004 23:21:24 UTC "Chuck Bremer" >
wrote:

> 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 )
>
>


--
Will Honea