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I've been on a crusade for some kind of tuning option for the 3.4 pcm for a bit of time now.
After hearing about a couple members being able to get "mild performance tunes" from ed wright at FASTCHIPS, i was thinking about sending in my PCM over the winter when my car is stored but the 400$ price tag has got my head spinning, especially because all he can really do in essence for me is increase spark advance, increase shift firmness, and remove the top speed limiter, since i dont' have any gears that need changing and my rad. fan doesn't work anyways (he can change the turn on point)
anyhow, to get to the immediate point here, FunkZ had compiled a collection of service #'s for PCM's that are compatible with ours. interestingly enough for the 93 3.4 the 93 3.1 Lumina's code matches up. Now whats interesting about this computer is that it is NOT flash only, it comes with a chip, much like the cars of the 80's.
So heres the question, and i'm starting to get excited now....
if i buy that computer, can i buy a "performance chip" that will fit that computer, and still have it work on my car??
i mean ther service # is the same, the only thing that is different is that it incorporates the old chip style.
before i move onto questions on how to go about tuning with a new chip, i'd like to hear some feedback on if this seems possible.
i even found a website that can custom tune a chip for a 3.1 lumina. http://www.motorvation.tv/chips_gm_cars.htm
it's got options for cams and roller rockers and everything.
The first step would be to get the computer and see if it works, with the stock chip in it, and make sure my car runs properly like that.
Then if that works out, i could send for a custom chip (based on all the modifications on my 3.4) and it SHOULD work out ok because the 3.1 and the 3.4's usually share the same performance parts, for instance i know the cam i want to get is actually made for the 3.1 engine.
then try out the chip and see if it was worth the couple hundred bux or whatever.
so how does all this sound?
thanks
max
After hearing about a couple members being able to get "mild performance tunes" from ed wright at FASTCHIPS, i was thinking about sending in my PCM over the winter when my car is stored but the 400$ price tag has got my head spinning, especially because all he can really do in essence for me is increase spark advance, increase shift firmness, and remove the top speed limiter, since i dont' have any gears that need changing and my rad. fan doesn't work anyways (he can change the turn on point)
anyhow, to get to the immediate point here, FunkZ had compiled a collection of service #'s for PCM's that are compatible with ours. interestingly enough for the 93 3.4 the 93 3.1 Lumina's code matches up. Now whats interesting about this computer is that it is NOT flash only, it comes with a chip, much like the cars of the 80's.
So heres the question, and i'm starting to get excited now....
if i buy that computer, can i buy a "performance chip" that will fit that computer, and still have it work on my car??
i mean ther service # is the same, the only thing that is different is that it incorporates the old chip style.
before i move onto questions on how to go about tuning with a new chip, i'd like to hear some feedback on if this seems possible.
i even found a website that can custom tune a chip for a 3.1 lumina. http://www.motorvation.tv/chips_gm_cars.htm
it's got options for cams and roller rockers and everything.
The first step would be to get the computer and see if it works, with the stock chip in it, and make sure my car runs properly like that.
Then if that works out, i could send for a custom chip (based on all the modifications on my 3.4) and it SHOULD work out ok because the 3.1 and the 3.4's usually share the same performance parts, for instance i know the cam i want to get is actually made for the 3.1 engine.
then try out the chip and see if it was worth the couple hundred bux or whatever.
so how does all this sound?
thanks
max
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