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Looking For The Post About 97/98 Computer Conversion??

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Old Feb 18, 2008 | 09:00 PM
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Default Looking For The Post About 97/98 Computer Conversion??

I am not able to locate the post I saw a few days ago about a computer conversion. The conversion was for a 97/98 Vette to use a later style computer. Can anybody tell me were it is?

I am not sure if I read it in the C5 Tech or the C5 parts for sale area. I did scroll through pages and pages and pages of threads. My eyes are crossed now.

Thanks,
Rob
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Old Feb 19, 2008 | 12:51 PM
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Not sure about DIY but Euro@EFIAlchemy.com does the swap here in Jacksonville Fl.
They are a new tuner on the forum, phone is 904-305-3916
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Old Feb 19, 2008 | 02:07 PM
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Originally Posted by 98NYFINESTVETTE
I am not able to locate the post I saw a few days ago about a computer conversion. The conversion was for a 97/98 Vette to use a later style computer. Can anybody tell me were it is?

I am not sure if I read it in the C5 Tech or the C5 parts for sale area. I did scroll through pages and pages and pages of threads. My eyes are crossed now.

Thanks,
Rob
It is linked in the Sticky: *****Ultimate DIY Thread****** (post #6) at the top of C5 Tech

EDIT: Below is the direct link:

http://forums.corvetteforum.com/show....php?t=1750377

Last edited by timemender; Feb 19, 2008 at 10:10 PM.
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Old Feb 19, 2008 | 05:55 PM
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I believe you read it in the Northeast Region Section
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Old Feb 19, 2008 | 06:51 PM
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Rob, you looking to change yours or have somebody do it for you?
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Old Feb 19, 2008 | 09:38 PM
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I am looking yo have ECS do the work. My Vette has been tuned for speed density. I know from speaking to many tuners that the 97 and 98 Vettes are more of a challenge then the 99 and up. I am also wonder if anyone has made the change to a 97 or 98 that has had engine work done? Also if it has helped them? then the big question is, How much is this kit? I will be making the phone calls tomm. I will give an update on my findings.

I thank everyone for there help.

I am a serious bracket racer and I am looking to be even more competitive with my new make over for my Pace Car. I am thinking that I should look into this upgrade to see if this will help me in any way. I have also heard that this upgrade would be more of a benefit to a power added engine.

Again thanks, and I will post my results and what I find out with all the phone calls.
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Old Feb 20, 2008 | 06:40 AM
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Originally Posted by 98NYFINESTVETTE
I am a serious bracket racer and I am looking to be even more competitive with my new make over for my Pace Car. I am thinking that I should look into this upgrade to see if this will help me in any way. I have also heard that this upgrade would be more of a benefit to a power added engine.

Again thanks, and I will post my results and what I find out with all the phone calls.
The new PCM from a GMC truck is going to run you about $125 shipped. You will nedd a new PCM bracket as the two computers are physically different. The bracket lists for $24 at the local dealer. Several shops I've priced it out at want between $250 and $350 labor. Not sure if VATS or other additional programming is required. The point of the swap is for better tuning ability so factor in the price of a retune on top of everything.

The benefits are in the ease of tuning and greater familiarity tuners will have with programming a 99+ PCM versus the 97-98 PCM's. In addition datalogging is much more effective and real time adjustments available. The dual VE tables in the older computers can be a real pain when FI or H/C/I work are done. If you're car is mainly bolt ons the cost may be prohibitive.

Hope this helps....
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Old Feb 20, 2008 | 10:26 AM
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Here you go Rob.....verrrrrry scary way too many wires

http://www.efialchemy.com/db/02to97pcm/02to97PCM.html
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Old Feb 20, 2008 | 10:35 AM
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No way would I attempt to install a 1999 & PCM into a 1998. Hp Tuners support the 1997 & 1998 PCMs. There is a 2 bar SD OS available for the 1998 PCM's.

There is no power to be gained by installing a newer pcm. As far as real time tuning, I've tuned with & without it, but if you know how to tune properly, changing up the pcm will cause more trouble than gains.

Russ Kemp
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Old Feb 20, 2008 | 11:41 AM
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Hey Rob,I just did that swap,02 pcm in my 97 C5.Its not as hard as it looks.Since I have EFILive it was pretty easy to work the bugs out.I did it mostly because I was having problems with the rev limiter with the 97pcm................Paul
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