C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Ecm reprogramming or do it yourself?

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Old Nov 30, 2002 | 07:16 PM
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Default Ecm reprogramming or do it yourself?

I am not sure on this, but just wanted to see if it were possible. I think 96 ecm's are programable. Is there some software out where it can be done yourself via a pc, or does it need to programmed by a company(eg.superchips).
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Old Nov 30, 2002 | 07:22 PM
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Default Re: Ecm reprogramming or do it yourself? (MrCrowley)

LT1 Edit makes a program that is OBD2 compliant.

www.carputing.com
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Old Nov 30, 2002 | 07:27 PM
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Default Re: Ecm reprogramming or do it yourself? (STL94LT1)

Thats kinda expensive, I really didn't wanna spend $2700 bucks to do it myself. But the price is understandable. Guess I will find someone locally or send it out. That is my only other option.
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Old Nov 30, 2002 | 07:32 PM
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Default Re: Ecm reprogramming or do it yourself? (MrCrowley)

It is a little expensive. However, it is $550 for a single PCM, not $2700.
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Old Nov 30, 2002 | 07:47 PM
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Default Re: Ecm reprogramming or do it yourself? (STL94LT1)

I see that now, much better price. Looks alittle invovled though. Im not sure about what are the timing and fuel curves. That might get tricky. Looks like alot of test and tuning unless someone else here wants to give up there test and tune specs. Or maybe the software lets you enter in the specs of the cam versis a stock one, and adjusts things accordingly.
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Old Nov 30, 2002 | 07:57 PM
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Default Re: Ecm reprogramming or do it yourself? (MrCrowley)

i had mine done at a place called westers garage in tilley alberta, it was onlyabout $275 CAN ($160 U.S.) and the guy was great to deal with :yesnod: :cheers:
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Old Nov 30, 2002 | 11:17 PM
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Default Re: Ecm reprogramming or do it yourself? (atotalnincompoop)

It can be tricky. One should consider having a good reason to modify the chip. Factory folks do it all the time. Unless you have modified the stock set up, have a narrow application, understand combustion dynamics, chip software, etc, I would leave it alone. LIke modifying any software. Be carefull.

dlmeyers 90 coupe zf6 3 speed shocks
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Old Dec 1, 2002 | 07:53 AM
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Default Re: Ecm reprogramming or do it yourself? (atotalnincompoop)

off topic, but me thinks those C5 wheels look great on your car :cool: . Is the offset the same as C4? :confused: Just wondering. :cheers:
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Old Dec 1, 2002 | 08:41 AM
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Default Re: Ecm reprogramming or do it yourself? (ELEVENS)

A lot of guys have used fastchip and pcmforless.com.

I started reading the info on doing my own and it is VERY involved.

I went to pcmforless.com and it includes 1 reburn after dyno tuning.

Jim
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