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

Performance chip

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Old Oct 8, 2021 | 09:41 PM
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Default Performance chip

Looking to purchase a performance chip for my 1994 corvette. Looking for suggestions on what one to get. And any suggestions on what web site to get it from. Car is pretty much stock just have cat back magnaflow exhaust And k&n air filter.
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Old Oct 8, 2021 | 10:20 PM
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Im looking at "PCMforless".
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Old Oct 9, 2021 | 08:39 AM
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Originally Posted by loucazo
Looking to purchase a performance chip for my 1994 corvette. Looking for suggestions on what one to get. And any suggestions on what web site to get it from. Car is pretty much stock just have cat back magnaflow exhaust And k&n air filter.
IMO no performance gain is noticeable from a so called performance chip . Save your money .
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Old Oct 9, 2021 | 10:15 AM
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You will see absolutely zero gain in performance! Don’t waste your time or money
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Old Oct 9, 2021 | 01:31 PM
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The Later C4 ECM's do SO MUCH MORE than the early C4 ECM's are able to do. I would agree to just stick with what your car came with. I wish my 1988's ECM could do some of the things your ECM is capable of.

Regular maintenance is really helpful for a faster Corvette, basic tune-ups make a difference. A different Chip however does not make horsepower. People buy them and get very disappointed with the results. Kind of like putting an "Airfoil" inside the Throttle Body and getting and immediate 15 hp gain.... Spark Plugs are another one that cannot "make" Horsepower for you either. I even have the Smooth hose that goes from the MAF sensor to the Throttle Body in place of that speed impeeding corrugated plastic hose. Got to be another 10-15 hp in that, eh?
I apologize for my sarcasm I just wish I had a Buck for every time someone bought the idea. ( I would have a NICE C8 in my driveway)...

I bought a gadget called a GTECH Pro and it will let you know if you gained or lost horsepower very easily without breaking the speed limits. I find a lonely highway and do 30-60 mph runs and I will know very quickly if it helped or not.

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Old Oct 9, 2021 | 01:46 PM
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Ok ty for all the replie
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Old Oct 9, 2021 | 06:12 PM
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What' the rear gear ratio?1994 Corvette differential gear ratio - CorvetteForum - Chevrolet Corvette Forum Discussion
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Old Oct 9, 2021 | 08:32 PM
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A chip is good for VATS, EGR, AIR pump delete, and to lower fan on/off temps, thats what my interest is for.
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