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Question about HPP3 programing.

LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Question about HPP3 programing.

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Old

Apr 4, 2005 | 12:13 AM

#1

Cerwin Vega Fan

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Question about HPP3 programing.

My programmer has been just sittitng in my closest for a few months now. The reason I have not used it is because I do not know if my car is running a stock tuned, the guy who owned the car before me might have had it tuned. My question is will the Hypertech just replace what ever programming that is already in the computer with it's own? Or can the programmer only work on a car that has not had a modified ECU?

Thanks

Old

Apr 4, 2005 | 10:57 AM

#2

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Quote:

Originally Posted by Cerwin Vega Fan

My programmer has been just sittitng in my closest for a few months now. The reason I have not used it is because I do not know if my car is running a stock tuned, the guy who owned the car before me might have had it tuned. My question is will the Hypertech just replace what ever programming that is already in the computer with it's own? Or can the programmer only work on a car that has not had a modified ECU?

Thanks

I believe it will upload the HPP3 tune in regardless of what's on the PCM. Then you can upload a stock tune back into the ECU via the HPP3 as well.

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