Reply To: Changing computer chip in a 1985 C4

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#13543
David O'Neil
David O’Neil
Participant

Total posts : 7

Hi Steve,

I have changed the Computer in my 1989 C4. Its a job that can be done reasonable easily. I changed mine a few years ago to give the car a bit more horse power and to bypass the emission controls. Mine also is designed to make the Auto to change into fourth gear at 80 rather than the standard 60 KPH. It didn’t seem to make much difference to the fuel economy.

David #3357.