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Anyone have any experience with the Hypertech thermaster power chip in there 87 auto C4.
Any noticable difference, also besides the thermostat that is needed , do yo you also have to change the fan switch sensor, or is that changed within the prom.
and does it change shift point on the auot tranny.
Thanks for any input.
I realise its not the answer to major hp, I understand the bolt on scams, just wondering if its worth it at all if its availbable cheap.