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Chip opinions

17 September 2002
I stopped by a local race tech shop today that specializes in many types of cars . I was asking about piggyback ecu's and he had an interesting opinion on them. Basically he was saying that if you buy one from a vendor with a map already loaded on that it would not be as good as buying a blank chip (like unichip), wiring it it, running the car on a dyno and tuning it specifically to address what needs addressing. The guy has a degree in "Automotive Engineering Major / Electronics & Computer Science Minors" and seems to have alot of experience on many types of cars.

I was just curious what others think of what he called "phone in maps" where you're just throwing a chip in with a map that hasn't been custom tuned to their car. Any insites?