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Average Reviews:
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(More customer reviews)Amazon price and service are great...
but **BEWARE** of HyperTech.
I purchased one of these and they refused to update the program chip when it became obsoleted by newer on-board computers.
They wanted to charge me $250 for an updated chip. I'd try a company that takes better care of their customers.
Click Here to see more reviews about: Hypertech 345752 Power Programmer III Automotive Tuning Computer
Hypertech Power Chips are direct replacements for the stock chips in 1981-1995 GM vehicles. The Power Chip contains the Hypertech Power Tuning data that controls the engine's air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster power chips are designed for daily street driving or competition in unmodified vehicles using a 160 degree or 180 degree thermostat.
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