- Computer Tuning
- Hypertech Thermo Master Power Chips
Plug-In Performance for 1980's and 1990's GM Vehicles
The premiere name in classic automotive ECM programming, Hypertech became famous with this replaceable power chip, or "PROM", for older vehicles. Before the OBD-II port, OE computer chips on the ECM had to be physically replaced. Hypertech's Thermo Master Chip is one of the best PROMs available. It can create instant power by adjusting spark advance and air/fuel ratio.
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Such adjustments can also increase fuel mileage potential with sensible driving. Designed for use with a PowerStat 160° or 180° Thermostat, Thermo Master Chips eliminate tuning guesswork... just plug in and drive.
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GM Car
Hypertech Thermo Master Power Chip1984 Camaro/Firebird 305 Automatic Transmission California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1984 Camaro/Firebird 305 (LG4) Manual Transmission California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1984 Camaro/Firebird 305 HO Manual Transmission California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1985 Camaro/Firebird 305 (LG4) Manual Transmission California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1985 Camaro/Firebird and G-Body 305 (LG4) Automatic Transmission California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1986 Camaro/Firebird 305 (LG4) Manual Transmission California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1990 Camaro/Firebird 3.1L Automatic Transmission California Models Only
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$230.91
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Hypertech Thermo Master Power Chip1990 Corvette 350 Automatic Transmission California Models Only
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$273.56
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GM Truck/SUV/Van
Hypertech Thermo Master Power Chip1984 S10/S15 Automatic Transmission California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1984 S10/S15 2.8L Manual Transmission 2-Barrel Carburetor California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1985 S10/S15 2.8L Manual Transmission 2-Barrel Carburetor California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1985 S10/S15 2.8L Automatic Transmission 2-Barrel Carburetor California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1985-86 C10/C20 350 Automatic Transmission 4-Barrel Carburetor California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1985-86 C10/C20 Truck, Suburban 305 Automatic Transmission 4-Barrel Carburetor California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1989 C1500/C2500, K1500/K2500 4.3L 5-Speed Manual Transmission California Models Only
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$183.15
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Hypertech Thermo Master Power Chip1990 C/K/R/V Truck/SUV 1500/2500 350 Automatic Transmission California Models Only
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$140.16
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