Hypertech ThermoMaster Performance Chip for GM vehiclesReplace the chip on your GM vehicle in less than 30 minutes with NO WIRING and NO SOLDERING! 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. Power Chips can be installed in less than 30 minutes using only hand tools. No wiring or soldering is required - just plug in and go! The ThermoMaster Power Chip, used in conjunction with a low-temperature PowerStat thermostat (sold separately, available below), is the most powerful chip you can run on the street. The ThermoMaster not only provides maximum performance, but it will also help keep the engine cooler in situations of extreme heat such as emergency vehicles, desert driving, competition, etc. Cool air has more air molecules per cubic inch than hot air. An engine running in cool, dense air produces more horsepower and is less likely to detonate than an engine that is taking in hot air. The Hypertech PowerStat thermostat lowers both the temperature of the incoming air/fuel mixture and the engine coolant temperature. The ThermoMaster Power Chip is programmed to take advantage of this cooler, more powerful air/fuel mixture produced by the PowerStat. All temperature-sensitive functions controlled by the ThermoMaster chip (such as a minimum temperature for torque converter lock-up, closed loop operation, and in some cars, early fan turn-on) are adjusted for a cooler temperature thermostat. The Hypertech PowerStat (sold separately, available below) is specifically designed for use with the ThermoMaster Power Chip Features
Reference notes for applications below: 2) Cool Fan Switch recommended for vehicle's equipped with electric fans. Sold separately below. 3) Only fits 2500/3500 models with GVW over 8,500 lbs (8-lug wheels only). 4) For models with 3.42 OR 3.73 rear axle gear ratio. 5) For models with 4.10 OR 4.56 rear axle gear ratio. 6) 2500 Series with ECM #1228747 use part #120261 or #120262. 8) Only fits models with aluminum heads. | |||||||||||||||||||||
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Complete your power package with PowerStats! The laws of physics dictate that cooler air is more dense than warmer air. Since horsepower increases as more air and fuel are burned, cooler air creates more horsepower. Hypertech PowerStats replace your vehicle's factory thermostat that controls your engine's cooling fans to provide cooler, denser airflow into your engine. PowerStats are recommended for vehicles equipped with ThermoMaster Power Chips. PowerStats are 100% street legal when used with Hypertech Power Tuning products. |
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Complete your power package with PowerStats! The laws of physics dictate that cooler air is more dense than warmer air. Since horsepower increases as more air and fuel are burned, cooler air creates more horsepower. Hypertech PowerStats replace your vehicle's factory thermostat that control the engine's cooling fans to provide cooler, denser airflow into your engine. PowerStats are recommended for vehicles equipped with ThermoMaster Power Chips. PowerStats are 100% street legal when used with Hypertech Power Tuning products. 180 Degree PowerStats provide better performance in cold climates. |
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Electric cooling fans on TPI GM engines are set to turn on around 220 degrees Farenheit. Hypertech's Cool Fan Switch turns on the cooling fans at a lower temperature to provide cooler, denser air to your engine and lower the temperature of engine coolant. Please choose your part based on the PowerStat being purchased. |
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ThermoMaster Power Chips are the most powerful chip you can run on the street. Used in conjunction with Hypertech PowerStat thermostats (sold below), your engine will perform at its best with cooler, denser air and improved spark timing and air/fuel ratios. NOTE: These ThermoMaster chips are CARB exempt. They may be used in California or other emissions controlled areas or for emission controlled vehicles. Check your local laws for details. Reference notes for applications can be found above. |
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ThermoMaster Power Chips are the most powerful chip you can run on the street. Used in conjunction with Hypertech PowerStat thermostats (sold below), your engine will perform at its best with cooler, denser air and improved spark timing and air/fuel ratios. NOTE: These ThermoMaster chips are NOT CARB exempt. They are NOT available for use in California or other emissions controlled areas or for emission controlled vehicles. See below for CARB exempt ThermoMaster chips. Reference notes for applications can be found above. |
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