Hypertech Street Runner For 1991 Chevy Or GMC Truck 4.3 TBI 5-Speed Manual Transmission

• Increases Horsepower In Early Computer Controlled Cars
• Controls Engine's Air/Fuel Ratio And Spark Advance For Maximum Power And Performance
• Potential Gas Mileage Improvements

The Street Runner™ Power Chip is designed for daily street driving or competition in unmodified vehicles using a stock thermostat. Eckler's Classic Chevy Trucks is proud to offer Hypertech Power Chips, the perfect upgrade for your Chevy or GMC Truck. Hypertech Power Chips are direct replacements for the stock chips in your 1991 S10 or S15 Truck. 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. Hypertech Power Chips from Ecklers can be installed easily, using only hand tools. 1981-1995 GM automotive computers used replaceable PROMs or chips to calibrate the Electronic Control Module (ECM) for specific engine, powertrain, and vehicle combinations. Hypertech created the original Power Chips™ to recalibrate these electronic brains for improved performance. As interest in Power Tuning™ grew and the variety of OEM systems increased, Hypertech developed innovative products to complement the increasingly complex on-board computer systems. Ecklers is proud to offer Hypertech Power Chips in our 1981 and up line up. From Camaro, Firebird, Malibu, Corvette, Caprice, Truck and other GM vehicles, we have what's right for you. Look for these brands to get your project running right! The Street Runner™ Power Chip is designed for daily street driving or competition in unmodified vehicles using a stock thermostat. Look to Eckler's Classic Chevy Trucks for the performance parts you need for your 1991 S-10 or S-15 Truck.

1991 Chevy Or GMC Truck Engine Tuning Chips By Hypertech