When using carburetors with vaccum operated secondaries
C2500 2000-1988
1978-1984 Oldsmobile 98
SPL55 to 1480WJ Series
their shorty design means you can route exhaust tubing close to your frame/floor pan for maximum ground clearance
Hypertech Max Energy Programmer - GM 1997-2007 Driveshaft When using carburetors with vaccumHypertech Max Energy Power Programmer 32500 RPM Rev Limiter Top Speed Limiter Back To Stock Tuning Tire Size Rear Gear Ratio Change Transmission Adjustments Cooling Fan On Off Temperatures Applications include: Astro, Avalanche 2500, C1500 Pickup, C1500 Suburban, C2500 Pickup, C2500 Suburban, C3500 Pickup, Camaro, Corvette, Escalade, Express 1500, Express 2500, Express 3500, Firebird, Firebird Trans Am, H2, Impala, Jimmy, K1500 Pickup, K1500 Suburban