Chevy 5.3 Performance 385HP HPG97

Chevy 5.3 Performance 385HP

Engine Specifications

  • HP: 385
  • TQ: 390
  • Block: Seasoned OE LM7/5.3L iron
  • Bore/Stroke: Up to 3.809 x 3.622
  • Displacement (cu.in): 323
  • Crankshaft: OEM GM 24 tooth reluctor wheel
  • Rods: Stock GM
  • Pistons: Hypereutectic 9.5:1 compression
  • Rings: Moly
  • Camshaft: roller
  • Cam Specs: Custom performance grind
  • Cylinder Heads: OE aluminum 61.15cc 1.89”/1.55” valves
  • Rocker Arms: OE powdered metal 1.7 ratio
Engine Information
  • Oil- 5W30
  • Fuel System – OE EFI System
  • Intake – Stock Fuel Injected
  • Balancer- Stock Internally Balanced
  • Flex plate/Flywheel- Stock Internally Balanced
  • Spark Plug- Stock
  • Spark Plug Gap- .035”
  • Timing- Set To Factory Specifications Via PCM Module (Tune Required)
  • Firing Order- Stock
  • Fuel – 91 Octane
  • Recommended Stall Converter- stock or 1800
  • Exhaust- 1 5/8 or 1 3/4 Headers
Applications

1999 Chevrolet Silverado 1500
1999 Gmc Sierra 1500
2000 Chevrolet Silverado 1500
2000 Chevrolet Tahoe
2000 Gmc Sierra 1500
2000 Gmc Yukon Xl 1500
2001 Chevrolet Silverado 1500
2001 Chevrolet Suburban 1500
2001 Chevrolet Tahoe
2001 Gmc Sierra 1500
2001 Gmc Yukon
2001 Gmc Yukon Xl 1500
2002 Chevrolet Avalanche 1500
2002 Chevrolet Silverado 1500
2002 Chevrolet Suburban 1500
2002 Chevrolet Tahoe
2002 Gmc Sierra 1500
2002 Gmc Yukon Xl 1500
2003 Chevrolet Avalanche 1500
2003 Chevrolet Silverado 1500
2003 Chevrolet Silverado 2500
2003 Chevrolet Tahoe
2003 Gmc Sierra 1500
2004 Chevrolet Avalanche 1500
2004 Chevrolet Silverado 1500
2004 Chevrolet Suburban 1500
2004 Chevrolet Tahoe
2004 Gmc Sierra 1500
2005 Chevrolet Avalanche 1500
2005 Chevrolet Silverado 1500
2005 Chevrolet Suburban 1500
2005 Chevrolet Tahoe
2005 Gmc Sierra 1500
2005 Gmc Yukon Xl 1500
2006 Chevrolet Avalanche 1500
2006 Chevrolet Silverado 1500
2006 Gmc Sierra 1500
2006 Gmc Yukon
2007 Chevrolet Express 1500
2007 Chevrolet Silverado 1500