Chevy Fast Burn 385 Base Crate Engine

Fast Burn 385 engines boast 385 horsepower and 385 ft lbs of torque, which are good numbers for performance oriented drivers. With a host of quality GM Performance parts, the 385 Base crate engine is a true performer and winner! GMPP 385's come with an HEI distributor, aluminum dual-plane intake manifold, cast iron water pump, damper and flexplate. You add your fuel pump, carburetor, starter and plug wires.

NOTE: Intended for pre-1977 street vehicles and all off-road vehicles. Not intended for marine use.

Possible Applications

  • Replace a lesser original engine
  • Add some speed to that show car
  • Go drag racing on the weekends

*Applications have not been validated. They are merely suggestions of how you might enjoy your GM Performance Parts crate engine. Some applications may affect engine warranty. See specific warranty information. Some applications may not be emission legal; check state and local ordinances.

FAST BURN 385 TECH SPECS:
Part Number: 12499710
Engine type: Chevy small-block V-8
Displacement (cu in): 350
Bore x stroke (in): 4.00 x 3.48
Block (P/N 10105123): Cast iron with 4-bolt main caps
Crankshaft (P/N 12556307): Forged steel
Connecting rods (P/N 10108688): Powdered metal steel
Pistons (P/N 10159436): Hypereutectic aluminum
Camshaft type (P/N 10185071): Hydraulic roller
Camshaft lift (in): .474 intake / .510 exhaust
Camshaft duration (@.050 in): 208'c1 intake / 221'c1 exhaust
Cylinder heads (P/N 12464298): Fast Burn aluminum; 62cc chambers
Valve size (in): 2.00 intake / 1.55 exhaust
Compression ratio: 9.6:1
Rocker arms (P/N 10089648): stamped steel
Rocker arm ratio: 1.5:1
Recommended fuel: 92 octane
Ignition timing: 32'c1 total @ 4000 rpm with vacuum advance disconnected
Maximum rpm: 5800

Chevy Fast Burn 385 Base engine image

Part #:12496769

Chevy Fast Burn 385 dyno image

Installation Notes

  • NOTE: Distributor with melonized steel gear MUST be used with long blocks and partial engines with steel camshafts, or engine damage will occur.
  • Comes with 12.75" externally balanced automatic transmission flexplate; change to externally balanced flywheel for manual transmission applications. See chart on page 171.
  • Intended for pre-1977 street vehicles or all off-road vehicles.
  • Not intended for marine use.
  • Some assembly required.