GM 355 Engine Specs (BP35512CT1)

BP35512CT1_med

375 HP/400 ft/lbs
$2,895.00

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PART NUMBER: BP35512CT1
BLOCK:
  • 4-bolt main, 1-piece rear main seal
  • Passenger side dipstick
  • Align honed main bearing bore
  • Cylinders honed on computer controlled machine to within .0002 straightness and roundness
  • Cylinders are sonic tested for thickness
ROTATING ASSEMBLY:
  • BluePrint premium cast steel crankshaft
  • Hypereutectic pistons
  • Chevy heavy beam rods with 150,000 PSI bolts
  • Hastings moly rings
  • Melling high volume oil pump
  • Hydraulic flat tappet cam
  • Heavy duty double roller timing set
CYLINDER HEADS:
  • Performance aluminum
  • Hardened retainers and springs
  • 2.02 swirl polished intake valves
  • 1.60 swirl polished exhaust valves
A TON OF EXTRAS:
  • 10 to 1 Compression
  • New valve covers - dual bolt pattern
  • Oil pan
  • Timing cover
  • Brass freeze plugs
  • Dyno tested - shipped with results
CRITICAL SPECS:
CAM: .480 Int / .486 Exh & 229 Int / 230 Exh duration @ .050
HORSEPOWER: 375 @ 5400 rpm
TORQUE: 400 @ 4100 rpm
COMP. RATIO: 10 to 1  (91 octane fuel required)
IGNITION TIMING: 34 Degrees total (at 4000 rpm)
WARRANTY:
 30 month / 50,000 miles
NOTES:

Picture shown with optional tall, perimeter bolt valve covers.

THIS ENGINE WILL NOT WORK FOR APPLICATIONS REQUIRING EGR.

This engine requires a non weighted harmonic balancer, and a late 350 (for 1 piece rear seal) weighted flexplate/flywheel.

If you are using an automatic transmission, BluePrint Engines recommends a 2000-2400 rpm stall converter.