BluePrint BP35512CT1 GM 355 Base Engine, Alum Heads, Flat Tappet Cam

True Blue Power! BluePrints pro engine builders are enthusiasts just like you and it shows in the quality and performance of every engine they build. Each BluePrint crate engine is carefully dyno tested and ships with printed, proven results. If you’re looking serious horsepower at an affordable price, BluePrint Engines is the choice for you!

GM 355 Base Engine - Aluminum Heads - Flat Tappet Cam

Overview

• HP & Torque: 375 HP / 400 FT LBS
• Compression Ratio: 10.0:1
• Aluminum Heads
• Hypereutectic Pistons
• Flat Tappet Cam
• Cast Steel Crank
• Part #: 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

• BluePrint Performance Aluminum
• Hardened retainers and springs
• 2.02 swirl polished intake valves
• 1.60 swirl polished exhaust valves
• BP Aluminum Head Part# H8002K

Cam Specs

• Cam Type: Flat Tappet
• .480 Intake .486 Exhaust
• 229 Intake / 230 Exhaust duration
• @ .050

Ignition Timing

• 34 Degrees total at 3500 rpm

Also Includes

• New valve covers
• Oil pan
• Timing cover
• Brass freeze plugs
• Dyno test results shipped with engine

Warranty

• 30 month / 50,000 mile

Notes

Picture shown with optional tall, perimeter bolt valve covers.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.