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Product Summary

350, 383, Long Block Crate Engine Type

    Need To Know

    Ineligible for Return

    Contains items that cannot be returned

    Details

    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 383 Dressed Engine - Cast Iron Vortec Heads - Flat Tappet Cam

    Overview

    • HP & Torque: 405 HP / 440 FT LBS
    • Compression Ratio: 9.5:1
    • Cast Iron Heads
    • Flat Tappet Cam
    • Cast Steel Crank
    • Part #: BP3830CTC1S

    Block

    • 4 bolt main 1pc rear seal block w/Passenger side dipstick only
    • Square and parallel decked
    • 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

    • New cast steel crankshaft
    • Hypereutetic pistons
    • Chevy heavy beam rods with 150,000 psi bolts
    • Hastings Moly rings
    • Balanced rotating assembly
    • Melling high volume oil pump
    • Flat tappet hydraulic lifter camshaft
    • Heavy duty double roller timing set

    Cylinder Heads

    • Cast iron Vortec heads
    • 1.25 diameter valve springs
    • Hardened retainers and springs
    • 2.02 swirl polished intake valves
    • 1.60 swirl polished exhaust valves
    • 1.5 long slot, stamped steel rockers
    • Hardened push rods

    Cam Specs

    • Cam Type: Flat Tappet
    • .487 Intake .508 Exhaust
    • 234 Intake / 244 Exhaust duration
    • @ .050 - 112 degree lobe separation

    Ignition Timing

    • 34 degrees at 3500 RPM

    Also Includes

    • Aluminum intake manifold
    • Distributor
    • 750cfm carburetor
    • New chrome valve covers
    • Brass freeze plugs
    • Dyno tested “ and shipped with results

    Charts

    Warranties