Engine Assembly, Copo Camaro 327 / 2.9 - GM (17802826)

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  • GM
  • 17802826
  • Engine Assembly, Copo Camaro 327 / 2.9
Manufacturer Warranty Minimum of 12 Months
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Product Details

  • Engine
  • The COPO 327 sized to fit the regulations of NHRA AA Stock, this smaller-displacement racing engine packs a big supercharged punch. The engine breathes via a force-fed air charge through high-flow LS7 cylinder heads. The supercharger is a twin-screw design from Whipple.
    Specs:
    Displacement: 327 cu in (5.3L)
    Compression Ratio: 10.2:1
    Cylinder Block: LS9 Cast Aluminum
    Bore x Stroke (in): 4.065 x 3.150
    Crankshaft: Forged steel
    Connecting Rods: Forged steel
    Pistons: Forged dome
    Cylinder Heads: LS7 aluminum
    Induction: Boosted
    Intake Manifold: 2.9L Whipple
    Camshaft Type: Hydraulic roller
    Camshaft Lift (int./exh.): .650/.650-inch
    Camshaft Duration (int./exh.): 244/255 deg. @.50-inch
    ENGINE:
    Chevrolet Performance LSX cast-iron block with steel main caps
    4.065" bore x 3.150" stroke
    Static compression ratio - 10:1 nominal
    Callies 4340 crankshaft - double-keyed snout
    Callies 4340 H-beam Ultra rods

    • 6.350" length
    • .928" pin bore diameter
    Clevite H-Series heat-treated tri-metal rod and main bearings
    Mahle 2618 alloy forged domed pistons
    • Graphal coating
    • Hard-anodized top ring groove
    • Friction-coated skirts
    Mahle .043" x .043" x 3mm piston rings
    • Ductile iron top with radius molybdenum face
    • Plain cast-iron tapered 2nd
    • Chrome-plated oil rails with low-tension expander
    COMP Cams steel billet hydraulic roller camshaft
    • Duration -- 246°/254° @ .050" lift
    • Theoretical valve lift -- .630"/.630"
    • Lobe centers -- 117°
    VALVETRAIN:
    Chevrolet Performance "Ceramic Ball" high-rpm hydraulic roller tappets
    3/8" diameter LS7 pushrods
    1.8:1 ratio LS7 rocker arms with roller trunions
    PSI "Max Life" beehive valve springs
    Hardened steel spring seats
    Lightweight steel retainers
    Fully CNC'ed aluminum cylinder heads -- based on LS7
    275 cc nominal intake port volume
    89 cc nominal exhaust port volume
    70 cc nominal combustion chamber volume
    Del West titanium intake valves -- 2.200" head diameter x 7mm stem
    Lightweight sodium-filled exhaust valves -- 1.615" head diameter x 7mm stem
    Fel-Pro Performance multi-layer steel head gaskets with raised cylinder sealing bead
    Internal wet sump oil pump
    Deep-sump cast aluminum oil pan --
    6-quart capacity
    ATI Performance Products SFI-approved damper -- 10-rib shell
    2.9L Whipple twin-screw supercharger
    Whipple billet throttle body
    327/500 -- 109mm round blade
    FUEL SYSTEM:
    High-impedance fuel injectors
    • 80 lb/hr @ 43.5 psi with EV1 connector
    ENGINE CONTROLS & IGNITION:
    Cable-actuated throttle
    Production LS7 ignition coils
    Production LS7 secondary wires
    GM sensors

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