8/6/2023 0 Comments 427 blueprint engineOver time, normal wear and tear makes it feel like less, even if you take care of your engine and only drive her on weekends. If you own a mid-70's through '82 Corvette, then you have somewhere between 165HP & pending on the year. Many factors will affect horsepower the horsepower numbers you will see and include exhaust header selection & diameter, ignition and fuel system components, fuel octane rating & quality, proper torque converter selection (if equipped with automatic transmission), drivetrain efficiency, etc.Corvette is America's Sports Car and deserves a worthy powerplant. Measured rear wheel horsepower can be anywhere from 15-25% less than flywheel horsepower. The number provided were measured is at the flywheel, corrected to SAE J1349 standards, and NOT at the rear wheels. These numbers were achieved on a professionally operated dynamometer to compensate for variables such as altitude, temperature, relative humidity, vapor pressure, and barometric pressure. All horsepower and torque numbers are provided by the crate engine manufacturer and are within 2% of advertised numbers. ![]() This engine is shipped dry without engine oil. NOTE: This engine may not clear your factory hood.hood modifications or an aftermarket hood may be required. Recommended Engine Oil: 10W30 Non-Synthetic Recommended Stall Converter: 2,000 - 2,400 RPM Recommended Spark Plugs: Champion 792 with. Recommended Flex Plate Or Flywheel: 350 Weighted (1-Piece Rear Main Seal Externally Balanced) Includes: Valve Covers, Oil Pan, Timing Cover, Brass Freeze Plugsĭoes Not Include: Spark Plugs, BluePrint Spark Plug Wires, Short Aluminum Water Pump, Harmonic Balancer, Flex Plate Or Flywheel, Or Air Cleaner Elevation, Re-Jetting May Be Requiredĭistributor: BluePrint or MSD Pro Billet, Initial Timing Set To 10-16 Degrees & Total Timing 32-34 Degrees ![]() Intake Manifold: Single Plane Satin Aluminum, Similar To Edelbrock Performer RPMĬarburetor: 850 CFM AED or Holley, Manual Choke, Jetted For 2,150 Ft. 577 Exhaust, 240 Intake, 248 Exhaust Duration 112 Lobe Separation 500 Lift & 28" Of Vacuum, Fits Perimeter & Center Bolt Valve CoversĬamshaft: Aggressive Hydraulic Roller. Rotating Assembly: 4340 Forged Steel Crank w/4.000" Stroke, 4340 Forged 6" Rods with 150,000 PSI Bolts, Forged Aluminum 10.0:1 Pistons, Hastings Moly Rings, Melling High Volumne Oil Pump, Heavy Duty Double Roller Timing ChainĬylinder Heads: BluePrint 23 Degree Aluminum, 64CC Chamber, 220cc Intake & 67cc Exhaust Runners, 2.08" Intake & 1.60" Exhaust Stainless Valves w/Swirl Polished Undercut Stem, 5 Angle Valve Job, Chrome Nickel Valve Seats, Manganese Bronze Valve Guides, Chromeoly Retainers, 7 Degree Valve Locks, Roller Rocker Arms, Dual Valve Springs, Guideplates, 7/16" Rocker Arm Studs w/Guide Plates For 5/16" Pushrods, & Viton Valve Stem Seals, Intake Flows 254 CFM & Exhaust Flows 208 CFM. Block: New 4 Bolt Main World Products Cast Iron, 2 Piece Rear Main Seal, Driver Side Dipstick, 4.125" Bore, Squared & Parrallel Decked, Align Honed Main Bearing Bore, Cylinders Are Sonic Tested For Thickness
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