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Thread: Can i run a small blower with 9.6:1 compression?

  1. #1

    Can i run a small blower with 9.6:1 compression?

    Can I?

    I am not worried about gaining a huge amount of HP but i like the look of a blower.
    Here are the specs on my engine:

    Power: 430 HP @ 6000 RPM, 430 ft. lbs. of torque @ 4200 RPM
    Displacement: 350 CID, 5.7L
    Bore x Stroke: 4.00 x 3.48
    Compression Ratio: 9.6:1
    Recommended Fuel: 92 Octane
    Block: Cast Iron, 1 piece rear seal, 4-bolt main caps
    Crankshaft: Forged Steel
    Connecting Rods: Powdered Metal Steel
    Pistons: High Silicone Aluminum
    Camshaft: Steel Hydraulic Roller Tappet
    Cam Lift: .525 Intake / .525 exhaust
    Cam Duration @ .050: 218 deg. Intake / 228 deg. Exhaust
    Lobe Separation: 112 Degree
    Cylinder Heads: Aluminum, 3/8 screw-in rocker studs
    Combustion Chamber: 62cc
    Valves: 2.00 Intake/ 1.55 Exhaust
    Rocker Arms: Aluminum Roller, 1.6:1 Ratio
    Valve Springs: 12551483
    Balance: Internal
    Maximum GM Recommended RPM: 5800
    Ignition Timing: Base 10 degrees BTDC, 32 degrees total

  2. #2
    Yes, but you have to run very low boost and really good fuel... I've seen one combo similar to yours run about 4 lbs of boost, and they had to run 110 to keep it from detonating... Just keep your timing and boost down, you should be ok....

  3. #3
    Junior Member SHOW GUEST
    Join Date
    Nov 2004
    put a thicker head gasket

  4. #4
    yes you can run a blower just dont over drive it and run good fuel and keep the timming down and you will be fine

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