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Thread: Hot Street 396 build, dyno numbers?
          
   
   

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  1. #1
    69elko's Avatar
    69elko is offline CHR Member Visit my Photo Gallery
    Join Date
    Jan 2007
    Location
    San Jose
    Car Year, Make, Model: 1969 El Camino SS396 350HP
    Posts
    227

    Hot Street 396 build, dyno numbers?

     



    Ok, just put the engine in my car, it's going in my '69 El Camino with a Muncie M-20 4speed and 3.90 gears.

    Here it is...
    -396 Big Block Chevy bored .030, makes 402ci.
    -Small domed pistons, 17cc.
    -Edelbrock Air Gap RPM intake manifold, port matched.
    -750cfm Holley carburator
    -Doug Thorley headers, 1.75" primaries with 3" collector. Open Exhaust.
    -10.4-1 compression
    -Heads are 1967 GM closed chamber oval ports- 255cc intake port, pocket ported, chambers polished, flowed 271cfm at .500 lift. 2.065 intake valves, 1.72 exhaust valves. Combustion chamber size is 96.4 cc's.
    -Comp 1.72 roller rockers

    Camshaft Specs:
    -Iskendarian Z-45 camshaft, solid flat tappet, 240 degrees duration @.050 on both intake and exhaust.
    -with a 1.72 ratio roller rocker makes .503 lift at the valve. This already has the .018 lash taken out.
    -Cam Timing @ .050----Intake opens 12 degrees Before TDC, Intake closes 48 degrees After BDC. Exhaust opens 48 degrees Before BDC, Exhaust closes 12 degrees After TDC.
    -108 LCA
    Last edited by 69elko; 05-08-2007 at 05:04 PM.

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