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Thread: I can't decide what engine to build....need advice
          
   
   

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  1. #1
    1983_prostreet_'s Avatar
    1983_prostreet_ is offline CHR Member Visit my Photo Gallery
    Join Date
    Mar 2009
    Location
    Blair
    Car Year, Make, Model: 1983 GMC Seirra Pro Street
    Posts
    75

    Check out this link here...the guy builds a 500hp engine for a little over $5000.00
    http://www.hotrod.com/projectbuild/h...d/outcome.html
    VROOM, VROOM,...BOOM!!!!

  2. #2
    techinspector1's Avatar
    techinspector1 is offline CHR Member Visit my Photo Gallery
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    May 2003
    Location
    Zephyrhills, Florida, USA
    Car Year, Make, Model: '32 Henway
    Posts
    12,423

    This cam is gonna want a lot of initial ignition timing and the heads will probably want somewhere around 36 total. Use 20 at the crank and 16 centrifugal. Use manifold vacuum for the vacuum advance cannister. If the motor is hard to get cranking speed up when you go to start it because of the 20 initial at the crank, install a momentary button on the dash to kill ignition voltage to the coil while you get the motor spinning, then release the button.

    Not knowing your level of expertise, I'll link Isky's tutorial for installing the cam and degreeing the damper. Use either a fully degreed damper or find TDC on your stock damper and use a timing tape on it so you can properly ignition time the motor once it's together.
    http://www.iskycams.com/camshaft.php

    Advancing the cam 2 degrees will change the figures shown on the cam card. Intake centerline will be at 104 degrees ATDC, exhaust centerline will be at 116 degrees BTDC and timing events will be 37/65/77/25 @ 0.015" cam lift.
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    Last edited by techinspector1; 04-09-2009 at 02:11 PM.

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