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Thread: Strokers and timing tabs
          
   
   

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  1. #1
    4speedTerror's Avatar
    4speedTerror is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 73 Z28
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    Strokers and timing tabs

     



    Ok here is a stupid question....but i have to ask.
    Ever since my motor has been put together, i have a reading of over 16 degrees initial timing(yes i have the vacuum advance unplugged) So either my timing tab has moved, or a stock timing tab wont work with the stroke? i know it sounds dumb....but i am running out of ideas. And if my timing tab has moved....how the hell do i fix that? I would assume TDC the motor and adjust accordingly?

    any input would be nice. And the motor runs great....this is very weird.

    ps no the balancer has NOT slipped.

  2. #2
    pat mccarthy's Avatar
    pat mccarthy is offline CHR Member/Contributor Visit my Photo Gallery
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    how do you know the balancer has not slip and the same tab i use for a396- 454--540--572-581 is the same one i have used on 632 if the damper is the same size the crank stroke has not one thing to do with the tab

  3. #3
    4speedTerror's Avatar
    4speedTerror is offline CHR Member Visit my Photo Gallery
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    Well i figured the stroke had nothing to do with it what so ever, but i am just racking my brain.
    And come to think of it, your right. How would i know if the balancer has moved or not.

    I just replaced the intake gaskets. Before i removed the Dist. i marked it so i wouldnt loose my timing position. I replaced the dist. back in the exact same spot. I went to light the car and she fired right up, no missing or poor running. But i noticed the car was running much fatter. There was a lot of black smoke, and the smell of raw fuel. Before this, the car never once smoked....well except for the rear mickies.

    Anyway i went and shot the light at it, and it showed almost 18 initial timing hhhmmmm. So i went back and checked the carb over, all the settings seemed un-changed.
    So now i am just sitting here scratching my head. Hell maybe from day one the balancer has been wrong.

  4. #4
    pat mccarthy's Avatar
    pat mccarthy is offline CHR Member/Contributor Visit my Photo Gallery
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    every engine i bulid i check TDC and reset O on the tab i drill ahole in the tab so it will not get painted over or buy a hi rent one that you can set you need to find TDC and see it it hit on O

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