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Please Help me UNdestroy my motor...

Discussion in 'The Garage' started by 78Suburban, Oct 1, 2005.

  1. 78Suburban

    78Suburban 1/2 ton status

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    read my other recent thread if this post doesn't make sense
    Alright yall. a few quick questions...

    1) when I turn the motor over by hand (with wrench on bottom pulley), do I need to take out the spark plugs, or can it be done with the plugs in?

    2) what type of wrench or allen wrench does the plug above the filter take that I could put a sensor in??

    3) once I get the timing close by finding TDC and aiming the rotor toward #1 piston, how do I precision tune the timing, and what should it be set at?
     
  2. bobalob

    bobalob 1/2 ton status

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    1 if you take out plugs it is easier(no compression) but you dont have to.

    2 dont know

    3 precision tune with timing light, i started at 10 and adjusted from there
     
  3. clarkjw24

    clarkjw24 1/2 ton status GMOTM Winner

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    IIRC its just a 3/8 racket head.
     
  4. 78Suburban

    78Suburban 1/2 ton status

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    I can't even find the mystery plug above the oil filter, does anyone have an engine on a stand that they could snap a photo of for me ? purty please... all I see are two holes that don't appear to have any kind of plug in them...
     
  5. dave_90_blazer

    dave_90_blazer 1/2 ton status

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    here you go, I just happened to have one on a stand

    btw, if it is this type of plug, it is 9/16, if it is a square hole, it is 5/16 square drive, if allen, it is probably 5/16 allen

    PA010042 (Small).JPG
     
  6. 78Suburban

    78Suburban 1/2 ton status

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  7. dave_90_blazer

    dave_90_blazer 1/2 ton status

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    what do you still need to know? all your questions have been answered
     
  8. mikey_d05

    mikey_d05 1 ton status GMOTM Winner

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    He topped it so I could find it and send him the picture because he's not a member. He said thank you very much by the way.
     
  9. dave_90_blazer

    dave_90_blazer 1/2 ton status

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    OK,. your welcome
     

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