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Thread: The more I learn, the less I know...
          
   
   

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  1. #7
    run_gmc's Avatar
    run_gmc is offline CHR Member Visit my Photo Gallery
    Join Date
    May 2005
    Location
    Spartanburg
    Car Year, Make, Model: 90 GMC Sierra 1500
    Posts
    17

    Thanks to all of you...
    HRP: it's rebuilt, but the cam is not radical (.434 int / .444 exh).

    Pro60: Good list... thanks...

    Tech: mebbe, but...

    robot: interesting point about the rods / holes. Both heads are the same casting# 14102193. Driver side bank has round holes for the rods / pass side has elongated holes. Rockers on d/side are correct part, with "stops" on the edges to keep the rod in the vacinity of the valve. p/side had different rockers... smooth and nothing to guide the rods. I was able to move a rocker almost completely off the rod by hand. Could this be the "smoking gun"?
    Still can't rule out karma...

    Dave: #12 is rat on da money :-)

    Tonight, I changed all rods and rocker assemblies. hand cranked it around 'n around to look for potential problems / binding / etc.
    All looks ok, but i'm a little nervous about actually starting it. Thinking about using it for a planter, or really big yard art... sigh... shoot, I guess i'll polish up the ol' cajones and crank her up
    Last edited by run_gmc; 05-25-2005 at 07:18 AM.

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