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  1. J

    4.3L valve adjusment

    I am almost finished rebuilding my 4.3L mercruiser Engine model A615896 and running into a problem with my cold valve adjustmet. According to the manual I got (CLYMER 86-94) #1 piston is at TDC. Timing cover is off and lined up for TDC.Book says adjust Intake 1,2,3 Exhaust 1,5,6.Problem is...
  2. J

    4.3L will not idle

    I have a 4.3L GM in a 1986 wellcraft. I cannot get it to idle everytime I get to about 900rpm it ends up stalling out. I have pulled the throttle linkage off and it acts really strange when I open the throttle it runs up just fine and when I close the throttle it does not back down right away...
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