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Old 06-05-2010, 07:28 PM   #10
28RPU
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Join Date: May 2010
Location: South central Tenn
Posts: 375
Default Re: 312 Y-block valve lash problems

I don't think this is your particular problem,but I used to have trouble with my old 292 losing adjustment on 2 or 3 rockers. It turned out to be the bolts that held the rocker assembly to the head were pulling out every time I tried to adjust it. The bolts were soft and were stripping their threads off.
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