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#5 |
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Join Date: Jul 2016
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And if you have the tools, the extra parts and some "research time", you can also explore those two accepted tolerances:
-Cylinder heads are additionally restricted in that they must retain original-size valves at original angles +/- 1 degree -Valve-diameter tolerance: +.005-inch or -.015- inch from NHRA Specs. It can be negigible or you can have something extra there... |
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