Quote:
Originally Posted by Russ/40
Not if the degradation is due to burnt valves. Run them too tight and they will burn. Not having an engine open currently to check your adjustment technique, frankly I don't know if it is valid. I do know that is not going to put you directly on the heel of the cam. You mention your engine was built. When assembled, who adjusted the valves initially? Was it you with the method you have described?
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The valves were adjusted by the machine shop. The valves would not all change at the same exact time resulting in the exact same drop from 100 to 65 in each cylinder of the engine. Only change I have made on the valve lash is to increase the exhaust valve lash from 12 to 14. We used the exhaust valve lash setting Ford gave in 1940 and then changed it to the new listing of 14 Ford came out with in 1947.