Thanks for all the info! I did the adjustment last weekend. Ran the engine for 30 minutes and adjusted them with the engine running. Few were loose and I also found a couple of problems. But the ol 300 runs like a top. Thanks again.


1966 C10 292/tko600 http://67-72chevytrucks.com/vboard/showthread.php?t=596643
1964 C20 292/sm420