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SLOOPjohnB Sep 30th, 99, 1:50 PM I have a '67 283 and an '86 305. I'm planning the change the spark plugs in each one. What I'd like to know is: How can you find the correct gap measurements? Any help would be greatly appreciated. ------------------ John Baird LaFollette, TN 1967 Malibu 4DR 283, 2-Speed Carl Brune Sep 30th, 99, 3:00 PM The place you buy the plugs from should be able to tell you, their books list plugs and gaps for each application. You can also get it from the Chevy service manual for your 67. This all assumes you have stock ignition. For you 67 you want about 0.033" assuming you are running points. More for HEI. Good luck. --- Carl JWagner Sep 30th, 99, 3:45 PM Specs for the breaker point ignition says to gap at .035 inch and for the HEI is is .060 | ||