Thanks for all the good info here as there is alot of confusing info out there. Back in the '60's we gapped everything automotive at 035. Then the '70's came along and 045 was THE gap to use. After reading this thread, I'm going back to .035 on the Pontiac. The late model cars I can't decide on what to do (like my wife's 2018 Ford escape with direct FI). Manual spec is probably best.
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GTOAA--https://www.gtoaa.org/
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