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| | | Forums66 Topics128,033 Posts1,055,531 Members48,425 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Feb 2004 Posts: 29,759 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,759 | .060" and even .080" gaps were recommended on some engines in the late 1980's when the fuel injection mixture was so lean that some misfires were occurring with the usual .045" gap due to a lack of properly atomized fuel between the insulated and the ground electrodes. The coil on most 50KV+ HEI systems will fire a plug reliably with the ground electrode completely missing, so stressing the coil is not an issue. Any gap from .035" to .080" or more will run a stovebolt engine with a carburetor- - - - -set it anywhere you choose!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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