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Labor Day Putting down your wrenches or time for
MORE wrenching? 
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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!
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| | | | Joined: Jul 2010 Posts: 65 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2010 Posts: 65 | My 37 Chev manual says plug gap should be .040 in one place and .035 in another section
Which one is correct
Chev 1/2ton all original | | | | | Joined: Feb 2004 Posts: 29,742 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,742 | If you're still running the 6V electrical system, I'd reccomend using the .035" setting. Either one will work, but the .040" gap might cause an intermittent miss under heavy load conditions.
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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