Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks

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VCCA Home Forums TECHNICAL - 1945 AND EARLIER 1929-1932 1931 spark plug gap & engine timing

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1931 spark plug gap & engine timing #9368 07/13/04 09:44 PM
Joined: Jul 2004 Posts: 118 Armonk, New York (40 miles Nor... yellowcabguy OP Shade Tree Mechanic
OP yellowcabguy Shade Tree Mechanic Joined: Jul 2004 Posts: 118 Armonk, New York (40 miles Nor...	Hi, Need advise on spark plug gap and engine timing. If spark plug gap is 24 then timing (according to book )should be factory mark (12 degrees) Have been advised to gap sparkplugs to 40 and change timing to 18 degrees. Has anyone had experience with this? John 31 Chevy Sedan 55 Pontiac Starchief Convertible www.rdgsons.com/vcca/yc1.jpg

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Re: 1931 spark plug gap & engine timing #9369 07/13/04 10:24 PM
Joined: Nov 2001 Posts: 29,863 Eagle Point, Oregon Junkyard Dog Tech Advisor ChatMaster - 25,000
Junkyard Dog Tech Advisor ChatMaster - 25,000 Joined: Nov 2001 Posts: 29,863 Eagle Point, Oregon	Yes, lots of dudes have done it over the years and it works great! Your power will be increased and the occasional "popping" out the tail pipe at idle will be eliminated. By the way, I have my spark plugs gapped at .045" and it works even better! :cool2: The Mangy Old Mutt "If It's Not Junk.....It's Not Treasure!"

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