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Click on image for the lowdown. 
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8 members (Jon G, DadsFirstPickup, GradyB, walterhvogel, JW51, Jay R, moparguy, 1 invisible),
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Global Mod,
Mod | | | Forums66 Topics128,080 Posts1,055,944 Members48,430 | | 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: 29,780 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,780 | The reason for the wide ring gap is cylinder wear, and it won't be equal from top to bottom. The major amount of cylinder wear happens in the top 1 1/2" or so of piston travel, resulting in constant flexing of the rings trying to maintain contact with the cylinder walls. Even if you hone and re-ring the cylinders, the new rings will lose their tension in a very short time due to excessive flexing. If the cylinder taper exceeds .005", do not attempt to re-ring the engine- - - -rebore it and install oversized pistons and rings. There is a very simple way to measure cylinder taper using an old ring and a feeler gauge, if you're interested in finding out how much taper your cylinders have. 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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