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The Terminator
Engine/Tuning
Looking for opinions on piston ring gap
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<blockquote data-quote="SlowSVT" data-source="post: 15263598" data-attributes="member: 20202"><p>Malcolm, I responded to your post but the site locked-up on me again and I lost the post.</p><p></p><p>I'm having a hard time believing all that oil consumption is due to a gapless compression ring with a conventional ring in the middle. The are 2 oil control rings with are there for that very purpose and it appears they are not doing their job. Total Seal has been making gapless rings for decades if they have such a high failure rate they would have stopped making them years ago. Your problem does not even appear to be the gapless ring related but an oil control issue I would be looking very hard at the hone. <u>Just about every oil control problem I've seen on brand new engines stems from too fine a honing finish</u> that won't abrade the ring surface allowing them to seat to one another. Imagine polishing the cylinders on a brand new engine it will blow oil like there is no tomorrow the rings will never seat.</p><p></p><p>The valve stem oil blow-by claim is completely bogus. Imagine the vacuum being pulled when you let off the gas at high rpm's compared to idle. Did you use Teflon seals?</p></blockquote><p></p>
[QUOTE="SlowSVT, post: 15263598, member: 20202"] Malcolm, I responded to your post but the site locked-up on me again and I lost the post. I'm having a hard time believing all that oil consumption is due to a gapless compression ring with a conventional ring in the middle. The are 2 oil control rings with are there for that very purpose and it appears they are not doing their job. Total Seal has been making gapless rings for decades if they have such a high failure rate they would have stopped making them years ago. Your problem does not even appear to be the gapless ring related but an oil control issue I would be looking very hard at the hone. [U]Just about every oil control problem I've seen on brand new engines stems from too fine a honing finish[/U] that won't abrade the ring surface allowing them to seat to one another. Imagine polishing the cylinders on a brand new engine it will blow oil like there is no tomorrow the rings will never seat. The valve stem oil blow-by claim is completely bogus. Imagine the vacuum being pulled when you let off the gas at high rpm's compared to idle. Did you use Teflon seals? [/QUOTE]
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Looking for opinions on piston ring gap
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