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The Terminator
Engine/Tuning
Looking for opinions on piston ring gap
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<blockquote data-quote="MalcolmV8" data-source="post: 14878041" data-attributes="member: 8854"><p>I decided to call Total Seal tech support and see what I got. Calling any manufacture's tech support is always hit or miss. You either get a dedicated knowledgable person who's been in the industry for many years who's very well versed and experienced in the industry or a phone monkey they hired to answer phones that doesn't know jack. I was very pleased to get type A.</p><p></p><p>He did not feel I should be getting much blow by at .025 and felt other factors were probably in play. The conversation of gapless 2nd ring came up. Something I had initially not even considered because my machine shop told me only for low HP N/A motors. Total Seal said that's complete BS and that 80% of all the rings they sell are gapless. He recommends only a 2nd ring been gapless on the street because the motor will pull so much vacuum with no ring leaks that you'll be sucking oil by the valve guides/seals and every where else possible unless you have very good valve job etc. He said motors that idle at 18 inches of vacuum will jump to about 24 inches of vacuum by going gapless rings. That's huge.</p><p></p><p>So by doing my 2nd ring gapless I'll drastically cut down on blow by, increase hp and efficiency a little too. Seems like a win win. $140 to purchase a gapless 2nd ring set or send back the set I have now with $90 and they'll convert them (or swap them out or however that works) and have them back to me in 24 hours. I think I found my answer <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>He also said he owned his own machine shop for 30 years and in his experience filing ring gaps without torque plates only opens up the gap .001. So if I'm shooing for .025 he said file to .024 and you're good.</p></blockquote><p></p>
[QUOTE="MalcolmV8, post: 14878041, member: 8854"] I decided to call Total Seal tech support and see what I got. Calling any manufacture's tech support is always hit or miss. You either get a dedicated knowledgable person who's been in the industry for many years who's very well versed and experienced in the industry or a phone monkey they hired to answer phones that doesn't know jack. I was very pleased to get type A. He did not feel I should be getting much blow by at .025 and felt other factors were probably in play. The conversation of gapless 2nd ring came up. Something I had initially not even considered because my machine shop told me only for low HP N/A motors. Total Seal said that's complete BS and that 80% of all the rings they sell are gapless. He recommends only a 2nd ring been gapless on the street because the motor will pull so much vacuum with no ring leaks that you'll be sucking oil by the valve guides/seals and every where else possible unless you have very good valve job etc. He said motors that idle at 18 inches of vacuum will jump to about 24 inches of vacuum by going gapless rings. That's huge. So by doing my 2nd ring gapless I'll drastically cut down on blow by, increase hp and efficiency a little too. Seems like a win win. $140 to purchase a gapless 2nd ring set or send back the set I have now with $90 and they'll convert them (or swap them out or however that works) and have them back to me in 24 hours. I think I found my answer :) He also said he owned his own machine shop for 30 years and in his experience filing ring gaps without torque plates only opens up the gap .001. So if I'm shooing for .025 he said file to .024 and you're good. [/QUOTE]
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Looking for opinions on piston ring gap
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