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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: 14878019" data-attributes="member: 20202"><p>I get nervous about tightening up the ring gap. Get that wrong and the block gets another visit to the boring bar. I think .025 gap top ring and .020 on the second ring is fairly standard on this engine. I don't have any experience with E85 which may allow you to pull the gap "in" a bit. Using a torque plate to gap the rings can't hurt but I wouldn't loose sleep over it even more so with an iron block. If it changed the gap reading by more than .001 - .002 the effect on the ring gap would be the least of my concerns.</p><p></p><p>Have you considered a gapless 2nd ring?</p></blockquote><p></p>
[QUOTE="SlowSVT, post: 14878019, member: 20202"] I get nervous about tightening up the ring gap. Get that wrong and the block gets another visit to the boring bar. I think .025 gap top ring and .020 on the second ring is fairly standard on this engine. I don't have any experience with E85 which may allow you to pull the gap "in" a bit. Using a torque plate to gap the rings can't hurt but I wouldn't loose sleep over it even more so with an iron block. If it changed the gap reading by more than .001 - .002 the effect on the ring gap would be the least of my concerns. Have you considered a gapless 2nd ring? [/QUOTE]
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Looking for opinions on piston ring gap
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