Thread: Sealed Power Piston Rings
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05-14-2016 03:52 PM #1
Sealed Power Piston Rings
I know this question has probably been asked a thousand times about gapping rings.
What I need to know is what gap to use for my first and second rings?
My rings are Sealed Power E251K 30.
The engine is a blown chevy 350. Low boost.
I have been told the top ring should be between .022 .024 and the second ring
.018 .022.
I'm not sure, so I thought I better check with you guys who have built many engines with blower setups.
Thanks. Jeri
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05-14-2016 09:17 PM #2
Thanks, Denny. It helps a lot. I appreciate you getting back with me.
Jeri
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05-15-2016 06:42 AM #3
Nice chart Denny
For normal street oem type stuff buils---------rule of thumb is .004 per inch of bore size-so usually .016 ( 4.00 bore ) to .018 ( up to 4.500)
Special pistons have unique heat flow paths and generally ring/ piston manufacture will have specific breakdown of gap ranges for usage of engine-----!~E--- A Nascar 9000+rpm will have different gap than a 2 kids in the back seat sedan/wagon
Great to see your new post, Mike, and great to see CHR up and running again after several days of the Hmmm, can't reach this page.... Also good that you found an easy solution to your storage/access...
1968 Plymouth Valiant 1st Gen HEMI