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grant oil ring install.

Posted: Fri Aug 22, 2025 4:52 pm
by bobt
Hello. I'm TRYING to install the grant oil ring on my .030 over aluminum piston I ordered .40 over rings because the old ring gap was too wide. Everything was going fine till I came to the two piece oil ring. The instructions do not say how and the people at grants are gone for the day. My problem is , How do you adjust the inner coil spring that's inside the oil ring? NOBODY had HASTINGS rings

Re: grant oil ring install.

Posted: Fri Aug 22, 2025 6:22 pm
by bobt
I'm guessing that I should grind a bit off of the spring? It does come apart. bobt

Re: grant oil ring install.

Posted: Fri Aug 22, 2025 6:26 pm
by Jack Putnam, in Ohio
"Inner coil spring", it's a coil spring. It will compress. I see no reason to "adjust" it.

Re: grant oil ring install.

Posted: Fri Aug 22, 2025 6:52 pm
by RajoRacer
Just install it - like Jack stated - it's a spring & it will compress just fine - I've installed many & never "adjusted" that piece !

Re: grant oil ring install.

Posted: Fri Aug 22, 2025 7:06 pm
by Dan McEachern
as above,the expander will be ok but check the end gap on both rails. Did you also check the gap on the top two rings? Top two need about .018 gap. About .012 on the oil minimum.

Re: grant oil ring install.

Posted: Fri Aug 22, 2025 7:40 pm
by Dan Hatch
Bob: Don’t let the word out that someone from Va installed GRANT rings in his car. You could be tarred and feathered, then run out of town on a rail. :D

Re: grant oil ring install.

Posted: Sat Aug 23, 2025 5:52 am
by bobt
Thanks Dan. I never thought of that. Like Dylan said " The times they are a'changin". Thank's for all the replies. I'll be installing my DAMN YANKEE rings this afternoon. bobt