Standard bore 5.3 rings?
Thread Starter
TECH Resident
Joined: Sep 2013
Posts: 994
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From: Mechanicsburg, PA
Standard bore 5.3 rings? I don't ask many questions around here. Most are easily attained through the advanced search function. But this one is alluding me. I would like to run Nitrided steel top rings and Napier steel second rings. I would reuse the stockers and just regap, but some are already too wide. Anyone know a supplier or have another recommendation based on experience with them? 3.78 in bore 1.5, 1.5, 3.0mm package.
The build is just a stock '05 5.3, with a cam and springs. 550-650whp should get the car to the numbers I want to run. So I'd guess 15-20psi range. Running E85 and A/A intercooler. Any other info needed, just ask.
The build is just a stock '05 5.3, with a cam and springs. 550-650whp should get the car to the numbers I want to run. So I'd guess 15-20psi range. Running E85 and A/A intercooler. Any other info needed, just ask.
Thread Starter
TECH Resident
Joined: Sep 2013
Posts: 994
Likes: 120
From: Mechanicsburg, PA
Thread Starter
TECH Resident
Joined: Sep 2013
Posts: 994
Likes: 120
From: Mechanicsburg, PA
Let me add, I don't mind buying rings. This engine was high mileage and the rings looked like crap. Just want to get something that'll live in that environment like the stockers do.
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Joined: Mar 2014
Posts: 7,192
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From: Ohio
I gap my top rings to .030" and 2nd ring to .026". I've never butted rings in an LS before, even at 20+ PSI on pump gas.
Thread Starter
TECH Resident
Joined: Sep 2013
Posts: 994
Likes: 120
From: Mechanicsburg, PA
And you debunked the myth that a larger top gap than second gap will "unload" the top ring and cause excessive blowby! That's what I like about this site, guys have tried about everything.
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Restricted User
Joined: Mar 2014
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From: Ohio
I don't run a PCV either. Open valve cover ports with no filters. No blow-by, ever.
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