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Old February 13th, 2020, 09:08 PM   #1
David Claflin
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Join Date: Oct 2004
Location: The Redneck Riviera (AKA Ft.Walton Beach Floriduh)
Age: 58
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Default Need some help with ring selection for an old TRW piston

They were given to me several years ago, finally getting around to using them, but wondered what rings they should get.
They've got 3798-36 on the top, they're for a 331/347. I'm planning to use them in a 331 with a 5.4" rod. I think, but wanted to verify that they take a 1/16", 1/16" and 3.0MM oil ring. Anyone know.....Mark??

Was basing my speculative numbers on what I found here:
1990 Red LX, 4:30's, T5, lightened, glorified explorer motor, fun track car/daily driver 7.49@91
1985 LTD LX small truck motor and painted axle tubes/daily driver, 3640 pounds, 7.87@86.8

Last edited by David Claflin; February 13th, 2020 at 09:12 PM.
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