Author Topic: 371/372. with 272 single ring piston  (Read 950 times)

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Offline oldpro

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Re: 371/372. with 272 single ring piston
« Reply #20 on: November 24, 2016, 12:52:15 am »
1 ring pistons are fine for racing or even work,but I consider a 2 ring better for longevity,1 ring is less drag and why they used it so much.

 

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