need help with piston rings Cat 25

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t20dozer

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Heres my problem im in the middle of rebuilding my 25 and the piston rings all measure 1/8 same goes for oil ring. I talked to hastings and they say there set is 3/16 rings not 1/8. The other problem i have 4 comp rings per piston ... hastings says only 2 per piston. the metal between the rings measures .1145 seems not much would be left to machine pistons for 3/16th rings. Does anyone know where i might find rings?

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Sat, Jul 31, 2010 8:03 AM

side-seat

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Location: Pittsburgh PA

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How about looking through some Chevy rings. 4" bore are a dime a dozen and there's bound to be one that will fit.
I see you're close to National Pike. Are you going in two weeks?

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Sat, Jul 31, 2010 8:35 AM

acat65

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Reply to side-seat:

How about looking through some Chevy rings. 4" bore are a dime a dozen and there's bound to be one that will fit.
I see you're close to National Pike. Are you going in two weeks?

call Dave Reed at Otto Gas engine works ,at Elkton Md 410-398-7340 or www.pistonrings.net You will find him very helpful Gene

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Sat, Jul 31, 2010 10:47 PM

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