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gapping piston rings

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Jul 17, 2007 | 06:38 PM

#1

thewhitewarrior

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From: in the engine bay

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gapping piston rings

i am in the process of a rebuild on an sti closed dec engine, i am ready to fit the rings but i need to know what they need to be gapped at, the pistons are oversized by 0.5mm if that matters, cheers phil.

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Jul 17, 2007 | 06:46 PM

#2

Mongo

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From: Oxford

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The supplier should be able to tell you this. Think it varies between pistons, cast/forged etc. 3thou for every inch dia springs to mind, but prob not relevent lol

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Jul 17, 2007 | 08:11 PM

#3

thewhitewarrior

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ok, ill pm the supplier, i forgot to mention they are forged pistons, thanks, phil.

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Jul 18, 2007 | 06:04 PM

#4

thewhitewarrior

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they said these std ones are already gapped, so no worries.

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