Piston knock...how much clearance?

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12-31-2003, 02:29 AM

simonjrwinter simonjrwinter is offline

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Join Date: Jan 2001

Location: upminster, essex, uk, uk

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Piston knock...how much clearance?

I'm about to tear my engine (331 stroker) apart to trace a knock (only done 400 miles) I'll check all the usual things, but roughly how much clearance should I expect to find from my pistons at the bottom of the bores (trying to eliminate piston knock as the cause) I asked the engine shop to re-bore with 3thou clearance (recommended by the piston mfr)
Thanks
Simon

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