4 bent exhaust valves? What causes this?

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11-11-2010, 12:06 PM

#16

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Quote:

Originally Posted by GregBBRD

I've seen USA engines with bent valves. You get some carbon in there and the entire "interference" thing changes. I'd not want the belt to break on my Euro S engine....regardless of the compression ratio.

+1

I've seen multiple broken timing belts on 944 Turbo's with & without bent valves (mostly without) and my 944S with a 10.9"1 CR is definitely an interference motor, yet when my cam chain broke both cams were destroyed, no bent valves.

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