Re: 1977 Garelli NO1

Joe Woods /
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nah.. "stupid" is ignoring the problem.. so you wouldn't qualify.

Why wasn't it making noise all the time? Seems like noise from the piston hitting something would be even more obvious at idle than when flying up a hill..

But piston-to-head clearance does shrink at high engine temperatures.. or the gasket's sharp edge could have been getting red-hot and actually pre-igniting the mixture..

in any case, tomorrow will tell the story..

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