Seems logical that the 4V engines can run with tight clearances as the 2V does. In my primitive mind the reduction of clearances must be a better method of control and enhance half ring reliability. Not that there is a problem in that area with the testastrettas.
I'll sit back and watch the thread for a while before going for that .0015 feeler gage.
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02 998 La Strega Bella
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