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E12 Head Thickness Limits

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Guest Anonymous

What is the limit for head thickness ? Stock is 129 mm. Factory manual says 0.5 mm maximum removal. Anyone have any practical experience beyond that ? Can you compensate with a thicker head gasket ?

Thanks for the help

Chuck in NC

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Guest Anonymous

probably would have worked OK with a thicker gasket. Wierd low RPM backfiring and sucking air in the exhaust and out the carb type of thing. Maybe an adjustable cam chain woulds have helped too, swapped heads and all was well.

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Guest Anonymous

I've shaved those puppies down to the valve seat on several,for race application.You must use an adjustable cam gear to get the timing correct.

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