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Engine builder Ed Taylor of Ventura Motorsports carefully set the ring endgap for both the top and second Speed-Pro single moly rings. He set the second rings at a wider 0.022-inch based on information we received from Speed-Pro that shows that relieving pressure between the top and second rings aids top ring seal, thereby reducing cylinder pressure loss and blow-by.
Chevy Small-Block Power

Engine builder Ed Taylor of Ventura Motorsports carefully set the ring endgap for both the top and second Speed-Pro single moly rings. He set the second rings at a wider 0.022-inch based on information we received from Speed-Pro that shows that relieving pressure between the top and second rings aids top ring seal, thereby reducing cylinder pressure loss and blow-by.  View Related Article