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Up top, Taylor added a pair of Fel-Pro 0.049-inch-thick head gaskets, again in search of a little less squeeze. Combining the gasket, the 0.005-inch deck height, the 72cc Dart chambers, and the dished pistons, compression ended up at 9.7:1, which should keep the engine out of detonation on 92-octane pump gas.
Chevy Small-Block Power

Up top, Taylor added a pair of Fel-Pro 0.049-inch-thick head gaskets, again in search of a little less squeeze. Combining the gasket, the 0.005-inch deck height, the 72cc Dart chambers, and the dished pistons, compression ended up at 9.7:1, which should keep the engine out of detonation on 92-octane pump gas.  View Related Article