Though the Blacktop head features a far more open up combustion chamber (see “Head combustion- chambers”) it nevertheless has an increased static compression ratio (see “compression ratio”), this is only because of the piston layout. The Silvertop piston contains a very modest dome with two deeply angled exhaust flycuts, two https://4age20v36379.izrablog.com/31904837/not-known-facts-about-4a-ge-engine-for-sale