Regardless that the Blacktop head contains a additional open up combustion chamber (see “Head combustion- chambers”) it even now has a better static compression ratio (see “compression ratio”), this is purely due to piston style. The Silvertop piston encompasses a pretty little dome with two deeply angled exhaust flycuts, two https://dantenljhe.amoblog.com/everything-about-blacktop-4age-53293733