While the Blacktop head contains a extra open up combustion chamber (see “Head combustion- chambers”) it nevertheless has a higher static compression ratio (see “compression ratio”), this is solely due to the piston structure. The Silvertop piston features a very smaller dome with two deeply angled exhaust flycuts, two reasonable https://4age-blacktop-engine-for77282.widblog.com/86361590/the-2-minute-rule-for-4age-20v-for-sale