Even though the Blacktop head includes a extra open up combustion chamber (see “Head combustion- chambers”) it still has a better static compression ratio (see “compression ratio”), this is only because of the piston design and style. The Silvertop piston contains a extremely modest dome with two deeply angled exhaust https://socialwoot.com/story20072478/helping-the-others-realize-the-advantages-of-blacktop-4age