Regardless that the Blacktop head encompasses a extra open combustion chamber (see “Head combustion- chambers”) it continue to has a greater static compression ratio (see “compression ratio”), this is purely due to the piston style. The Silvertop piston contains a very small dome with two deeply angled exhaust flycuts, two https://bookmarksfocus.com/story4034569/the-best-side-of-blacktop-4age-for-sale