Even though the Blacktop head contains a much more open combustion chamber (see “Head combustion- chambers”) it nonetheless has a greater static compression ratio (see “compression ratio”), this is solely because of the piston layout. The Silvertop piston incorporates a very little dome with two deeply angled exhaust flycuts, two https://bookmarkboom.com/story18503575/the-best-side-of-blacktop-4age-for-sale