Although the Blacktop head incorporates a much more open combustion chamber (see “Head combustion- chambers”) it however has the next static compression ratio (see “compression ratio”), this is only as a result of piston style and design. The Silvertop piston incorporates a very smaller dome with two deeply angled exhaust https://4age-blacktop-engine-for50491.full-design.com/details-fiction-and-toyota-4age-blacktop-engine-for-sale-73947420