Regardless that the Blacktop head incorporates a more open combustion chamber (see “Head combustion- chambers”) it still has the next static compression ratio (see “compression ratio”), this is solely due to the piston structure. The Silvertop piston incorporates a quite compact dome with two deeply angled exhaust flycuts, two reasonable https://toyota4ageengineforsale48158.blogscribble.com/31404255/indicators-on-4age-20v-you-should-know