Although the Blacktop head contains a much more 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 layout. The Silvertop piston encompasses a extremely smaller dome with two deeply angled exhaust flycuts, two https://4age20vforsale61470.newbigblog.com/37412500/the-basic-principles-of-blacktop-20v-4age