Even though the Blacktop head features a more open up combustion chamber (see “Head combustion- chambers”) it however has an increased static compression ratio (see “compression ratio”), this is solely because of the piston style. The Silvertop piston includes a really tiny dome with two deeply angled exhaust flycuts, two https://optimusbookmarks.com/story18464793/the-2-minute-rule-for-jdm-toyota-4a-ge