While the Blacktop head includes a additional open up combustion chamber (see “Head combustion- chambers”) it even now has a better static compression ratio (see “compression ratio”), this is solely due to the piston style. The Silvertop piston contains a extremely compact dome with two deeply angled exhaust flycuts, two https://finnrozod.bloggerchest.com/31239951/the-smart-trick-of-toyota-4a-ge-that-nobody-is-discussing