Though the Blacktop head features a much more open up combustion chamber (see “Head combustion- chambers”) it continue to has a higher static compression ratio (see “compression ratio”), this is purely due to the piston style and design. The Silvertop piston includes a very tiny dome with two deeply angled https://4age20vblacktopforsale88346.like-blogs.com/31209036/5-easy-facts-about-toyota-4a-ge-described