The Cummins V8 features a compacted graphite iron (CGI) engine block topped by aluminum alloy cylinder heads, a forged steel crankshaft, and dual overhead camshafts. The other Cummins V8 turbo ...
Other changes to the Cummins to meet the emission standards ... The injection rate and total lift of these plungers is controlled by a camshaft, which is rotated by a pump rack.