DOHC
Dual Over Head Cams

DURATEC
A term used by Ford in referen...

ECM
Engine Control Module

ECOTEC
This term is often used by Gen...

HO
High Output

Powertrain
A term which refers to both th...

RPM
Revolutions Per Minute. Usual...

SOHC
Single Over Head Cam

V-TEC
Variable valve Timing and Elec...

VORTEC
A term used by General Motors ...