THE BASIC PRINCIPLES OF BLACKTOP 20V 4AGE

The fourth-era 4A-GE engine was developed from 1991 to 1995. It's silver cam covers with chrome lettering, as a result the nickname "silver major". This engine another time functions a completely new cylinder head which takes advantage of five valves for every cylinder in lieu of four. It uses Toyota's Variable Valve Timing (VVT) system around the