THE ULTIMATE GUIDE TO 4AGE 20V

The fourth-era 4A-GE engine was created from 1991 to 1995. It's got silver cam addresses with chrome lettering, hence the nickname "silver major". This engine all over again functions a completely new cylinder head which works by using 5 valves for each cylinder instead of four. It takes advantage of Toyota's Variable Valve Timing (VVT) technique t