THE 2-MINUTE RULE FOR 4AGE BLACKTOP ENGINE FOR SALE

The 4A-GE engines to the 1985 model year are often called "blue best" rather than the afterwards "purple top rated" engines, as the paint color on the valve covers differs, to indicate the different engine revision, using diverse port sizes, distinct airflow metering, together with other minor variances to the engine.When its By natural means aspir