INDICATORS ON BLACKTOP 20V 4AGE YOU SHOULD KNOW

The 4A-GE engines with the 1985 model yr are often called "blue top" instead of the later on "purple top rated" engines, since the paint shade to the valve handles differs, to indicate the several engine revision, working with distinctive port dimensions, distinctive airflow metering, as well as other minor distinctions within the engine.Stroking t