A SECRET WEAPON FOR 4AGE ENGINE SALE

Re: ITB Conversion on sixteen valve 4AGE On my stock bigport AW11 a leaking exhaust manifold gasket triggered the O2 sensor to study lean and it pumped gas in the motor. Gasoline economy plummeted until I sorted it out.This helps make positive the throttle plate is totally shut, but helps prevent it from impacting to the throttle bore and cutting a