A SIMPLE KEY FOR 4AGE 20V ITB UNVEILED

Pictured are The pinnacle side of the two manifolds, The underside manifold becoming the Blacktop, observe how it has 4 added bleed details for that air into a standard chamber.4a. I'd claim that it might be abundant at idle as the excess air leaking thru the throttles is dropping the manifold vacuum as well as the ECU is incorporating added gas. I