Finally, thanks to Summit Racing for supplying a large pile of 38- and 12-inch Allen pipe plugs to seal up many of these manifolds. The Holley intakes came with plugs, though most of the other ...

The old-fashioned way tofind an exhaust leak is to pour a pint of automatic transmission fluiddown the carburetor, which creates intense white smoke, then plug ... manifold-to-head-pipe seal ...

Building engine performance in the face of limited intake manifold function. ... Rocker-arm ratio and primary header pipe are two possible “tuning ... Spark plugs This dealt with heat ...