Hot Rod Forum banner
vacuum leak
1-1 of 1 Results
  1. Engine
    Just replaced the top end on a 305 with stock cast heads and an aluminum intake, Everything works fine run it around town for a few days it is all good. Take it out on the hiway and run it a little hard and I get a vacuum leak. This is the second intake and have tried gaskets from Mr. Gasket and...
1-1 of 1 Results