Discovered i have a vaccum leak on the intake manifold gasket, this intake manifold gasket is about a year and a half old, so i ether installed it wrong, or got the wrong intake manifold gasket. When i tell the guys at the part stores that i have a 360 magnum with a 4 barrell intake manifold they look at me like im crazy and cant find me the intake manifold gasket i need. So i was hopin some of you would have part numbers to the right intake manifold gasket that i need... And some tips on installing the intake manifold gasket, do i use gasket maker in the front and the back? and if so what kind of gasket maker? Is there a certain way to tighten the intake bolts? Please share your knowledge with me, once i get the right gasket i am going to take the intake off and install it and hopefully wont have this vaccum leak anymore.