After much hart ache my Mach now has Edelbrock Performer Cylinder heads. The torque spec is really high on the heads. 80ft pounds for the long head bolts and 70 ft pounds for the short guys. I actually broke an ARP head bolt!!! I managed to get it out o.k.
I put the intake manifold on the way I usually do. Put the gaskets on dry and I used RTV instead of the little squigly cork jobbers. The intake leaked like a siv It filled the Cylinders with coolant and made a huge mess! I took out all the plugs and flushed the oil and spun out the coolant. I don't think my intake manifold will even come off now. I used RTV around the water passages and Gasgacinch on both sides of the intake gaskets. It is sealed now!! The torque on the intake manifold in only 18ft pounds! (hand tight) so I guess all the RTV and Gasgacinch are necassary? Forget the Edelbrock one size fits all gasket set and use Felpro's if you deside to swap heads!
I put the intake manifold on the way I usually do. Put the gaskets on dry and I used RTV instead of the little squigly cork jobbers. The intake leaked like a siv It filled the Cylinders with coolant and made a huge mess! I took out all the plugs and flushed the oil and spun out the coolant. I don't think my intake manifold will even come off now. I used RTV around the water passages and Gasgacinch on both sides of the intake gaskets. It is sealed now!! The torque on the intake manifold in only 18ft pounds! (hand tight) so I guess all the RTV and Gasgacinch are necassary? Forget the Edelbrock one size fits all gasket set and use Felpro's if you deside to swap heads!