Originally Posted by 69b1dart
have a o-ringed block and heads that has no receiver grooves,can I get by with using copper gaskets or do I need receiver cut heads,this will be a non blown,no nos wengine,will be ran on race gas


I ran an Oringed megablock with copper gaskets and 440-1 heads with no receiver groove, with a 200 shot, for a few years with no problems at all. I used a little red silicone around the coolant passages and a heavy coat of copper spray.
Never a leak of any kind.