I've use the ICE Titan, the ones with the built in O rings, with great success on blocks with no receiver grooves They where all thicker than .042 though I did use 2 or 3 coats of Copper Coat as a sealer also
Last edited by Cab_Burge; 12/02/1909:57 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
They where all thicker than .042 though 
