i have ran them both and i cant see any differance in sealing better or worse they still need plyabond to stay sealed with a power adder evan with a copper oring trust me i have had them of many many many times let the plyabond set over night before completing the install after head has been torqued then recheck the torque and let it rippppppppppppp and it will stay.[img]i/expressions/face-icon-small-smile.gif[/img]

 

samcoeds i just got my pliobond from ron wood,and my gasket from pami here soon. i was going to use just the gasket, but i think i will go ahead and use the new gasket and the pliobond as well.