Just bought a new water neck with built in O-ring. Will the O-ring seal well enough on it's own or do I need to install a gasket and/or sealant also?
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'78 T/A, Red, 455 Auto, Comp Cams 268 cam, 7K3 Heads, Holley 750 w/Street Dominator intake, 3.73s, B&M Megashifter, A/R Outlaw wheels, BFG Comp T/A's, AutoMeter instrumentation
2000 Black/Ebony WS6 T/A M6
222/222-566/566 "Hammer Cam"
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