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International Automotive Technicians Network
Re: Difference between between Black and Gray Right Stuff?
Posted to Technical Discussion Forum on 7/17/2008

The best stuff I've used is Wacker T442. It's available from International Truck dealers. This stuff is the oil pan sealer on T444e or 7.3 powerstrokes. It's VERY tenacious stuff.

The rtv that Ford now sells that's labeled for the 7.3 is NOT the same stuff a... Login to read more.