Join Date: Aug 2001
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Re: POR-15 or ??????
If you only have small rust spots it'd probably be easier to sand/grind them away then lay over some primer before the Herc. If you have big sections of heavy surface rust, or just want the added piece of mind protection, then POR-15 is the way to go.
You could coat the entire floor of a CJ7 tub with maybe only a pint. I just did my entire tub underside and inside floor and firewall using only 1 butter tub full. I bought a gallon then split it up into smaller containers as suggested on the can, so that's all I have to go by [img]/wwwthreads_images/icons/smile.gif[/img].
Do as the can says and wait till it's almost completely dry but still ever-so-slightly tacky, then spray over a coat of primer. This is so you have something for the Herc to stick to. When completely dried it's really smooth (even coarse brush strokes smooth themselves out) and by then getting anything to stick would be difficult.
Rick -- 80s CJ7, under construction since June