Re: Frame Coatings.. Which ones?and why?Powdercoating,Rhino lining ?
Powdercoating is nice but it does occasionally chip. It is however much tougher than paint ever thought about being. We use powdercoating on our Baja SAE cars.
I have Line-X(better than Rhino IMO) bed liner in my truck and the stuff is pretty much bullet proof. If weight isn't an issue I would go with it. It is pretty heavy stuff though. One suggestion if you go with Line-X/Rhino is to be sure and mask any bolt holes in tabs, etc... Spray on bed liner is THICK stuff and will make reinstalling bolts a bitch. Another thing to thing about is that bed liner is hard as hell to remove should you ever need/want to remove it. I don't know of any way to chemically remove it and I'm not sure media blasting would take it off. I think if you wanted it off you would stuck grinding/sanding it all off.
Powdercoat has a tendency to fill up threaded holes and tab holes a bit as well. When we get our parts coated any threaded holes get old bolts threaded into them to keep the PC out. Holes in tabs just get a drill run through them real quick.
Don't waste your time with rattle can bed liner. We have used it here and there in the past and it's nothing special. Spray on bed liner is much better than it in every way possible.
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