Underside Body Work [Archive] - Chevelle Tech

: Underside Body Work


mikes454
Oct 7th, 01, 12:25 PM
Has anyone out there ever used aq rubberized paint, like spray in bedliner for the underside of their car's body?
I have my 67 El Camino's body on a rot. and am contimplating the best way of protecting/sound proofing it.

ANd regarding cleaning the underside - has anyone had experience with a little portable sandblaster? Any input on that would be helpful.

Other than that, does anyone have any suggestions on work that should be done before I put the body back on the frame?

Thanks all

Mike Beasley



[This message has been edited by mikes454 (edited 10-07-2001).]

Dan Orgill
Oct 7th, 01, 3:50 PM
Mike, if you're referring to the little " blast out of a bucket " units, they don't do very well. They will take off paint, but really fight with anything more stubborn than that. I rented and industrial sandblaster for a day and it took everything off. I just kept the compressor in the back of my truck, and ran the tank at the back of my car. I had my entire underbody sandblasted in no time. It cost me $250.00 Cdn for the day.

As far as a coating, many here like POR-15 for it's durability. Since you have the body on a rot. already, I would spray the underside with a good epoxy primer if you blast it, then a quality semi-gloss black finish.

------------------
Dan Orgill
Tc #466

sevt_chevelle
Oct 7th, 01, 8:54 PM
Mike that spray on bedliner is pretty trick I think. Havent used myself but know others that have had it sprayed on thier bodies and love it. As for the sandblaster, not sure what you mean by the small portable units, but the best ones out there are the pressurized units. The siphon fed units take alot more time and harder on the air compressor because of their design.

Either way, before you paint your underside or apply that bedliner, coat the bare metal first with a wash primer like ppg dx1791 then an expoy primer. The wash primer has a much better adhesion and corrosion resistance characteristics then the expoy primer.