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Hope this helps. I have a lift and I steam cleaned the underside. Got rid of all the grese, oil dirt and whatever. Then I used a whire wheel on the frame and painted it with rust encapsulator and black chassi paint. I did not paint any of the fiberglass.
I have some pictures but they are not with me. If you would like to see, just ask.
Last edited by biackbenz; Jan 25, 2016 at 11:11 PM.
Hope this helps. I have a lift and I steam cleaned the underside. Got rid of all the grese, oil dirt and whatever. Then I used a whire wheel on the frame and painted it with rust encapsulator and black chassi paint. I did not paint any of the fiberglass.
I have some pictures but they are not with me. If you would like to see, just ask.
About to start in prepping underside of body for paint/coating. How did you clean it up? Also what coating did you use? Any suggestions are welcome!
Is your car a pre-1975 model, or a '75-'82 model. Pre '75s have a fiberglass floor pan, post '75s have a steel floor pan, to deal with the added heat from the catalytic converter.
If originality isn't an issue, I'd consider truck bed liner material, to deaden the sound a little.....
I found this stuff to work great to really clean up the gunk underneath the car- The professional stuff in the metal can NOT the plastic bottle. Need some good rubber gloves and air movement. Less than $20/gal
Got the fiberglass really clean....
Put Zero Clearance exterior heat shield- to help stop the heat...
...its a 79. Cleaning that rough underside is going to be tough...
That's very likely to be factory applied undercoating. You'll also find it under the carpeting. The AIM has three or four pages dealing with how they wanted the stuff applied at the factory. Why not leave it alone?
Last edited by Easy Mike; Jan 26, 2016 at 09:35 AM.
That's very likely to be factory applied undercoating. You'll also find it under the carpeting. The AIM has three or four pages dealing with how they wanted the stuff applied at the factory. Why not leave it alone?
I suppose I could. Just wanted to freshen it up while the body is off, make it clean and nice and possibly easier to clean? If its not able to be cleaned and painted then I won't. Just looking for ideas, thanks.
I found this stuff to work great to really clean up the gunk underneath the car- The professional stuff in the metal can NOT the plastic bottle. Need some good rubber gloves and air movement. Less than $20/gal
Got the fiberglass really clean....
Put Zero Clearance exterior heat shield- to help stop the heat...
On the back- did a faux carbonfiber finish-
Used a paint remover wheel fro Harbor freight-
Rattle canned it w/ Rustoleum-
Here' the final look
That looks really good. Unfortunately mine has rough undercoating on it, so wouldn't be able to do that (at least don't think so).
If a PO has sprayed some bed-liner material or similar type of undercoating on the car, it will be very difficult to remove. You may just want to use a pressure washer to shoot it clean and leave it as-is.
If it is not bonded well to the fiberglass, the pressure washer might just blow it off. If it is bonded well, I think you're stuck with it.