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02-04-2004, 02:42 PM
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Prep after chemical strip, before primer?
Car: 1965 Chevelle Malibu SS
Plan: Complete major body work like panel replacement, dent removal, etc. Next, have the entire body chemically dip stripped. (I've weighed sanding, sand blasting, localized chemical strippers, etc. and have decided to go with chemical dip stripping.) Question: Whats the right body prep in between getting the car back stripped and spraying on the primer? I realize I'll need to blow any residual chemicals out from all the crevices. I may even bake it out. (I have access to an oven.) But once I'm confident Iv'e gotten rid of the chemicals, then what. JUst tack it and shoot, or some sanding? Thanks 
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02-04-2004, 03:00 PM
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First I would suggest you get the body dipped prior to replacing any metal or fixing dents. It is very possible the stripping would turn up more metal that needs to be repaired or replaced so you should wait till you know what you're dealing with before you spend all that time welding in patch panels.
Once the car is stripped all you need to do is hose off the protective coating the metal stripper put on, blow it dry and then coat the whole thing inside and out, every nook and cranny, with epoxy primer. (Metal etching primer would work as well.) The epoxy primer will protect and seal the bare metal and give you a good starting point for any metal replacement that has to be done and the rest of your bodywork. Centerline http://www.hotrodsandhemis.com
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02-04-2004, 03:25 PM
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i disagree, i would either take the car to be dipped and then do all the bodywork, don't worry about the coating yet, when you are done with all the sheet-metal and dent pulling. THEN you take the car to the sandblaster and have the care blasted with a mild medium, you aren't trying to remove 45 years of paint just clean the metal. Then do your filler work and paint with the primer that goes with the system your car is going to be painted with, spies Hecker, House of Kolor or PPG The sandblasted surface is perfect for paint adhesion and its completely oxide free...
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02-04-2004, 04:26 PM
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Quote:
There is no reason to do this twice. The stripping process goes through a number of steps which neutralizes the acids and then coats the bare metal with a phosphoric coating. This is a good rust inhibiter if you don't take a few years to get the body work done or leave it outside in the weather... Follow Centerlines advice and you'll be fine.  Mark
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02-04-2004, 04:39 PM
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the couple of years part was exactly the reason to have the car lightly blasted after bodywork. if he is anything like me it wont be 3 weeks in the making getting the car done. also clean steel is the best furface to paint on, not 2 years of oxidation or ironphosphare residue with questionable adhesion. atleast strip the car first and then sand it completely again to remove residu eand oxidation before applying primer or filler, let alone paint. and if you just pay for the shipping to me ill personally oversee the mediablasting my self, AND pay for it astroracer.
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02-04-2004, 05:04 PM
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Quote:
Centerline is telling him to bury the car in epoxy primer after he gets it back from the stripper. This is the best thing to do... get the car protected, especially inside, and then do the body work...
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12-08-2004, 06:02 AM
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GMW,
66' SS Chevelle, definitely worth the bucks to do it right. You"ll get the bucks back if you ever do sell the car.
Do have it stripped/dipped. You need to build a rotisserie for applying the epoxy to the bare steel body shell. Best to strip/dip/epoxy all in one day if possible. Dip the doors one day, hood and trunk another day etc. You'll thank me 100 times later as your doing the body work on the rotisserie.
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