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Old 12-01-2008, 11:14 PM
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Join Date: Jan 2006
Location: Kernersville, N.C.
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Default Removing Undercoating

I have had my Judge for 30 years, but never removed the undercoating, but I'm getting ready to do just that. I don't really want to go to a nationally judged show with undercoating on the underbody and gas tank. (I'll get a repo gas tank.) And this undercoating has discouraged me from completely detailing the underside. I have removed the gas tank and 90% of the area exposed is red oxide primer with some very light black shot on it and Carousel red on the sides of the sections of the underside of the trunk that dip down. I have removed a little of the undercoating behind the rear end and found the same with a big spot of Carousel red at the lowest vertical area of the body just in front of the trunk. I don't know if the remainder of the body will look this good or not--it's a mystery right now.

But I need an easier method to do this, and I'm sure some of you have had good/bad results. I want to leave the factory paint there and either paint over it or leave a lot of it if it still looks good. I will at a minimum need to remove some scale from areas that were not undercoated well, but believe me, most of the body itself is coated.

I'm leaning towards Eastwood's kit that includes a heat gun and some spray that supposedly removes undercoating. I used a hair dryer to test and it did make a small spot of the undercoating soft enough to remove with my fingernail. I have heard of people using kerosene (but this is not working well) or lacquer thinner (this is also somewhat slow, and I suspect I'll die from the fumes before I'm done) I have read that some have used a needle scaler, but I assume that will remove what factory paint is still lurking underneath.

So, please give me your opinion, or at least let me know if you have tried Eastwood's kit or a heat gun to do this. I believe if I can soften it some, it will scrape right off......................with some work...............ok, a lot of work.

Why did I wait til 49 to do this?

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