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Originally Posted by N2TRUX
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I usually do the degreasing at the local Coin Op Car Wash. I spray everything down with Gunk Engine Brite then use the degreaser feature to get it as clean as possible.
Once its in the shop we use various size wire brushes to start the clean up. To minimize dust I sometimes wet it with a spray bottle. Once we have the loose dirt off I blast it with the air nozzle. I also use a battery powered leaf blower to clean up my work area.
I have tried various solvents for the final prep but they can become cost prohibitive and easily wasted. We discovered that Walmart brand brake cleaner on folded paper towels uses minimal product and dries quickly with no residue. I toss them in my recycle bin so we are enviro friendly.
I buy the cheapest paper towels that Sams Club offers and they work great. They are virtually lint free and cost much less than the blue towels. I may use twice the amount, but its still cheaper.
The end result is we almost never have any fish eye or chemical reaction when we apply undercoat or paint.
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Thanks for sharing this info. Its these methods/products that the masters like yourself have developed that make for great results. Learning this stuff can be costly if you have to learn this stuff the hard way without some guidance from people like you.
I've been doing this for a good long time too, but I still learn new things all the time and like to see/hear what the others do for the challenges these old trucks give us.