Quote Originally Posted by IC2 View Post
I used DuPont Variprime and Centari single stage black for my '31s engine. If I was to do it again, would use epoxy instead of the Variprime plus the single stage paint. Regardless of that, it is holding up well. Luckily I started with a factory fresh, new engine, but I still did a thorough cleaning, ground the flash, washed it with Tide, then again with wax and grease remover. That old saw that granny used to say - "Cleanliness is next to godliness" holds true here
at one time i did test strips when i was painting planes . made up strips to see the primers that did hang on the best with the lest prep not that we were lazy but to see what one had the best bite with most of the makers of etch primers variprime is one of the best used gallons of the stuff