1964 Valiant "Get Runnin & Drivin"

C130 Chief said

Rustoleum Industrial call for acetone as a reducer for spraying. And even with acetone, the stuff dries S-L-O-W.

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This is what I was kind of thinking with the Acetone. The John Deere Thinner is a fast dry reducer just like the Dupont 3812-S and with the 5star synthetic hardener it dries lots faster than without the hardener.