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07-28-2013 08:03 AM #12
urethane and polyester both react to uv rays. swell and shrink . in the ladder of resins epoxy is at the top . once cured it will not react to uv. there is nothing better for corrosion protection and adhesion than epoxy. but all epoxies are not the same. dplf is useless .
i have done epoxy only since 05 . urethane primer is ok for collision work but as a high build it creates too many problems .
We managed to get a couple of other small things taken care of. One was blacking out the front of the core support. When the sun hit the front of the car just right that green paint on the core...
1968 Plymouth Valiant 1st Gen HEMI