I would THINK epoxy is harder and doesn't wear off like ablatives...but like I said, I'm not sure...I know this stuff on bottom of mine is as hard as concrete...hell I think concrete would come off easier...
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'74 V-20/ BF 150
'95 V-21/ BF 150
'84 V-20/ 200 2.4 Merc
'87 V-20/'18 F150 Yamaha
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