----Normally in 63 Corvettes the plate at the end of the frame rail in front of the tire in the above pic is the 1st thing to go. That plate has another plate just forward of it that has a weep hole at the bottom. The plate you see has no weep hole and when the frame gets coated that app 3 inch area gets no coating inside and no way for dirt and debris to get out. GM put weep holes in later (don't know the app date) and that helped but did not totally cure the problem as then water and dirt thrown off the rear tire could get thru the hole and stay there!
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