Wondering what the consensus is on using zinc to spray on rust after the base metal has been blasted?

Has it been used long enough to see if it has any negative effects?


72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.