Muriatic acid makes fast work of it but tough on the skin and nose. Ya gotta protect it with something afterwords 'cause it's raw.


1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy