With a gun it would be too much air pressure/not enough liquid, too fast of a reducer/too warm environment, hot surface or direct sunlight. With a rattle can too far away/too light of coverage, surface too warm.
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
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