https://en.wikipedia.org/wiki/Smokey_Yunick#Automobile_racing https://en.wikipedia.org/wiki/Smokey_Yunick#Automobile_racin... Another Yunick improvisation was

https://en.wikipedia.org/wiki/Smokey_Yunick#Automobile_racing https://en.wikipedia.org/wiki/Smokey_Yunick#Automobile_racin... Another Yunick improvisation was getting around the regulations specifying a maximum size for the fuel tank by using 11-foot (3 meter) coils of 2-inch (5-centimeter) diameter tubing for the fuel line to add about 5 US gallons (18.9 liters) to the car's fuel capacity.