I do not think this is in Grigg's nature, but if you really wanted to create a conversation piece and show off, here is an idea:
You could install a pony motor to power an onboard compressor, so that way you would never run out of air..................I think this was the system they used on big caterpillars or did they use the pony motor to heat the head, can't remember.
John Gott

1942 G5106 1.5-ton Chevy cargo dump Gallery page




Old Dominion Stovebolt Society
T/Sgt. Gott (28 years of service with the USPP)
1940 Chevy G506 4112 cargo dump
1942 Diamond T G509 969A 4 ton wrecker
1942 Ward LaFrance G116 series 2 10 ton wrecker
1944 Ward LaFrance G116 series 5 10 ton wrecker
1931 Ford AA with a WEAVER crane
1944 Sterling HC 165 tractor
1944 Autocar U7144T w/ 10 ton trailer