For that price you could get a 4 cylinder EATON that would kill the Quincy and the bel aire. AND it spins around 600 rpm......I can talk on a cell phone beside mine. They are on sale till the end of February.
BUT I am biased:bounce:
Specs on mine: 4 cyl, 2 stage, 34 cfm @ 0psi, 28 cfm @...