Just looked at big air, nice units and if the vent issue was key for you Big, that's good, but overall I think Vintage has a slightly better offering. Many of big air's options were standard on mine, I also preferred my (optional) electronic controls vs cable operated. I think vintage's units look shorter and wider which in general let them fit behind the dash better. I do like their vacuum operated compressor switch though, nice option I didn't see on Vintage site.
puh TAY toe puh TAH toe
'69 1/2T stepside, Sea Foam Green, 250 L6 w/ 3 on the tree, not an option on it, in the family since new.
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