About 3 years ago I bought something like this at Harbor Freight. It's been great with a simple air ratchet and I have a nice 650lb-ft IR impact gun and it's been perfect for the occasional clutch job and a few motor swaps. Not the quietest, but its simple, 120V so it'll work in most any garage, and it fits in the back seat of my jetta.
http://www.harborfreight.com/air-too...sor-67847.html
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