I contemplated this for a while, but using a floor-mounted hydraulic engine hoist seems to make more sense. You can use it for other things besides holding the engine up. They are all over e-bay and web sites like Harbor Freight and Northern Tool for under $300. The legs fold up, so they don't take up a lot of room.

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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe