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Old 03-12-2010, 09:50 PM   #94 (permalink)
Frank Lee
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Join Date: Jan 2008
Location: up north
Posts: 12,761

Blue - '93 Ford Tempo
Last 3: 27.29 mpg (US)

F150 - '94 Ford F150 XLT 4x4
90 day: 18.5 mpg (US)

Sport Coupe - '92 Ford Tempo GL
Last 3: 69.62 mpg (US)

ShWing! - '82 honda gold wing Interstate
90 day: 33.65 mpg (US)

Moon Unit - '98 Mercury Sable LX Wagon
90 day: 21.24 mpg (US)
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I'd have to say, if I wanted a diesel I'd do a diesel swap. Even if the head studs and whatnot aren't an issue, I'd want the high C.R. of a "real" diesel, and I'd want the chamber/piston design for direct injection. Also I'd want the high-nickel block that I understand most if not all "real" diesels have, to enhance cylinder longevity under what has to be more stress. The mains bosses, crank, rods, etc. are tougher too...? A lower C.R. diesel conversion can likely be made to work but- speaking for myself- I don't think I would have the patience/resources/skillz to dedicate the R & D necessary to come up with an engine that matches a factory unit in efficiency and/or longevity.

Unless the homebuilt unit could easily beat gasser efficiency...
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