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Old 06-20-2009, 11:36 PM   #10 (permalink)
Big Dave
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Location: Steppes of Central Indiana
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The Red Baron - '00 Ford F-350 XLT
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Yeah. Your ratios are good for an OM636. One of the weaknesses of these Benz engines (especially the normally aspirated ones) is poor low-RPM torque. You'll need the gears. At least it will drive the accessories without a speed-up pulley.

You can get decent torque from a OM617, but that requires a VNT turbo from a Sprinter and turning the ALDA way up.

How much does a OM636 weigh?
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