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Old 06-20-2007, 02:53 PM
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Typical power loss through drivetrain...

Does anybody have a guesstimate on about how much power loss could be expected? I'm sure it probably varies widely so I'll include a little more info. What could be expected through a TH350 with 2400 stall, through a gear driven transfer case (NP 205 locked in 2 high), through a 12 bolt with 4.10 gears and 31" light truck tires with steel wheels?

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Old 06-20-2007, 04:12 PM
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i was told that you'll typically lose 15-20% horsepower from the crank to the rear wheels
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Old 06-21-2007, 06:55 AM
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That 4wd box is costing plenty in mileage due to more turning parts even if it's in 2wd with hubs unlocked. I've run those 4wd's for 30+years and have tried in vain to get better mileage with different engines,transmissions, ratios,etc.
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Old 06-21-2007, 05:07 PM
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You got a leaky spark tube...
 
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Mileage isn't a concern. I was just wondering what the power loss is through the extra/heavier drivetrain compared to a typical 2wd car.
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