auto with 410's
I have a 07.5 mega cab laramie with a 6 speed auto and 410 gears.My truck is stock with 10k miles on it.My in town mileage is 13 mpg and highway is 17mpg.If I hook up my lawn trailor about 4000 lbs I get 10 city and 13 highway.My question is,is this normal ? It seems i should get better mileage specialy pulling a light trailor.
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I'd say its normal. I bet you'd get the same towing mileage with a 10k trailer.
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That's not bad at all for a 6.7. I have truck in signature with 5.9/4.10 auto and that is what I get exactly.
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If you don't mind me asking, what kind of RPM's are you turning? I would think that 4.10's would be a better choice for the six speed auto tranny trucks.
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3.73. vs 4.10
All other things being equal, how much would the mileage change if the 6.7 with the auto had a 3.73. rear vs 4.10 ?
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george colvin,
About 1-2MPG, Average. Keep the RPM under 2K and you will see better MPG regardless, over 2k, either gear ratio, and the MPG falls fast........ Stealth |
Thanks for all the feedback.Iwent through all rhe codes and a new turbo @2500 miles and a few flash recalls,but I havent had a problem since.Im thinking about the ts mp8 for fuel mileage,but I dont want to hurt the trans or anything else.
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I did check the rpm's this morning, 1800 @ 65 mph.Not as bad as you would think with stock ,short tires and 410's.
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The best I've gotten with 3.73 is 17.1 on the highway solo at 20,000 miles.
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