pulling machine

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May 20, 2012 | 07:29 PM

hay is for horses

Thread Starter

Junior User

Joined: Dec 2011

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pulling machine

just returned from a 1700 mile round trip with horse trailer on truck pulled great and averaged 11.3 mpg doing 70 mph this is in a cab chassis dually with 4.10 rear en. I think that is pretty special

May 20, 2012 | 08:04 PM

Davgt500

Tuned

Joined: May 2011

Posts: 287

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From: Arvada, CO

That is pretty special considering the gears!

May 20, 2012 | 09:54 PM

77Highboy460

Freshman User

Joined: Sep 2010

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From: Va

That is outstanding with 4:10's! You should be quite pleased!

May 21, 2012 | 04:33 AM

hay is for horses

Thread Starter

Junior User

Joined: Dec 2011

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Done this same trip in January and got 10.8mpg with 900 miles on her when we left. This time She had 4000 miles on her and fresh oil rotella T6. Biggest difference probably is summer grade fuel

May 21, 2012 | 07:20 PM

Tuxedo Scorpion

Fleet Mechanic

Joined: Mar 2012

Posts: 1,738

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From: Land of the Free

i think people have gearing confused. a lower gear ratio is numerically higher. and a higher gear ratio is numerically lower.

May 21, 2012 | 08:42 PM

cabindoc

Laughing Gas

Joined: Sep 2008

Posts: 1,053

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From: Central NJ

Quote:

Originally Posted by hay is for horses

just returned from a 1700 mile round trip with horse trailer on truck pulled great and averaged 11.3 mpg doing 70 mph this is in a cab chassis dually with 4.10 rear en. I think that is pretty special

That is pretty good. I average 10.4 empty in a C&C with same gears.

May 22, 2012 | 05:43 AM

ruschejj

Post Fiend

Joined: Jan 2009

Posts: 6,521

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From: Greenwood, SC

Tux, it's all about context.

The fuel economy subject tends to center around rear end gearing, lower engine rpm at freeway speed is the goal for fuel economy, and folks say higher and lower gear a lot.

Yes, a 3.55 is a higher gear than a 4.10, but a lot of folks skip that part and refer to them as numbers and say a 3.55 is low. It's confusing.