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Open Roads Forum  >  Tow Vehicles

 > 4.10 or not!

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The Dunn 4

Iowa

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Posted: 04/29/10 10:11am Link  |  Print  |  Notify Moderator

Found a 2009 Chev 2500HD LT1 6.0 gasser with very low miles. Some hail damage so I can get a pretty good deal. The only problem I see with it is it has the 4.10 rear end. I'd prefer the 3.73. Thoughts on doing the 4.10 vs holding out for a 3.73???
Thanks!


2009 Passport 280BH
2009 Chevy 2500HD 6.0 LT
Me, DW, DD, DS
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mosseater

Dillsburg, PA

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Posted: 04/29/10 10:24am Link  |  Print  |  Notify Moderator

And you don't want the 4.10 because......?
I have the 4.10 in my 150 with the four speed and wouldn't trade it for a 3.73 for all the debt in China. If you're going to tow with it, I don't see why you wouldn't want it. I don't know what trans you have, but I'm guessing it's a six speed? Makes the differenc even smaller, IMHO. If it's a mileage preference, you probably don't stand to gain much. My truck is my daily driver and I've logged every tank of fuel since new. Even with the extra weight, dumbo mirrors and 4.10, I average 14-15 not towing and about 8-9 towing. My .02.


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The Dunn 4

Iowa

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Posted: 04/29/10 10:25am Link  |  Print  |  Notify Moderator

Maybe a little more info too. 75% of the driving will be commuting to work 20 miles each way. The other 25% will be towing and hauling. Flat country here in Iowa. Maybe one trip a year out to the mountains. The rest of the towing will be flat.

The Dunn 4

Iowa

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Posted: 04/29/10 10:29am Link  |  Print  |  Notify Moderator

My understanding on the 4.10 is slightly less gas milage and less top end speed (over 70 - Not that I drive much over that when not towing). I get about 14-15 mpg with my F150 (8 when towing). I suspect around 12-13 mpg on the Chevy when not towing. Anyone else have experience there?

wp6529

TX

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Posted: 04/29/10 10:33am Link  |  Print  |  Notify Moderator

If it's a good deal buy the truck. Try it and see if you like, or even notice the 4.10 axle(s). If you don't like it, just change the axle gears to what you want. It's done all the time by off-road folks, and a 4x4 shop is your best bet for a good price on the work, a dealer will be a lot more expensive for the same thing. Figure perhaps $400/axle or so, or just call a local 4x4 shop for a quote.

Ivylog

Blairsville, GA and WPB, FL.

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Posted: 04/29/10 10:33am Link  |  Print  |  Notify Moderator

I'm a fan of the 3.73 in a diesel, but a gasser revs higher so 4.10 with a OD tranny is a better choice.


This post is my opinion (free advice). It is not intended to influence anyone's judgment nor do I advocate anyone do what I propose.

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lpxguy

Chalfont PA

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Posted: 04/29/10 10:44am Link  |  Print  |  Notify Moderator

My 2010 Silverado 2500HD has 4.10...gets in second gear by 5 mph, gas mi. really sux!on my 3rd tank and have not gotten better than 10 mpg around town non towing!and I'm not beating on it.....sure hope it improves with mileage...I'll be glad I have the 4.10 when I'm towing my 7000 lb trailer though!


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PhilipB

MO

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Posted: 04/29/10 10:56am Link  |  Print  |  Notify Moderator

Most seem to say take the 4.10 for towing. The 6.0 isn't known for it's good gas milage. We just bought a 2010 Chevy 2500 with 6.0 / 3.73 here at work. Too early to tell milage.

With a 40 mile daily commute you might consider a diesel. If you're getting a 3/4 anyway the only real difference is which pump you pull up to and you'll easilly get 15-19 solo.


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brittsnbirds

Missouri

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Posted: 04/29/10 10:57am Link  |  Print  |  Notify Moderator

Well to help out lpxguy, I've got he 3:73's in my 09 2500 HD. I drive around 20 a day and get around 12. On the highway I get 14 to 16 depending on my mood. Pulling the 27' Wildwood I get 9 to 11 depending on the wind etc.

I traded an 03 1500 with the 5.3 w/ 3:73 gears. My new truck is much better especially with the 6 speed tranny!!


Catch ya later!

Pat


cruiserjs

Mesa AZ/ openroad

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Posted: 04/29/10 11:09am Link  |  Print  |  Notify Moderator

I have the equivalent 2009 GMC Sierra - 2500 HD with 4.10. Just FYI - Tuesday-Wednesday I made a round trip from Denver to Rapid City without the trailer (831 miles total) I averaged driving above 70 MPH and goy close to 19 mpg northbound (tailwind) and 17 southbound -headwind!
Towing our 32 ft; fiver (11K pounds) on relatively flat trips (KC MO eg.)average about 11+ mpg.

My first tv (many years ago LOL) had 3.73 and when i moved up to 4.10 just could not believe the difference in overall performance. loss of mpg was insignificant.
John


Colorado Cruiser
Cruiser CF29CK 5th wheel; 2009 GMC Sierra 2500HD, 2wd, short bed
wonderful lifetime traveling companion/spouse


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