Difference between 2500 and 3500 - Chevy and GMC Duramax Diesel Forum

06-07 LBZ & LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #1 of 54 (permalink) Old 02-03-2010, 08:23 PM Thread Starter
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Difference between 2500 and 3500

What's the difference between a 2500 hd and a 3500 hd single wheel? Thanks.
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post #2 of 54 (permalink) Old 02-03-2010, 08:25 PM
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I beleive its an extra spring in the rear and the 3500 comes standard with 4:10 gears also

07' GMC 2500 SLT C/C 4x4 Classic

Reunel Front Bumper
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4" MBRP Turbo Back SS Exhaust
S&B Cold Air Intake
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post #3 of 54 (permalink) Old 02-03-2010, 08:32 PM
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Its just the extra spring, if it has a D-MAX in it your stuck with 3.73s from the factory. No 4.10 option was ever available for the D-MAX.

Name: Ben
Truck: 06 CC/SB LBZ "The Screamin Demon"
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post #4 of 54 (permalink) Old 02-03-2010, 08:34 PM
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265/75-16 standard tires,extra rear leaf, and has 3.73 gears not 4.10 if its diesel.

2005 LLY CC/SB 4x4/Allison. Air Dog II, EFI live, Built trans, EGR delete.

1994 dodge ram 2500 CTD 100 fuel plate and 3K GSK 4x4 SC flatbed.
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post #5 of 54 (permalink) Old 02-03-2010, 08:41 PM
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And if it is a 2009 or 2010 the 3500 does not come with Stabilatrac or the extra $2500 or so dollars added to the price for it.

2009 GMC 2500HD SLT CCSB black on black
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post #6 of 54 (permalink) Old 02-03-2010, 08:51 PM
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i looked on gm's website you can add the 4:10 gears with the duramax but only on the 3500's

07' GMC 2500 SLT C/C 4x4 Classic

Reunel Front Bumper
Resonater Plugged
Pre-Tuned ECM w/DSP 5 switch from Idaho Rob
4" MBRP Turbo Back SS Exhaust
S&B Cold Air Intake
B&W Turnover Ball Hitch
DMI Spring Cushioned Receiver Hitch
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post #7 of 54 (permalink) Old 02-03-2010, 08:52 PM
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Quote:
Originally Posted by Big H View Post
the 3500 comes standard with 4:10 gears also
No it does not.
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post #8 of 54 (permalink) Old 02-03-2010, 08:53 PM
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Quote:
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i looked on gm's website you can add the 4:10 gears with the duramax but only on the 3500's
Add the dmax option and you will understand
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post #9 of 54 (permalink) Old 02-03-2010, 08:56 PM
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Quote:
Originally Posted by Hondarider552 View Post
Add the dmax option and you will understand
ya i did..............

07' GMC 2500 SLT C/C 4x4 Classic

Reunel Front Bumper
Resonater Plugged
Pre-Tuned ECM w/DSP 5 switch from Idaho Rob
4" MBRP Turbo Back SS Exhaust
S&B Cold Air Intake
B&W Turnover Ball Hitch
DMI Spring Cushioned Receiver Hitch
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post #10 of 54 (permalink) Old 02-03-2010, 08:57 PM Thread Starter
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Thanks for the replies. Are the torsion bars the same size as on the 3/4t? Same size brakes too?
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