What size wheels will fit on my Duramax 3500 Dual Rear Wheel (DRW)?

What size wheels will fit on my Duramax 3500 Dual Rear Wheel (DRW)?

Duramax Rims: What size wheels will fit on my Chevy 2500? Reading What size wheels will fit on my Duramax 3500 Dual Rear Wheel (DRW)? 41 minutes

Enhancing the Look and Performance of your Duramax 3500 Dually: A Wheel Sizing Guide


Chevy and GM trucks are known for their exceptional power, towing capabilities, and ruggedness.  While these trucks are undoubtedly impressive directly from the factory nothing improves the look of your Duramax 3500 Dual Rear Wheel like a lift and wheel upgrade. 

Determining which wheel and tires will fit your specific generation of truck is a daunting task already, throw a lift into the mix and you’ve got even more to think about.  In this article we will cover the compatibility of wheels across the generations, and will further discuss crucial factors such as lift height, bolt pattern, offset, and center bore to help you make an informed decision.


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Considerations before Upgrading Wheel Sizes

Wheel Sizing Breakdown

I. 4th Gen Detroit 6.5L K2500 (1994-1998)

II. 1st Gen Silverado, 2nd Gen Sierra(1999-2007)

III. 2nd Gen Silverado, 3rd Gen Sierra (2008-2013)

IV.3rd Gen Silverado, 4th Gen Sierra (2013-2019)

V. 4th Gen Silverado, 5th Gen Sierra (2019+)

Conclusion

Wheel Sizing Chart





Considerations before Upgrading Wheel Sizes

3500 Duramax DRW Wheel Sizing

Before diving into wheel upgrades, it's crucial to consider a few factors:

  1. Fitment: Not all wheel sizes are compatible with every truck. The year, make, and model of your Chevy or GM truck will determine the maximum wheel size it can accommodate without modifications.  With each modification you do add, the tire size will change

  2. Legal Compliance: Verify the local regulations regarding wheel size modifications to ensure compliance with safety and legal standards.

  3. Usage: Consider your truck's primary usage. If you frequently tow or haul heavy loads, it's essential to choose wheel sizes and tires that can handle the additional weight.

Understanding Fitment and Offset

Fitment refers to how well the wheels fit onto the truck's hub and within the wheel well. The bolt pattern, center bore, and offset are critical factors when selecting new wheels.

  1.  Bolt Pattern: Ensure that the new wheels have a bolt pattern that matches your truck's specification. Common bolt patterns for Chevy and GM trucks include 8x6.5 (8x116.7mm) and 8x180 mm for 1994 to 2012 trucks and 8x8.27 (8x154.2 mm) for 2013+ trucks.

  2. Center Bore: The center bore of the wheel should match the hub diameter of your truck to ensure a proper fit.

  3. Offset: Wheel offset determines how far the wheel sits in relation to the suspension. Positive offset pushes the wheel further into the wheel well, while negative offset brings the wheel closer to the fender. It's crucial to choose an offset that provides sufficient clearance between the tire and truck components.

Wheel Size Increase: Finding the Right Balance

When upgrading wheel sizes, it's essential to strike a balance between aesthetics and functionality. While larger wheels enhance the truck's appearance, excessively large wheels can negatively impact performance and ride quality. As a general guideline, consider increasing the wheel diameter by one or two inches over the stock size.


Tire Selection and Load Capacity

With larger wheels, you'll need corresponding tires that match the new wheel size and maintain appropriate load capacity. It's crucial to select tires with the correct load rating to ensure they can handle the weight you'll be towing or hauling. Consult the manufacturer's recommendations and seek expert advice when choosing the right tire size and load capacity for your specific application.


See more on tire sizing here


Suspension Upgrades for Optimal Performance

To maintain the truck's handling and performance after increasing wheel sizes, it may be necessary to consider suspension upgrades. Installing a lift kit or leveling kit can provide the additional clearance needed to accommodate larger wheels and tires while maintaining proper suspension geometry. Upgrading shocks, springs, and other suspension components can also improve ride quality and handling characteristics.

Wheel Sizing Breakdown

 

I. 4th Gen Detroit 6.5L K2500 (1994-1998)

The 4th Generation Detroit 6.5L K2500 was the last generation manufactured from 1994-1998, to use the Detroit Diesel motor (the predecessor to the Duramax) which was known for its robust performance and durability.

As with other trucks from similar generations, the options on this truck are fairly limited.  The bolt pattern is 8X6.5 with a 78.3mm center bore or a 116.6mm Center Bore on these trucks.  The recommended fitment is a 16” to 24” diameter, and a 6.5” to 12” width across the board, from stock height to a 6” lift.  The recommended offset is between 160mm to 150mm with all lifts. 


II. 1st Gen Silverado, 2nd Gen Sierra(1999-2007)

The second generation GMC Sierra and first generation Chevrolet Silverado offer more sizing options than the previous generation, including increases in potential diameter, width as well as offset.  The recommended diameter is 16” to 24”, recommended width is 6” to 12”, and recommended offset is between -0mm to 135mm depending on lift height.

When it comes to tire contact with the truck or rubbing, you can be anywhere along the scale from no rubbing whatsoever to extreme rubbing.  As this is a pretty relative measurement we have broken it down into two categories: No rubbing and rubbing.


No Rubbing


When it comes to tire and wheel fitment for these trucks, you have a range of options that won't lead to rubbing issues. Here's a breakdown of these setups:


Stock Setup 

Stick with a 16" to 24" diameter wheel and 6" to 12" width. The recommended offset ranges from 0mm - 135mm.



Leveling Kit 

With a leveling kit in place, opt for a 16" to 24" diameter wheel and the same width range as above(6" to 12").  The recommended offset is the same at 0mm - 135mm.  This configuration provides a balanced look without rubbing concerns.


2.5" Lift

With a 2.5” lift to avoid rubbing, you’ll have to stay within the 16" to 24" inch diameter range, and keep your width between 6" to 12".  Without any trimming you’ll need to keep a 0mm - 135mm offset.


4" Lift


With a 4” lift, you’ll still need to keep a 16" to 24" diameter.  Without any trimming you’ll have to stay in the 6" to 12" range.  Without any trimming you’ll want to keep a 0mm - 135mm offset.  


6” Lift


For those looking for something nice and bold with a 6" lift, you can select a wheel diameter between 16" to 24" and a width spanning from 6" to 12". The recommended offset for no-rubbing remains at 0mm to 135mmwithout any trimming.  If you are willing to trim you can increase your offset to -54mm to 135mm.  This setup will allow you to maintain a confident stance while ensuring your tires don't rub against any components.


Setups that Rub

Now, let's explore options that might lead to rubbing issues. If you're willing to accept some tire rub, you can go a bit bigger with these sizes:


Stock Setup 

Stick with a 16" to 24" diameter wheel and 6" to 12" width with a 0mm to 135mm offset if you don’t want to do any trimming.  If you are willing to do some trimming you can go with a -54mm to 135mm offset.  


Leveling Kit 

With a leveling kit stick with a 16" to 24" diameter wheel and 6" to 12" width with a 0mm to 135mm offset if you don’t want to do any trimming.  If you want to widen your stance a bit, with some plastic trimming, or metal trimming, the recommended offset is -54mm to 135mm. 


2.5" and 4” Lift

With a 2.5” and 4” lift you can essentially do the same as the leveling kit above.


6” Lift

With a 6 inch lift, if you don’t mind a bit of rubbing you can go with a -54mm to 135mm offset across the board.  As far as recommended width stick within 6" to 12".  As far as diameter, stick to 16” to 24”.


III. 2nd Gen Silverado, 3rd Gen Sierra (2008-2013)
3500 Duramax Sierra DRW 3rd Generation Wheel Offset Sizing

The second generation Chevrolet Silverado and third generation GMC Sierra are quite similar to their predecessor, but they do offer the option of a slightly larger setup.  As with the previous generation they continue with the 8x6.5 bolt pattern and a hub bore of 116.7mm