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What is the biggest tire I can put on my 2017 F350?


When it comes to upgrading your vehicle, one of the most common modifications is changing the tires. For owners of the 2017 Ford F350, the question often arises: what is the biggest tire I can put on my truck without compromising performance or safety? In this article, we will explore the factors to consider when selecting tires for your F350 and provide guidance on the largest tire sizes that can be fitted.


Understanding Tire Size Limitations


Before diving into specific tire sizes, it's essential to understand the limitations imposed by your vehicle's design. The 2017 Ford F350 is built to handle a range of tire sizes, but several factors will influence your choice:



  • Wheel Well Clearance: The space available in the wheel wells is crucial. Larger tires may rub against the fenders or suspension components, especially during turns or when the suspension compresses.

  • Suspension Setup: The type of suspension your F350 has can affect how large of a tire you can install. Trucks with lifted suspensions can accommodate larger tires compared to those with stock setups.

  • Gear Ratios: Changing to larger tires can impact your truck's gear ratios, which may affect acceleration and fuel efficiency.


Recommended Tire Sizes for the 2017 F350


For the 2017 Ford F350, the stock tire sizes typically range from 275/70R18 to 275/65R20. However, many owners opt for larger tires for improved off-road capability and aesthetics. Here are some common upgrades:



  • 35-inch Tires: Many F350 owners successfully fit 35x12.50R20 tires with minimal modifications. This size provides a good balance between off-road performance and on-road comfort.

  • 37-inch Tires: If you're looking for a more aggressive look and enhanced off-road capability, 37x12.50R20 tires can be fitted, but this may require a lift kit to prevent rubbing.

  • 40-inch Tires: For those who want to go all out, 40-inch tires can be installed, but significant modifications, including a substantial lift and potential changes to the drivetrain, will be necessary.


Conclusion


Choosing the right tire size for your 2017 Ford F350 involves balancing aesthetics, performance, and safety. While you can fit larger tires, it's crucial to consider the necessary modifications and the impact on your vehicle's handling. Always consult with a professional mechanic or tire specialist to ensure that your upgrades are safe and suitable for your driving needs.


Frequently Asked Questions

Can you fit 35s on a stock 2017 F250?


That means you can get 35" tires on the stock wheels without issue, and can even clear 37s on the stock wheels as long as you stick to a 12.5 or 11.5 wide all terrain. At stock height, you'll need some fender liner trimming however to fully turn with the suspension compressed- even on a Tremor.



What wheel sizes fit a 2017 Super Duty?


Your Ford F250 comes with a range of stock wheel sizes, including 17-inch rims, 18-inch rims and 20-inch rims, depending on its year model and trim level. No matter what rim size you have or want on your F-250, you can count on us to get it rigged out and ready to rock.



What size tires are on a 2017 Ford F350 Super Duty?


2017 Ford F-350 Super Duty XLT tires could be LT245/75R17, LT275/65R18, LT265/70R17 or LT275/70R18 based on the vehicle's trim level which includes 4x2, 4x2 (DRW), 4x4 (DRW) w/Snow Plow Pkg., and 4x4 trim levels.



How much bigger can you go on tire size?


3%
Generally, you don't want to go with tires that have a diameter that is more than 3% different from the factory tires. It's also a good idea to consult with a trusted mechanic before switching to larger or smaller tires.



What lift kit do I need for 35 inch tires?


A lift is required on most vehicles to accommodate 35-inch tires. The lift size needed can range from 3.5 to 6 inches.



How big of a tire can I fit on my F350?


The factory 18's will be LT275/70R18 E - diameter 33.25", load rating 3630 lbs, replacement cost $260. The optional 20's will be LT275/65R20 E - diameter 34.1", load rating 3740 lbs, replacement cost $338.



What are 295 tires in inches?


Tire Sizes, Overall Diameter and Width

Tire SizeOverall Diameter (Inches)Width (Inches)
295/70R1733.311.6
305/45R1727.812
305/65R1732.612
305/70R1733.812



What does 8x170 fit?


If you have a Ford F250 or F350 from 1999 onward, your wheels will most likely be drilled in the 8x170 bolt pattern. Wheel sizes for these trucks come in a wide range, with 16” to 24” sizes being the most common.



What size tires can I put on my truck without a leveling kit?


On average, if your truck isn't lifted, you can fit tires up to 33”. In case the vehicle is lifted, you can find a good set of 37” or larger tires to fit.



What is the biggest tire you can fit without a lift?


While a lift kit is a great addition to any truck, you do not need a lift kit to fit bigger tires onto your truck. You can fit up to 33” tires with no lift kit needed and very little additional adjustments. For reference, the standard stock truck wheel is between 16” and 18”, meaning 33” tires is a substantial upgrade.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.