Increasing rim size
Thread Starter
|
New User
Joined: Jul 2018
Posts: 1
Likes: 0
From: Barrington
Increasing rim size
I have a base model 2015 f150 super cab, 2wd EcoBoost V6, no bells or whistles. I want to swap my stock 17" rims for 18" rims from a 2015 f150. I need to know what are the largest ties I can use with the 18" rims without adjusting my speedometer, or what measures I need to take to adjust said speedometer if the situation calls for it. I use my truck for work so I haul materials but I usually don't exceed 500 lbs. I appreciate all experienced advice I can get.
Fleet Mechanic
Joined: Dec 2008
Posts: 1,911
Likes: 134
From: Burleson, Tx
What are the stock tire size?
You can go here and use the calculator to compare tire sizes and figure out how far off your speedo will be with tire changes.
Dakota Truck Tire Calculator
You can go here and use the calculator to compare tire sizes and figure out how far off your speedo will be with tire changes.
Dakota Truck Tire Calculator
Super Moderator
Joined: Apr 2004
Posts: 34,495
Likes: 2,809
The stock sizes are all just about the same diameter. Go to Tire Rack and input a '17 or '18 and they will show you all three sizes.
I see multiple sets of 18s and 20s with HT and MS tires for sale nearly new for $800 to $1000 on Craigslist. If you buy that way you will probably have to add your TPMS back as most I've seen have already pulled the TPMS.
Any bigger tire will affect the speedo. That requires a bit of electronic fiddling which is covered in other threads here. Someone posted that dealers will not reset speedos for non stock sizes. Don't know if that's true or not.
I see multiple sets of 18s and 20s with HT and MS tires for sale nearly new for $800 to $1000 on Craigslist. If you buy that way you will probably have to add your TPMS back as most I've seen have already pulled the TPMS.
Any bigger tire will affect the speedo. That requires a bit of electronic fiddling which is covered in other threads here. Someone posted that dealers will not reset speedos for non stock sizes. Don't know if that's true or not.
Thread
Thread Starter
Forum
Replies
Last Post
MTman
1994.5 - 1997 7.3L Power Stroke Diesel
13
Jun 10, 2005 07:22 AM
