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Discussion Starter · #1 ·
Hello,
I currently have an F150 /w 20 wheels. I have the stock wheels with stock tires, and I have a second set of custom rims /w snow tires (blizzak). My snow tires have a lot of life left I imagine, I only lightly used them over 2 winters. Both sets of existing tires are 275/55R20

My new lightning (platinum) will have 275/50R22 tires. (coming end of summer wave 6)

Doing a little digging, I find that if I keep my custom 20" wheels, the most appropriate tire to match the stock config would be 275/60R20. Using online tire calculators, I see there is a < 1% diff in diameter comparing 275/50R22 vs 275/60R20.
Looking at the diff between stock 275/50R22 vs 275/55R20 (existing snow tires) shows <= 3% diff.

Question:
What should I do?

Is this difference going to be a problem for me? I wonder if it would mess with the "smart" features of the electric truck (thinking mostly odometer off by 3%? )
Should I buy new blizzaks 275/60R20 size instead of my old tires?
Should I just run my old tires with the 3% diff until they wear out then get the 60s?
Sell my old tires somehow?

Thanks much...
 

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You have what I was going to do if I got the Platinum: get a set of 20s.

Although I guess to confirm, are you saying you have 2 sets of wheels or 1 set of wheels and 2 sets of tires?

Because then I'm not sure those snow tires will fit probably then if you only have a second set of tires. I'm not an expert. I just have 2 sets of wheels for my mustang A/S vs Summer.
 
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Discussion Starter · #3 ·
You have what I was going to do if I got the Platinum: get a set of 20s.

Although I guess to confirm, are you saying you have 2 sets of wheels or 1 set of wheels and 2 sets of tires?

Because then I'm not sure those snow tires will fit probably then if you only have a second set of tires. I'm not an expert. I just have 2 sets of wheels for my mustang A/S vs Summer.
yeah, i have a second set of 20” wheels that ill keep when i sell my current truck. mostly wondering if i need to get the diameter difference to 1% vs 3%
 

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Discussion Starter · #5 ·
I wouldn't bother switching. The 18 inch lightning tires are 275 65 18, which is the same rolling diameter as the 275 55 20.
Yes, you are correct on those two sizes... but 275/50R22 vs 275/55R20 will be a 3% difference... Should I be concerned and buy the blizzak 275/60R20 to have "the sameish" rolling diameter?
 

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Yes, you are correct on those two sizes... but 275/50R22 vs 275/55R20 will be a 3% difference... Should I be concerned and buy the blizzak 275/60R20 to have "the sameish" rolling diameter?
If they made 275/60/20 it would be better. I wouldn't worry about 33 inch vs 32 inch diameter. Just make sure all 4 are the same. I'll probably end up with 275 65 18 or 275 55 20 due to the number of choices. The other question is whether you use Ford wheels that are readily available, though with lower weight capacity or to go aftermarket with a 2500 pound capacity.
 

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Discussion Starter · #7 ·
If they made 275/60/20 it would be better. I wouldn't worry about 33 inch vs 32 inch diameter. Just make sure all 4 are the same. I'll probably end up with 275 65 18 or 275 55 20 due to the number of choices. The other question is whether you use Ford wheels that are readily available, though with lower weight capacity or to go aftermarket with a 2500 pound capacity.
Ok thanks for the advice. My other current set of wheels that ill keep for the lightning are these FUEL Avenger MBL-Gloss BLK MACH Wheel with Painted (20 x 9. inches /6 x 135 mm, 20 mm Offset) Amazon.com: FUEL Avenger MBL-Gloss BLK MACH Wheel with Painted (20 x 9. inches /6 x 135 mm, 20 mm Offset) : Automotive
 

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I just checked again and Bridgestone does have the 275 60 20 dmv2 so it is an option. Our 2011 f150 had blizzak dmv1. Our more recent snow tires have been Yokohama IG51, general altimax arctic, hakkapellita 8 studded, hakkapellita r2 and r3 suv tires. I don't know what tires will go on our lightning but snow tires are non-negotiable in the winter. You never know when the weather will get really bad and an accident avoided more than pays for the tires. It also prolongs the life of the all season tires, which the lightning will likely go through quickly (power plus weight).
 

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Discussion Starter · #9 ·
I just checked again and Bridgestone does have the 275 60 20 dmv2 so it is an option. Our 2011 f150 had blizzak dmv1. Our more recent snow tires have been Yokohama IG51, general altimax arctic, hakkapellita 8 studded, hakkapellita r2 and r3 suv tires. I don't know what tires will go on our lightning but snow tires are non-negotiable in the winter. You never know when the weather will get really bad and an accident avoided more than pays for the tires. It also prolongs the life of the all season tires, which the lightning will likely go through quickly (power plus weight).
Yeah, I saw that they did have that as an option. I was impressed with the blizzaks with my current 2018 f150 and was figuring it would be nice to continue to use them.
I was just concerned that the current size is 3% off versus having a "equal match" of the 275/60R20 ... From what you have said, I feel like using the rest of the lifespan of my current snow tires will just mean the speed/odom will be off by 3%... I was a little concerned that the computer in the electric vehicle might be more "sensitive" to the 3% error... Id rather not drop another $1K if I dont have to, but I would if its going to be a big problem.

How do you like the other tires in comparison? I have never tried those brands.

For me most of my driving will be in bay-area weather and not a problem. But in the winter, driving in snow country I want the snow tires for sure. It is very nice not to have to deal with chains and such and the blizzaks had nice traction in my experience.
 

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Yeah, I saw that they did have that as an option. I was impressed with the blizzaks with my current 2018 f150 and was figuring it would be nice to continue to use them.
I was just concerned that the current size is 3% off versus having a "equal match" of the 275/60R20 ... From what you have said, I feel like using the rest of the lifespan of my current snow tires will just mean the speed/odom will be off by 3%... I was a little concerned that the computer in the electric vehicle might be more "sensitive" to the 3% error... Id rather not drop another $1K if I dont have to, but I would if its going to be a big problem.

How do you like the other tires in comparison? I have never tried those brands.

For me most of my driving will be in bay-area weather and not a problem. But in the winter, driving in snow country I want the snow tires for sure. It is very nice not to have to deal with chains and such and the blizzaks had nice traction in my experience.
My thoughts are if the sizes of all four wheels match the truck won't know that it is running 32s vs 33s. Maybe it will compare gps distance versus regular odometer distance, but I doubt it. I would run what you have.
 
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