tire weights and balancing
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Laughing Gas
Joined: Feb 2007
Posts: 769
Likes: 156
tire weights and balancing
I went down in size of rims from 20 to 18" last week. Bought the rims/tires off of craigslist that were less than 10,000 mile on takeoffs of a 2017 F250.
Had them balanced at Discount Tire and specified road-force balanced.
I've noticed shaking in vehicle when up to speed. Vibration is in seat so I'm assuming its the back wheels. Check the lug nuts and torque was fine. Notice back wheels had about 3-4 oz of weights, driver front had 3 oz and passenger front had 4.25 oz.
Over the years I've notice that anything over 3 oz is an issue either with tires, balancing, or rims. I understand that tire mfgs allow up to 1% of weight of wheel for wheel weights but that would mean you could use up to 7 oz.
I've also noticed that proficiency of tire techs at Discount Tire vary from store to store. I'm going to another store to verify the balance.
Also does everyone run the specified torque on the lug nuts which is 165 ft-lbs?
Had them balanced at Discount Tire and specified road-force balanced.
I've noticed shaking in vehicle when up to speed. Vibration is in seat so I'm assuming its the back wheels. Check the lug nuts and torque was fine. Notice back wheels had about 3-4 oz of weights, driver front had 3 oz and passenger front had 4.25 oz.
Over the years I've notice that anything over 3 oz is an issue either with tires, balancing, or rims. I understand that tire mfgs allow up to 1% of weight of wheel for wheel weights but that would mean you could use up to 7 oz.
I've also noticed that proficiency of tire techs at Discount Tire vary from store to store. I'm going to another store to verify the balance.
Also does everyone run the specified torque on the lug nuts which is 165 ft-lbs?
Hotshot
Joined: Oct 2015
Posts: 19,711
Likes: 12,851
From: Wyoming
Yes, I use the Ford specified torque on the lug nuts. Why would you run anything else?
All my tires and wheels come from Discount Tire. Yeah, they don't always get it right. Take it back and let them correct it. My local DT is pretty quick about fixing issues, with no questions asked.
All my tires and wheels come from Discount Tire. Yeah, they don't always get it right. Take it back and let them correct it. My local DT is pretty quick about fixing issues, with no questions asked.
Junior User
Joined: Dec 2018
Posts: 88
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From: Camano Island WA
I bought brand new tires from discount tire for my '06 and had them rotated every 5k miles and they look straight and perfect. They are a 275/70R18 BFG KO2 with roughly 17k miles on them I think. When I sold the 06 I put those wheels and tires on my '11 and noticed that my tires like to bounce a lot now. Took them down to 50 PSI and that changed a little. Had them balanced 3 times by 2 shops and that didn't do anything. I got an alignment on the truck when I first bought it (both the '06 and the '11) so I thought the alignment would be good but I leveled the '06 and never got it aligned. Long story short looking and feeling the tire would make you think they are fine. Once you drive at around 40 MPH you know they are worn unevenly.
Anyway, that's the long version of saying that if the balancing comes back good than the guy may have put a leveling kit on his truck and didn't align it.
Anyway, that's the long version of saying that if the balancing comes back good than the guy may have put a leveling kit on his truck and didn't align it.
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Laughing Gas
Joined: Feb 2007
Posts: 769
Likes: 156
Just got back from the Discount Tire that I've had good success. The tire tech said that two of the tires were off and that if the last tech didn't use a metal spacer instead of a plastic spacer on the road force balancer that could have thrown the results off .
The truck drives much smoother. I'm assuming the young tire techs at Discount tire get on the job training vs class room training on how to balance tires correctly.
The truck drives much smoother. I'm assuming the young tire techs at Discount tire get on the job training vs class room training on how to balance tires correctly.
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 26
From: Middle Tn.
If a balance takes too much on one side they should rotate the tire on the rim to find a more balanced position. That’s the difference between an inexperienced tech or one that’s just lazy. There are also some tires that just need to be replaced.
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