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Consequence of 37" tires.


Fogbelly

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“Notice” is relative.

 

you’re going from ~65 lb unstrung weight each corner to ~100 lbs depending on wheel/tire setup.  That’s going to be the biggest difference in butt dyno feel, not the gears.

 

I went from stock 33s to 37s on my Jeep (4.10s), and granted it’s got a lot less hp to throw at the problem, but I could absolutely tell a difference.

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10 hours ago, Fogbelly said:

Assuming my F350 7.3 has a axle ratio of 3.73 with the stock 34.1" tires and I change to 37" tires. This will effectively be the same as a 3.44 ratio with the stock tires.  

Will I notice a performance degradation with the 37s?

 

 

you will notice less MPG obviously as it takes more gas to turn the tires. Hence you will not have the same UMMF or go as you would with the smaller tires. 

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Coming from the Jeep world, larger tires prematurely wears suspension parts and increases the chance of a failure offroad. Sticking with standard sized tires is an easy way to cut down on costs and increase reliability. It's also hard to find larger sized tires, if you travel outside the US with your truck.

Edited by Blackdiamond925
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22 hours ago, Blackdiamond925 said:

Coming from the Jeep world, larger tires prematurely wears suspension parts and increases the chance of a failure offroad. Sticking with standard sized tires is an easy way to cut down on costs and increase reliability. It's also hard to find larger sized tires, if you travel outside the US with your truck.

Yeah, but that's lame :)

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