Putting on bigger tires, couple questions
08-06-2012, 06:13 PM
#1
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Putting on bigger tires, couple questions
I called my tire guy today about tires since I havent put on new ones in about 4 years and have about 50K on them. I dont think theyll pass inspection this month, and they are SUPER dangerous in ANY rain. So, I called up to see how much my 225's were currently since they were $84 mounted and balanced last time. He said that tire was antiquated and about $30 bucks more each than the 235's. Ok, fine, I dont mind larger tires. HOWEVER, what Im worried about is the speed gear. How much of a difference will 235's make over 225's? Do I need a new speed gear?
08-06-2012, 06:46 PM
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Thanks. Ragged, I used to run around your area a lot in the mid/late 90's. I lived in S. Berwick, worked in Kittery, striper fished & surfed all over that place.
08-06-2012, 08:32 PM
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Year: 2000
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No problem, I'm about 25 minutes away in North Hampton. I know that area well. I'm running 31s now, and am only about 6mph off at 65 mph, so its really nothing to worry about.
08-06-2012, 09:29 PM
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Wow, that much? I was thinking like 2 or 3mph. Maybe I should change it then because Im regularly driving 75+ since thats our speed limit up here.
08-06-2012, 09:43 PM
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haha i was expecting a dumb thread along the lines of "lol i want to put some big 35s on my XJ it has 8" lift and stock axles will the power loss really be that bad????? will i break the d35??????plz help thanks"
as stated, the difference is so minimal its hardly anything, throw the 235s on
as stated, the difference is so minimal its hardly anything, throw the 235s on
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08-06-2012, 09:55 PM
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Originally Posted by bigvig
Wow, that much? I was thinking like 2 or 3mph. Maybe I should change it then because Im regularly driving 75+ since thats our speed limit up here.
08-06-2012, 11:02 PM
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Originally Posted by bigvig
Yup, my bad. Just re-read that. Thanks again!
08-07-2012, 09:28 AM
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This is 100% not true. Obviously if you change tire size it will affect speedo. The difference is just very minimal.
Stock Tire 225/75-15:
Sidewall - 6.6"
Diameter - 28.3
New Tire 235/75-15
Sidewall - 6.9"
Diameter - 28.9
When your speed is 60mph your actual speed will be 61.3
Stock Tire 225/75-15:
Sidewall - 6.6"
Diameter - 28.3
New Tire 235/75-15
Sidewall - 6.9"
Diameter - 28.9
When your speed is 60mph your actual speed will be 61.3
08-07-2012, 11:44 AM
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Year: 1996
Model: Cherokee
Engine: i-6 4.0
Originally Posted by Photojared
This is 100% not true. Obviously if you change tire size it will affect speedo. The difference is just very minimal.
Stock Tire 225/75-15:
Sidewall - 6.6"
Diameter - 28.3
New Tire 235/75-15
Sidewall - 6.9"
Diameter - 28.9
When your speed is 60mph your actual speed will be 61.3
ha ha
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