How do we adjust for tire size on the EcoDiesel? - Jeep Garage - Jeep Forum

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Old 08-24-2014, 09:32 AM
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How do we adjust for tire size on the EcoDiesel?

Been searching, but from I'm not finding a way to adjust tire size for the EcoDiesel using a programmer.

I'd like to throw on my Sahara Rims with 225/70-18 tires.
However, I don't want to throw off the ABS and various other systems due to the increase in diameter.

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Old 08-24-2014, 09:43 AM
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Re: How do we adjust for tire size on the EcoDiesel?

Quote:
Originally Posted by FHLH View Post
Been searching, but from I'm not finding a way to adjust tire size for the EcoDiesel using a programmer.

I'd like to throw on my Sahara Rims with 225/70-18 tires.
However, I don't want to throw off the ABS and various other systems due to the increase in diameter.
The only programmer is the one Chrysler uses to do flash updates, etc. ... ie you cant do this your self. The Chrysler system only has a few preset tire choices in their system and their all relatively the same size.

On my Commander, I have tires that are one inch larger diameter thsn stock. I have driven it over 50,000 miles and have never encountered any issues due to the larger tire size.

You might be more concerned about going to a 225 wide tire as you are reducing the contact patch by quite a bit compared to the factory 265 wide tires.
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Old 08-24-2014, 10:27 AM
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Re: How do we adjust for tire size on the EcoDiesel?

Quote:
Originally Posted by rubicontrail.net View Post
The only programmer is the one Chrysler uses to do flash updates, etc. ... ie you cant do this your self. The Chrysler system only has a few preset tire choices in their system and their all relatively the same size.

On my Commander, I have tires that are one inch larger diameter thsn stock. I have driven it over 50,000 miles and have never encountered any issues due to the larger tire size.

You might be more concerned about going to a 225 wide tire as you are reducing the contact patch by quite a bit compared to the factory 265 wide tires.

Thanks... I figured as much.
in looking at the tire sizes offered on the range of GC's (laredo to SRT), they are all within .5% of each when it comes to diameter.

I had a typo, they are 255/70 -18. Standard Wrangler Bridgestone Tires.
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Old 09-02-2014, 01:05 PM
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Re: How do we adjust for tire size on the EcoDiesel?

Your speedometer reading will be off a bit but nothing else much.
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Old 09-02-2014, 06:33 PM
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Re: How do we adjust for tire size on the EcoDiesel?

found a possible answer
Products | Edge Products

This is for the Ram Eco Diesel. Edge is probably not far behind with a GC version. However for what this thing does it is not worth it.
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