Pics of new wheels on my 04 Cobra

TBCobra

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Not the best but here are some photos of the new wheel and the car lowered...supposedly. lol

Also, my abs light came on after driving down the road and my tc is off. When I shut the car off and back on both things go back to normal.

I know it's because of the new wheels/tires but I'm wondering if there is a fix for this. Is my abs really not working or is it just the light coming on?

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DSG2003Mach1

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what size are the front vs rear tires? If the difference exceeds a certain % it'll trip the ABS light. If the ABS light is on the traction control is off by default
 

TBCobra

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what size are the front vs rear tires? If the difference exceeds a certain % it'll trip the ABS light. If the ABS light is on the traction control is off by default

Front's are 265 rears are 305. Is the only fix getting new tires? The front wheels are only 8.5" so 265 is really what I want to run in the front.
 

DSG2003Mach1

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Front's are 265 rears are 305. Is the only fix getting new tires? The front wheels are only 8.5" so 265 is really what I want to run in the front.

There are tire size comparison calculators - put both tires in and see what the difference is. It should tell you a physical measurement difference, % difference
 

94slowbra1

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looks amazing. i had a set previously but sold, miss them everytime i see them.
i run a 265 35 up front and a 305 35 out back and have no abs light. sometimes when a sensor trips it takes a while driving it for it to turn off. id give it a little while and see if it goes off by itself. there is no reason those tires should cause that
 

apex svt

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Front's are 265 rears are 305. Is the only fix getting new tires? The front wheels are only 8.5" so 265 is really what I want to run in the front.
Wrong measurement, that’s width. You want height.
I run a 26 on the front 28 on the back my abs light turns on after I drive for awhile because of this. Sometimes it will engage the abs before it figures out what’s going on, be ready for that. There is no fix besides running the same height tire.
 

TBCobra

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looks amazing. i had a set previously but sold, miss them everytime i see them.
i run a 265 35 up front and a 305 35 out back and have no abs light. sometimes when a sensor trips it takes a while driving it for it to turn off. id give it a little while and see if it goes off by itself. there is no reason those tires should cause that

Thanks!

Hmm, yeah that's odd your doesn't do it but mine does. I'll give it some time and see if it goes away.
 

TBCobra

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There are tire size comparison calculators - put both tires in and see what the difference is. It should tell you a physical measurement difference, % difference

The calculator says there's a 1.1" difference in height.
 

DSG2003Mach1

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The calculator says there's a 1.1" difference in height.

Quick search says approx 3% different is the limit.

The abs modules are know to fail on these, they tend to be intermittent then die completely. If a scanner for the abs cant communicate it’s likely toast
 

TBCobra

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Quick search says approx 3% different is the limit.

The abs modules are know to fail on these, they tend to be intermittent then die completely. If a scanner for the abs cant communicate it’s likely toast

It would be very coincidental if my module failed, it happened on the first drive after my new tires were on.
 

03 Cobra DSG

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I have a abs module for sale if needed, came off my cobra with around 20k miles. You can pm if interested.


Sent from my iPhone using svtperformance.com
 

DSG2003Mach1

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It would be very coincidental if my module failed, it happened on the first drive after my new tires were on.

Check the wheel speed sensors on the from wheels (rear goes into the diff, front is up by the brakes). Clean em and check the cables
 

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