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Old 11-24-2013, 09:44 AM   #1
stt816
 
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Shaky Steering Wheel

I have pfadt lowering springs and have the street custom alignment they recommend. Also just got new tires on my 20x9 front&rear (275/40/20 all around) Now at 55+mph the steering wheel is very shaky. What is the cause of this and how can I get it fixed? Thanks
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Old 11-24-2013, 10:16 AM   #2
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If you just got new tires, and assuming you didn't add wheel spacers, the balance is probably off. Take it back and have them rebalance the wheels.
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Old 11-24-2013, 10:40 AM   #3
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Originally Posted by 130R View Post
If you just got new tires, and assuming you didn't add wheel spacers, the balance is probably off. Take it back and have them rebalance the wheels.
thank you, no wheel spacers.... i felt it a little before i upgraded the tires but now i feel it even more. Couldn't be the alignment right?
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Old 11-24-2013, 10:53 AM   #4
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Did you have 20x8 on the front previously?
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Old 11-24-2013, 10:55 AM   #5
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thank you, no wheel spacers.... i felt it a little before i upgraded the tires but now i feel it even more. Couldn't be the alignment right?
Not likely. Also check that the lug nuts are properly torqued. If you have a torque wrench, loosen them, them tighten them to spec in the proper sequence. All tire shops should do this really, don't be afraid to ask them to do it.





Going to 9" wheels with 275's in the front should make no difference as long as they are properly balanced.
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Old 11-24-2013, 10:58 AM   #6
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I suspect tire balance, but did you give the tires time to warm up? The stock P Zeros tend to flat spot especially when its cold. Not sure what tires you are running now.
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Last edited by gotroost; 11-24-2013 at 10:59 AM. Reason: More info
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Old 11-25-2013, 11:24 AM   #7
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Originally Posted by gotroost View Post
I suspect tire balance, but did you give the tires time to warm up? The stock P Zeros tend to flat spot especially when its cold. Not sure what tires you are running now.

I am running general g max's now. The highway ramp is about 5 minutes away from me so they should be warmed up by then
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Old 11-26-2013, 12:34 PM   #8
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Going to 9" wheels with 275's in the front should make no difference as long as they are properly balanced.
Wider tires would impact ride on roads with heavy truck traffic
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