Vibration help
09-09-2007, 02:05 PM
#2
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Originally Posted by Blackhawk777
I have a dull vibration at higher speeds (80+). Would U joints or an out of balance driveshaft cause this?
09-09-2007, 04:10 PM
#3
I have vibration as well, slight at 55mph more noticeable at 60 then worse as speed increases. Not awful but it is there. Thought it might be my warped rotors but I replaced them and it still does it. Seems to be coming from the front, I feel it in the wheel.
Tires maybe? Gonna change those soon, mine don't have much tread left at all. I'll get an alignment done while I'm at it as well.
Tires maybe? Gonna change those soon, mine don't have much tread left at all. I'll get an alignment done while I'm at it as well.
09-09-2007, 06:10 PM
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welcome to the club a lot of people have this problem.
i also have it and 65 is about a fast as i want to got be for it gets too worse.
ive rotated my d/s
rotated tires
swaped wheels and tires
turned rotors
and pinion angle----helped but still have it
teh other day i jacked up the rear and sat it on jack stands, susp loaded but wheels off the ground. got it up to speed and it was still their. so the i removed the rims, still their, when i took out my d/s it was gone.
the local shop wants to much to check it out (my d/s) and whos to say i wont break it a week later, so i got a pst in the mail. i dont know what else i could do.
i also have it and 65 is about a fast as i want to got be for it gets too worse.
ive rotated my d/s
rotated tires
swaped wheels and tires
turned rotors
and pinion angle----helped but still have it
teh other day i jacked up the rear and sat it on jack stands, susp loaded but wheels off the ground. got it up to speed and it was still their. so the i removed the rims, still their, when i took out my d/s it was gone.
the local shop wants to much to check it out (my d/s) and whos to say i wont break it a week later, so i got a pst in the mail. i dont know what else i could do.
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09-09-2007, 08:30 PM
#9
Your driveshaft huh... Hmm ouch. Could it have just been off balance?
I'm hoping mine is just tires or an alignment problem (I know the alignment is a bit off). But as long as it isn't like its a big problem though I'll not worry about it for now, my old car vibrated a LOT worse than this one does. If it IS something big though... ouch. Don't have much $$$ right now :/
I'm hoping mine is just tires or an alignment problem (I know the alignment is a bit off). But as long as it isn't like its a big problem though I'll not worry about it for now, my old car vibrated a LOT worse than this one does. If it IS something big though... ouch. Don't have much $$$ right now :/
09-09-2007, 08:38 PM
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they wanted $50 just for looking at it.
and they wanted another $200 to but a new front u-joint and yolk and they wanted to put thoes on be for they balanced it.
but they said it was not bent. but i have all ready spent to much on the stock d/s 2 u-joints $60, shop checked it out $50 and if i wanted to keep the stocker then new front u-joint and yolk $200. thats $310 and whos to say i wont break it next time out. im launching at 5500 rpm maby more rpm next time out on et streets i didnt want to spend the money on the stocker and have it break when that money could have went towards the pst drive shaft btw its ratted to 1200 hpn and the u-joints have a 10year warrenty,think it was time for a new one any ways
and they wanted another $200 to but a new front u-joint and yolk and they wanted to put thoes on be for they balanced it.
but they said it was not bent. but i have all ready spent to much on the stock d/s 2 u-joints $60, shop checked it out $50 and if i wanted to keep the stocker then new front u-joint and yolk $200. thats $310 and whos to say i wont break it next time out. im launching at 5500 rpm maby more rpm next time out on et streets i didnt want to spend the money on the stocker and have it break when that money could have went towards the pst drive shaft btw its ratted to 1200 hpn and the u-joints have a 10year warrenty,think it was time for a new one any ways
09-14-2007, 01:49 PM
#12
Don't forget to check the front wheel bearings. Raise the front end on jackstands. Grab the wheels @ 12 and 6 o'clock, rock in and out. If there is play, the bearings are worn. Very simple to replace, the hub assembly is all one piece and just bolts to the spindle. It they check out, tire balance and alignment would be next on the list if you feel it through the steering wheel.
09-14-2007, 01:55 PM
#13
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PST has GREAT customer service! I have one of their carbon fiber ones. 
I got rid of my vibration by adjusting my torque arm to a proper driveline angle (80%) and then replacing my stock shaft with a carbon fiber one (20%).
I got rid of my vibration by adjusting my torque arm to a proper driveline angle (80%) and then replacing my stock shaft with a carbon fiber one (20%).