High speed vibration
#1
High speed vibration
I didn't notice it before my tune because I couldn't go over 90mph...silly GM for governing it. But as soon as I got my tune back and went over 90mph, I got a nasty vibration from the rear end. At about 92mph, it begins; 95mph you can definitely hear it and slightly feel it; at 100mph, its really loud and there's an unmistakable feel of vibration, and I haven't gone any faster than that.
I didn't have my drop shackles in when it first happened, so they didn't cause it; this vibration was part of the truck since I bought it. I thought the shackles might have some effect on the vibration...but I was wrong. The vibration doesn't seem any stronger or weaker now than it did before.
I read a little bit into adjusting pinion angle... What do I need to do to fix this?
I didn't have my drop shackles in when it first happened, so they didn't cause it; this vibration was part of the truck since I bought it. I thought the shackles might have some effect on the vibration...but I was wrong. The vibration doesn't seem any stronger or weaker now than it did before.
I read a little bit into adjusting pinion angle... What do I need to do to fix this?
#7
Ok, update... I brought my truck in for a road force tire balance. They ran through it all and the tech said the balance on my tires was pretty bad, but all is well now. So I get on the highway and bring it up to 95...vibration is still there, strong as ever. So now we know it's not my tires, despite how shitty they are.
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#8
The House is Rockin'
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Ok, update... I brought my truck in for a road force tire balance. They ran through it all and the tech said the balance on my tires was pretty bad, but all is well now. So I get on the highway and bring it up to 95...vibration is still there, strong as ever. So now we know it's not my tires, despite how shitty they are.