Suspension Mild vibration with recent spring change
6th Gear
Joined: Jan 2003
Posts: 3,301
Likes: 1
Well, for now, I'm just going to drive the **** out of the car at the track. If it breaks, I've found it. I've spent an intense 10 days looking for it. Everything is torqued correctly, installed correctly - all new nuts and bolts. Dunno???
Originally Posted by meb
I added to another thread about this. I installed Megans. The vibration eminates from the passenger side under acceleration in any gear; it is most pronounced in the lower gears as one might expect. The car is 3/4" lower than stock. I set the dampers at full hard to full soft. The vibration becomes very faint at full soft and very apparent at full hard - the Megans have a mono-ball upper front mount, so some grainyness gets into the steering anyway.
I've got about 600 miles on the set up and the vibration is not going away. I was extremely carefull with the axles and CV joints during the install.
So, I've no idea, but this appears to be a random, albeit, an obvious condition.
I've got about 600 miles on the set up and the vibration is not going away. I was extremely carefull with the axles and CV joints during the install.
So, I've no idea, but this appears to be a random, albeit, an obvious condition.
6th Gear
Joined: Jan 2003
Posts: 3,301
Likes: 1
MiniS47,
What is your fender to wheel gap? Or better yet, jack point to ground. The front fender position may not be identical car to car since it is also the bonnet - a potential variable.
What is your fender to wheel gap? Or better yet, jack point to ground. The front fender position may not be identical car to car since it is also the bonnet - a potential variable.
Originally Posted by MiniS47
I have the Megans as well. Measured from the centerline of the hub to the lower edge of the plastic wheel arch trim, the front is 13 inches and the rear is 12.5 inches. If I go any lower up front I start to get the vibration (regardless of the damping rate or camber).
Originally Posted by meb
MiniS47,
What is your fender to wheel gap? Or better yet, jack point to ground. The front fender position may not be identical car to car since it is also the bonnet - a potential variable.
What is your fender to wheel gap? Or better yet, jack point to ground. The front fender position may not be identical car to car since it is also the bonnet - a potential variable.
4th Gear
Joined: Nov 2005
Posts: 395
Likes: 0
From: Springfield, Missouri
Originally Posted by meb
Well, for now, I'm just going to drive the **** out of the car at the track. If it breaks, I've found it.
You guys are making me feel better though, because after lowering my car with Koni Yellows & springs and the install of the Helix/RDR camber plates the front of my car was higher than the back by the same amount you mentioned is needed to not have a vibration {which I don't}. I was very dissapointed and was trying to figure out how to lower the front {for looks}, but now I think I will just leave it.
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