68 Corvette Ride Height Adjustment
Thread Starter
Melting Slicks
Joined: Apr 1999
Posts: 2,675
Likes: 13
From: Sudbury MA
68 Corvette Ride Height Adjustment
The driver side of my 68 sits 1 inch lower than the passenger side.
This might be due in part to the fact that I rarely carry passengers but I thought there was some way to adjust the ride height with the rear spring.
Does anyone have any info on how to do this
Thank you in advance
Kurt
This might be due in part to the fact that I rarely carry passengers but I thought there was some way to adjust the ride height with the rear spring.
Does anyone have any info on how to do this
Thank you in advance
Kurt
Race Director
Joined: May 2006
Posts: 18,737
Likes: 2,583
Normally both nuts on the rear spring bolts should be at the same height. If they are not you can adjust them otherwise your spring may need to be replaced or the bushings are shot. Does the rear spring have some arch in it, or is flat, or bent downward at the ends?
Team Owner
Joined: Sep 2006
Posts: 31,278
Likes: 4,372
From: Westminster Maryland
Hi Kurt,
Have you measured the front ride height?
Is the right front lower than the left front?
What's the dimension from the center of the rear wheel arch to the ground? Typical is about 28" or just a hair less, using F70 sized tires or something similar.
Regards,
Alan
Have you measured the front ride height?
Is the right front lower than the left front?
What's the dimension from the center of the rear wheel arch to the ground? Typical is about 28" or just a hair less, using F70 sized tires or something similar.
Regards,
Alan
Melting Slicks
Joined: Oct 2012
Posts: 2,156
Likes: 273
From: Dunedin NZ.
I had your problem and as Alan mentioned check the front springs, when I replaced mine the car sat level. The PO had the rear spring done in an effort to fix the problem and it made no difference. You can always reverse the rear spring to see if it is the problem though. Outside of this its time to check the frame alignment etc.
Team Owner
Joined: May 2001
Posts: 87,375
Likes: 1,593
From: Western NY
Keep in mind, however, if the left rear is low, it will also affect the left front, but to a lesser degree. You need to measure the ride height at all 4 corners, then decide what is causing the unevenness
Using the body as a reference isn't always the best idea, however, as the bodies aren't always manufactured/mounted with 100% accuracy. The factory generally uses the inner lower a-arm bolts as a reference. Measure from the bolts to the ground, and compare the numbers in the front. Then measure the distance in the rear. The front to rear numbers will be different, but the side to side numbers should be equal. Or, in the rear, measure from the lower frame rail, just in front of the rear tires, to the ground.
Using the body as a reference isn't always the best idea, however, as the bodies aren't always manufactured/mounted with 100% accuracy. The factory generally uses the inner lower a-arm bolts as a reference. Measure from the bolts to the ground, and compare the numbers in the front. Then measure the distance in the rear. The front to rear numbers will be different, but the side to side numbers should be equal. Or, in the rear, measure from the lower frame rail, just in front of the rear tires, to the ground.
