vehicle setup ride height vs. cross weight

VEHICLE SETUP RIDE HEIGHT VS. CROSS WEIGHT DRIVER
VEHICLE SETUP RIDE HEIGHT VS. CROSS WEIGHT SERIES

~9-3/4' at the body work and about 8-3/4' at the 'spindle' end. Nose cone measurement = 4-1/2' from ground to bottom of forwardmost fiberglass part of cone.Īt the above measurements, the lower A arms are slightly downward sloping toward the wheels. Rear measurement = 6-1/4' from ground to frame (where crossmember interesects with main frame rail ~4.5' ahead of rear wheel arch) '.Measure it up and let me know.' - Stackįront measurement = 4.5' from ground to frame (where diagonal member intersects with main frame rail below firewall) The ride height is meant to be in one spot you should look to move weight, adjust the shocks. Bickel explains how the way the 4-link plays into how you adjust the car.

VEHICLE SETUP RIDE HEIGHT VS. CROSS WEIGHT SERIES

This is the same procedure I used on my Challenge series car in 2003, but I did it with just me in the driver's seat (as that's how it's raced). When it comes to the chassis ride height, that part of the calculation is already baked into the car, and the racer should not look to the 4-link as a way to adjust this. That simple adjustment didn't do anything measurable to the ride height, but the cross weights were then within +or- 10lbs (the accuracy of the scales). I took it back to the garage and put one additional turn in on the rear corner that was 'light' and reweighed.

VEHICLE SETUP RIDE HEIGHT VS. CROSS WEIGHT DRIVER

With no driver and no passenger it was about 80lbs heavier in one cross weight than the other. Not that it's going to be raced or anything, but I wanted the cross weights to be at least reasonably close. When I adjusted the ride height on all four corners, I then went over to the County scales to weigh each corner (free to use!). But, I can give you rolling diameters if that will help. All this is going to vary with different wheels and tires to a degree. What is more, the cars frontal area can be. If you want the measurements, I can check them tonight. These include the way that the ride height remains the same or at the desired level, regardless of vehicle load. I also had the second motivation of keeping the nose cone off the pavement a reasonable amount. I wanted to get the control arms so that motion would have minimal bump steer with normal driving.

The front is most critical because of the suspension. I measured and adjusted mine from the frame, just ahead of the 'rear' wheels and at the 'front' just below the fire wall on the frame.

Vehicle setup ride height vs. cross weight