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Sep8-09, 05:09 PM
P: 1
Very well done, Ranger Mike. I am just about to enbark on designing and fabing front uprights for a dwarf car to lower the amount of scrub. I have some pictures of an IRL car and their uprights to start from.

My question is the effect of the height of the spindle from the lower ball joint on the front end geometry. I would like to raise it in order to lower the ride height of the car. I have not seen any articles on it (I have the Steve Smith book on race car suspensions) I have a pretty good physics background from GMI. I was going to go and do some 4-bar linkage diagrams on my own, but if you have some information, I would appreciate it.

As for the push off in the sprint car, I would say it is either in your stagger (you did not mention how much you run) or the rear steer. The car is standing up on the rear tires and the front end geometry has little to do in the equation when a is as positive as with you or a top fuel dragster!!!.