Three’s a crowd?

Q Mark, kudos again to you! Us ‘grass roots’ racers owe you a great debt for the invaluable technical understanding of all types of race car suspension systems.

So here’s my question, in relation to vintage leaf spring suspension.

First, on road course cars with live rear axles, the simple three link with heim joints / rods anchoring one upper and two lower arms, with a Panhard bar for lateral control, has been the most common, simple and effective solution – whether using leaf springs or coilovers.

Many of the cars with leaf springs use a ‘slider’ configuration – that is plates with four holes for u-bolts