Figure Four: A Guide to Tuning Your Four-Link Suspension System



Over the years, drag racers with door cars have gone through all sorts of suspension arrangements. Lift bars, slapper bars, Super Stock springs, leaf links, ladder bars, three-links,four-links, and torque arms (there may be others too, but it’s a start). Of all of the systems, the most common you’ll see today is the equal length four-link, probably followed by the ladder bar.

To complicate things, there has been quite a bit penned over the years regarding suspension setup–some right and some wrong (some very seriously wrong).  That has led to all sorts of misinformation, which in turn is bad news for the racer. What we’ve done here is cut through the maze of information (good and bad) and we’ve gone straight to an established expert on the subject–Jerry Bickel.

It should be no surprise to anyone reading this that Bickel has built more than his fair share of championship winning race cars, and he is certainly no stranger to tuning suspension systems. What you’ll see below is Bickel’s personal take on ladder bars and four-link setups.

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