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WCM Ultralite S2k

Brake Bias Issues

The only major dynamics complaint I had about my Ultralite was the rear lockup issue under hard braking. The car comes with a very nice set of Wilwood brakes (front and rear) with separate master cylinders for the the front and rear so it definitely wasn’t a component quality problem.

The issue I was having is that under hard braking at autocross the rears would immediately lock up and cause a lot of oversteer. This was even worse at the track where braking at the end of straights would lock the rears well before the fronts leading to bad porpoising at the rear.… Read the rest

Categories
WCM Ultralite S2k

“Diff”icult times

After 18 months of procrastinating about updating the blog about the Ultralite I figure its time to start putting pen to paper (or fingers to keyboard). Regular followers of the blog may remember that my Buttonwillow adventure ended with the Ultralite being flatbedded home as it looked like on of the two bolts holding the diff in place had backed out and gas tank prevented me from doing a roadside fix. I was thus still quite happy on the truck ride home as I thought it would be an easy fix and I should be back on the road soon – little did I know that I was in for some “diff”icult times.… Read the rest