[a427sc]

I agree that a good race brake fluid is required (I use wilwood550). But you should also check out better air flow to and out of each brake rotor/wheel.

I use the oblong air intakes either side of the rad opening, ducted directly to the center of the rotor in front. Extra air can be taken with a small scoop through the side wall inside the rad inlet and piped to the same place. Do the wheels you use have enough opening to pass the air flow out?

And in the rear, inboard or outboard brakes? Until I got a strong flow to the Jag inboards, 5-6 laps was all there was. I set up a snorkle, ducted to the rears, as my car has no windshield (the blackbox next to my head in the picture). When I had the windshield on, there are 2 high pressure areas to draw from. One is alongside (protruding forward about 1" ) the passinger side of the w/s. The other is on the cowl just behind the door, where the body curves up.

good luck

Don