Quote:
Originally Posted by Vette Guy
I race with Pestolin Super Dot 4, (just over 500 dry boiling point) in the ‘88 with J55 calipers and have never cooked the brakes even with slicks. I’m also running DRM stainless caliper pistons and have brake cooling duct hoses. I threshold brake and run 30 min sessions. It’s very reasonably priced and what I use in my Z. On the ‘96 race car (WC GT), I run Amsoil Dominator brake fluid (410 wet/ 580 dry) with Coleman calipers up front with cooling ducts and J55s on the rear (threshold brake at much higher speeds). With street tires, I’d think Super Dot 4 would be more than adequate for a track day. That said, I always flush fluid before every event. If you run HPDEs and want to sleep well, I’m sure Motul, Redline or Wilwood 600 won’t let you down. Still, Amsoil Dominator has one of the best wet boiling points of 410 if you want to fill and forget for a year.
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Thanks 4 the insight - coming from a "track guy", that is the kind of recommendation we occasional WARRIORS can appreciate!
3(?) years ago during a sprint on "Tail of the Dragon", several who were there on that run got a first-hand lesson about brake fluid maintenance.
Fortunately, the (new GS) driver was able to down-shift and with the e-brake get stopped at a pull-over spot w/o incident except a good scaring! He was able to tip-toe in low gears to the bottom where there was a large turn-out where Mr. FIX-IT (aka Jim Voter) pulled a bottle of fresh brake fluid from his emergency kit and a lesson on bleeding brakes ensued.
Point well taken: Part of one's annual spring routine should be bleeding the brakes - replacing the fluid. And, don't forget the clutch and power steering too, especially if you do or plan to do any aggressive driving (speaking from the
"School of Hard Knocks" here!).
Gonna be 50º and sunny in Chicagoland today. Maybe I should heat up MY brakes a bit today?