I checked my notes from the race at Grattan and Gingerman last year to see
what we had for front disc temperatures when we came off the track. I
happened to be in the right place at the right time and acquired an infrared
temperature sensor "gun". At Grattan the RF was about 50 degrees higher
than the LF (400 vs 350) and at Gingerman they were about even (LF 385 RF
380). Keep in mind that we are just getting started and this is with
"rookie" drivers and a car with a 5500 to 6000 RPM redline and "stock"
bottom end. FWIW
The infrared sensor is a handy diagnostic tool to see if things are going
bad, especially if you have some baseline or "normal" readings. We've been
taking about 10 readings when the car comes off the track. May drop some of
the readings and add others, like front of the block versus rear to see if
we're overheating on #4.
Tim
----- Original Message -----
From: "Steven Belfer" <colordog.1@earthlink.net>
To: "FOT" <fot@autox.team.net>
Sent: Thursday, August 21, 2008 11:16 PM
Subject: [Fot] More brake dust on left front
> So I'm installing Uncle Jack's uprated spindles on my TR3 and, of
> course the old ones won't come out. Next thing you know, I'm taking
> apart the lower a-arms, spring pan, etc to get the uprights out. Took
> one side to the machine shop, he put it in the press, gave it a couple
> of pumps and nothing moved, he walked away and POP! Anyway, I noticed
> that the Driver's side front is much more covered in brake dust. It
> was very sooty and gross. The Right side, not so much, it didn't take
> much wiping down.
>
> So, because the road courses are clockwise and there are more right
> turns, If I'm completing my braking going into the RT turn, does that
> load up the Left front brake more Hence the deposits of brake dust?
>
> By the way, Uncle Jack's spindle setup AND aluminum front hubs are
> nothing short of amazing. One more question, do you have to double-
> nut the outer end of the spindle to tighten in the big nyloc nut on
> the inner end of the front upright?
>
> ~Steve
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