Autocross/Solo2?
4th Gear Member
Joined: Dec 2006
Posts: 1,209
From:
RE: Autocross/Solo2?
ORIGINAL: PonyGT2005
PonyPilot,
To answer your question about the brake fluid, under stress conditions, the brake fluid will a) not be able to manage at the temp the brake system is operating under, and b) under prolonged stress the fluid will break down (no pun intended). This breakdown can be measured using a variety of test tool/techniques. There are usually one or more fluid testers available when I am at the track so I can usually test the temp after runs to make sure that all is well...after I switched to Motul I have not had any problems. There are other brake fluids that will do well also.
If you are running single slalom runs (I think you mentioned 43 seconds?) with a decent amount of time between then your brake fluid probably is fine.
I apparently needed to read your post closer....when I hit the track my runs are roughly half hour sessions which over a multi-mile track stresses the brake system A LOT. In some cases I run back-to-back sessions and that is actually when I noticed the fluid was not up to the task.
If you are not running under the same conditions then skip my recommendation ...for now anyway.
PonyPilot,
To answer your question about the brake fluid, under stress conditions, the brake fluid will a) not be able to manage at the temp the brake system is operating under, and b) under prolonged stress the fluid will break down (no pun intended). This breakdown can be measured using a variety of test tool/techniques. There are usually one or more fluid testers available when I am at the track so I can usually test the temp after runs to make sure that all is well...after I switched to Motul I have not had any problems. There are other brake fluids that will do well also.
If you are running single slalom runs (I think you mentioned 43 seconds?) with a decent amount of time between then your brake fluid probably is fine.
I apparently needed to read your post closer....when I hit the track my runs are roughly half hour sessions which over a multi-mile track stresses the brake system A LOT. In some cases I run back-to-back sessions and that is actually when I noticed the fluid was not up to the task.
If you are not running under the same conditions then skip my recommendation ...for now anyway.
3rd Gear Member
Joined: Sep 2006
Posts: 901
From: So. Calif.
RE: Autocross/Solo2?
I tried it a couple of weeks ago at a charity event put on buy a corvette club and it was a blast.My "In-Car" video is located here on the autocross page:
4 Aces Racing
Alot of my video stuff is large so be patiant when downloading..........
4 Aces Racing
Alot of my video stuff is large so be patiant when downloading..........
1st Gear Member
Joined: Jul 2005
Posts: 82
From:
RE: Autocross/Solo2?
Be careful doing that. DOT 5 is silicone-based (DOT 3 is glycol-based), incompatible with most brake systems unless you change a whole bunch of pieces (hoses, valves, etc.) There is a DOT 5.1 fluid that you can use that will give you the higher boiling point you are looking for. I'll be changing mine in the next week or so - probably going to go with DOT 5.1 if I can find it.
Here's a couple of links about brake fluid:
http://www.motorcycleproject.com/mot...rakefluid.html
http://www.gtgtandems.com/tech/chap10.html
Here's a couple of links about brake fluid:
http://www.motorcycleproject.com/mot...rakefluid.html
http://www.gtgtandems.com/tech/chap10.html
3rd Gear Member
Joined: Dec 2006
Posts: 852
From:
RE: Autocross/Solo2?
so I'd like to change my fluid out in my daily driver for both autox and HPDE. i know how to bleed the brakes, but to change the fluid altogether is different. should i just pay somebody to flush the old and put in the new, or can i just do this myself? i do most of my own work anyways, so i'm not scared to do it if it's safe, easy, and relatively cheap!!!
