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Re: Brake Fluid for LBCs

To: Bushwacker4@prodigy.net, Spridgets@autox.team.net
Subject: Re: Brake Fluid for LBCs
Date: Fri, 11 Feb 2000 11:28:13 EST
In a message dated 2/11/00 7:58:33 AM Eastern Standard Time, 
Bushwacker4@prodigy.net writes:

<< Back in the old days, we were always told to use only English brake fluid
 because the seals were made of natural rubber instead of vulcanized rubber.
 Is that true for a 1976 Midget? I checked the manual and found nothing about
 what kind of fluid to use. It just says "approved" brake fluid. The master
 cylinder cap says DOT 3.
 If so, can you name a brand? Girling? Lockheed? Castrol? >>

- - - - - - - - - - - - - - - 

Here we go!!!  (Sorry, Kent, but the brake fluid thread comes up 
every 3 months or so.  There is a load of info on the subject in the 
list archives.  http://www.listquest.com/auto/tier2/british.html)

Do not use DOT 3 brake fluid of any brand.

You can use any DOT 4 fluid.  I prefer Castrol LMA which is 
Low Moisture Absorbancy and is DOT 4.  Others use silicone 
brake fluid, which is called DOT 5, but you should rebuild the 
entire brake system, replacing all the rubber parts before changing 
fluid.  DOT 5 will not eat paint, so it is good for show cars.  Daily 
drivers will benefit from Castrol LMA, as it is less compressible (sp?), 
it is easier to bleed, and it doesn't let water puddle at low spots.

One last suggestion.  Change the brake fluid on a regular basis.  
If you use DOT 5 (silicone) change it annually.  With DOT 4, 
Castrol LMA, or synthetic brake fluid (Valvoline makes a synthetic 
DOT 4 that is pretty good), change it every two or three years.  
You'll be glad you did.

Standard disclaimers apply to the Brake Fluid Thread.  If you don't 
know what you are doing with hydraulic braking systems, hire a 
mechanic.  Safety Fast!  Do not try this at home.  Close cover before 
striking.  Batteries not included.  No one under 17 admitted.  May 
cause drowsiness.  Don't get your scarf caught in your wire wheels.

Allen Hefner
SCCA Philly Region Rally Steward
'77 Midget
'92 Mitsubishi Expo LRV Sport

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