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Re: Disc brakes

To: mgvrmark@hotmail.com
Subject: Re: Disc brakes
From: JWoesvra@aol.com
Date: Thu, 29 Nov 2001 16:14:03 EST
In a message dated 11/29/01 12:47:22 PM Pacific Standard Time, 
mgvrmark@hotmail.com writes:


> Jack,
> 
> OK, but would you allow Girling front-wheel disc brakes on a 100-4?
> 
> I can now understand the fitment of 100-S four-wheel Dunlop discs, since 
> apparently it was documented as an "option" on the 100-4 ... but does that 
> then justify the use of later, Healey 3000 type front-wheel Girling discs 
> on 
> a 100-4?
> 
> 

I don't think so. Again it is a grey area. Rotor or drum diameter was really 
all that was specified in the rule books. And, certainly the allowances of 
the fifties were stricter than in the sixties.

They were actually more concerned that your brakes worked, than what their 
specification was. 

Here is a quote from 1954 GCR: "All brake parts must be in perfect working 
order, and the brake linings must be new or very good. The entrant should be 
prepared to remove his brake drums for inspection".

The 1962 FIA regs for Group One Touring Cars say: Brakes: any system 
improving the cooling or increasing the safety of the braking system is 
authorized".

You want to argue that one??

It would have been rare for someone to actually check that you had the 
correct caliper as long as the rotor was the correct diameter. By the early 
sixties calipers could be modified but not substituted.

jw

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