[DeTomaso] master brake cylinder

Roland Jaeckel pantera874 at t-online.de
Sat Mar 26 09:46:58 EDT 2011


Sorry,

Jack is wrong. The original master cylinder is avaiable individually (at 
least at my shop) for 250.00 Euro. The advantage on the new cylinders is, 
that you can choose to what side the brake lines go out. On a resrauration, 
you can put the lines to the left side and gain some space in the trunk.

Roland Jaeckel
DeTomaso Parts Center Europe

----- Original Message ----- 
From: <JDeRyke at aol.com>
To: <cwhamm at frontier.com>; <detomaso at realbig.com>
Sent: Saturday, March 26, 2011 8:46 AM
Subject: Re: [DeTomaso] master brake cylinder


> In a message dated 3/25/11 10:16:04 PM, cwhamm at frontier.com writes:
>
>> Is there a rebuild kit for the master brake cylinder on a stock 74
>> pantera
>>
> No- and that might be a good thing. The master cylinder is made of soft
> cast iron, so it often pits from owners not changing brake fluid often 
> enough
> to keep from rusting from accumulated moisture in the fluid. The rust pits
> tear the seals. Adding new seals if you could find them only would tear 
> the
> new seals just like the old ones. Honing the cylinder enough to eliminate 
> the
> pits oversizes the bore so an OEM 'kit' wouldn't seal. The game is over 
> for
> that cylinder. It could be sleeved back to stock bore at high cost, but 
> I'm
> unaware of any kit that will fit. Worse, Bendix-Italia will not sell just 
> a
> master cylinder: whats available is an entire new power brake assembly. 
> It's
> reportedly the same unit as used in 308-series Ferraris, by the way...
> This is why you see myriad different master cylinders adapted to Panteras'
> OEM power brake assembly. When I lost a master cylinder a few years ago, 
> my
> choice was a complete GM power brake assembly adapted by Precision
> Proformance to fit the Pantera. The booster diaphragm assembly is slightly 
> larger
> while fitting the Pantera so you get more power assist, the (aluminum) 
> master
> cylinder is larger bore (and rebuildable) so it accomodates larger bore
> aftermarket calipers, and its cheaper than an OEM assembly. Plumbing it 
> for new
> lines may be a bit of an issue for some but IMHO the Pantera's stock brake
> plumbing can stand some redesign anyway. FWIW- J DeRyke
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