[DeTomaso] Any interest in dual (no booster) brake MCconversion?

Will Kooiman will.kooiman at gmail.com
Wed Mar 28 22:54:48 EDT 2012


I did it to mine, and I love it.

I should say I loved it.  The car hasn't moved in more than 2 years, but
that's a different story.

I replaced everything with a plate and a pedal assembly from Wilwood.

The biggest problem is without a jackshaft for the clutch pedal, the
assembly puts the clutch master right next to the driver's wheelhouse.  I'm
on my 3rd iteration.  This one uses a smaller clutch master, the plate is
aluminum, and it is polished on the front trunk side.

I'm using the stock Girling brakes.  With this rebuild, I plan on upgrading
the brakes at the wheels.  I'm not to that part of the rebuild yet, though.

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of MikeLDrew at aol.com
Sent: Wednesday, March 28, 2012 9:37 PM
To: kenn_green at yahoo.com; detomaso at realbig.com
Subject: Re: [DeTomaso] Any interest in dual (no booster) brake
MCconversion?


In a message dated 3/28/12 19 18 38, kenn_green at yahoo.com writes:


> I can email photos to anyone interested.  It really cleans up the front 
> trunk.  Maybe not a good idea with stock calipers, but if you have big 
> brakes, seem like the way to go.
>  
> 

FWIW, Geoff Peters has been struggling to make his GT5 stop after he 
ditched the brake booster to save weight (!?)

He's got six-piston Wilwoods on the front and four-piston in the rear.   He 
has gone through numerous different sized master cylinders in an attempt to 
get the car to stop properly, to no avail.   It still requires an enormous 
amount of pedal effort.   I drove the car from England to Modena and back, 
and it wasn't nearly as pleasant as it might have been otherwise.

The fundamental problem is that the pedal doesn't have enough mechanical 
advantage.   Normally when cars are available either with, or without power 
brakes, they have a different brake pedal depending on the application; the 
one without power has a much higher leverage ratio.

What is your reasoning behind getting rid of the power assist?

Mike
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