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RE: autocross #2 - Master Cylinder

To: datsun-roadsters@autox.team.net
Subject: RE: autocross #2 - Master Cylinder
From: Don Miller <turbospl311@yahoo.com>
Date: Tue, 26 Jun 2001 09:13:36 -0700 (PDT)
I am using a 15/16 master cylider from a 280 Z for my
race car. I plumbed in a proportioning vavle and I
still am in the habit of pumping the brakes everytime.
I use the left foot to pump and then the right foot to
brake hard. It did bolt right in. I used one form an
82 Z car.

Don Miller
68 turbo V-6 (Last Autocross had 2nd fastest time
overall, got beat by a Ralt RT-5 (indy car clone)
Meridian, ID

> >Yesterday was the second autocross for Tetanus.  We
> did
> >ok.  Out of 12 entries in CSP we came in 2nd.  I
> put a
> >510 brake master cylinder on last Thursday.  It
> didn't
> >help the brakes any.  I think I got a bad one, it
> was a
> >remanufactured unit instead of a new one.  I plan
> to
> >take it back and try another.  Still it was good
> enough
> >for 2nd place.  I beat a lot of Vettes, RX7
> turbo's,
> >MR2's, Camero's, etc...  There were at least 200
> cars at
> >the event.  We did better than the majority,
> including a
> >Viper and three differen Lotus Espri turbos.
> >
> >My method for braking was to pump the brakes to the
> >floor three times and hold.  I would then have to
> double
> >clutch to get it into second(bad syncros).  I then
> put
> >the pedal down till the next corner.  Needless to
> say it
> >was a scene from a Van Halen drum solo in the
> drivers
> >footwell.
> >
> >The car is very loose out on the course.  I think
> my
> >driving style has a lot to do with it, but I would
> still
> >like to tighten it up some.  I plan to install a
> limited
> >slip to tighten the rear, but I'm not sure what
> I'll do
> >to tighten the front.  I already have a 23mm
> swaybar.  I
> >guess I could increase the spring rate.  I may take
> the
> >camber back to 1.5 degrees negative from 2.  The
> tires
> >are wearing a little faster on the inside.
> >
> >Andy
> >
> >BTW- Mike Steinbach came in 4th in his beautifully
> >prepared 68 2000 solex.  That gave roadsters two of
> the
> >trophies in a twelve car field.
> 
>
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