And if anybody doesn't like this blurb...they should be on Jerry Springer
!!!! Tell it like it is Jarrid!!!
-----Original Message-----
From: Jarrid Gross (Yorba Linda, CA) <GROSS(at)UNIT.COM>
To: alpines(at)autox.team.net <alpines(at)autox.team.net>; tigers(at)autox.team.net
<tigers(at)autox.team.net>
Date: Thursday, October 22, 1998 9:08 AM
Subject: Re: [Fwd: Stopping Power]
>
> ----------
>From: RSpontelli(at)aol.com
>
>>P.S. For those who may be considering such things, the addition of a
>>proportioning valve in the rear circuit did solve the rear lock-up
>>problem on the autocross Tiger. It also, however, gave a bit of a
>>"springy" feel to the pedal that neither Theresia nor I ever liked or
>>adjusted to. We ran the car like that for maybe six months, and when
>>one of the screws on one of the brake adjusters broke and damaged a
>>shoe, we went back to the stock shoes. For us, whatever benefit we
>>may have gotten from the shoes was negated by our inability to adjust
>>our driving to properly use them with the proportioning valve. I plan
>>to use them on the Pointy-fin Alpine next year, though, as we will be
>running
>>dual Tilton master cylinders with an adjustable bias bar instead of a
>>proportioning valve. And none of this, by the way, is needed for a
>>street car, for which the properly maintained "standard setup" brake
>>system is quite safe.
>
>In is previous inCARnation, my SII had rock stock brakes, wire
>wheels, 80 series 165 tyres ECT. Stopping was always good to fair,
>where needlessly spirited driving would heat the asbestos pads,
>and cause some brake fade. With normal tires, I could always lock
>up all 4 wheels, and braking balance was good.
>
>When I got silly and started building the car up for race, I put sticky
>fat low profile road racing tyres on the car, and discovered, uhhh she dont
>stop like she used to. The car could never lock the tyres anymore
>and attempting to do so would cause brake fade and smoke so bad,
>youd think it was all on fire down there.
>
>A few trips up to Willow Springs running stock brakes left my bung
>so puckered (and my wheels fouled with asbestos dust) that I knew
>that stock brakes were not up to road racing.
>
>My series II brakes used an earlier girling system, where the pads
>were different then the "nice" ones available for the tiger, and later
>alpines. No high performance brakes were available for that pad
>configuration, so I bought a set of semi-metalics for a datsun 260z,
>which was alledged also to fit the tigers and pines.
>No matter, the pads had to be modified extensively to fit the early
>calipers.
>
>The brakes now fade far less (noisier too), is once again well balanced
>although the stock rears now lock a tad earlier, which is a foreseeable
>consequence of superior front braking. A brake differential brake
>proportioning valve, or dual masters is also in my future.
>
>
>It was mentioned within this thread that Rootes knew that the brakes
>were inforior for some reason?
>Interesting.
>The Girling system as used on the alpines and tigers is one of the
>most popular systems of all time, used on more cars than would fit
>on this page. Cars that were heavier (some lighter) with even higher
>HP weight ratios than tigers.
>The early girling systems suffered early pad failure, as documented
>in many LBC books, but most agree that this shortcomming was
>rectified after most MFGrs installed plates to keep road debris
>and water off the rotors and calipers.
>
>
>SUMMARY:
>
>On my car, stock brakes were adequate for normal driving, using
>normal tyres, available when the car was made. Change any of the
>above (like tyres or driving ferocity) and the stock components will
>likely fall short.
>
>
>Jarid Gross
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