[Tigers] Will wood brakes

[Michael Wood]

I think Ramon is on target. Most Tigers are limited by the mechanical grip of the front tires well before needing any additional brake torque. The rear tires make little contribution, unless running a torque arm...which (unless decoupled) adds anti-lift to the rear (which can also cause typical wheel hop stuff). I've never really understood running rear disc brakes on a stock suspension street car, but I may be missing something. Going to vented front rotors, however, seems like a reasonable mod to me, for a number of reasons..

Of course, if the car is used on road course or conditions where heat dissipation is really important, then discs all around make complete sense. 

YMMV and all that 


-----Original Message-----
From: Ramon Spontelli via Tigers <tigers at autox.team.net>
To: 'Jay Laifman' <jay.laifman at gmail.com>
Cc: 'Tiger's Den' <tigers at autox.team.net>
Sent: Thu, May 11, 2017 7:22 pm
Subject: Re: [Tigers] Will wood brakes

No. An instantaneous braking force of 1G would slow you down, but it would not stop you.
 
Ramon
 
 
 
 
 
From: Jay Laifman [mailto:jay.laifman at gmail.com] 
Sent: Thursday, May 11, 2017 9:21 AM
To: Ramon Spontelli
Cc: Tiger's Den
Subject: Re: [Tigers] Will wood brakes
 
Hmmm.  1G.  The same amount of force as gravity.  So if you slammed on your Tiger's brakes at 60 mph, would the impact be the same for your brain against your skull as if your body was falling at 60 mph and hit the ground?
 
On Wed, May 10, 2017 at 8:55 PM, Ramon Spontelli via Tigers <tigers at autox.team.net> wrote:
For what it's worth . . .

Somewhere in the house I have some G-Analayst printouts showing 1.0G in
braking for the Mk II running autocross.  This was an SCCA-legal BSP car
with bone-stock brakes, OEM/stock shoes in the rear, Porterfield metallic
pads in the front, and Rick's replacement for the Girling servo.  Yeah, we
were running 225-45 x 15 Hoosier Autocrossers on 15 x 8 Revolution wheels
all 'round, but the brakes themselves were stock.

If you think you need road-race brakes on a street car, then go for the
Wilwood stuff.  Otherwise, there's nothing wrong with the stock brakes.

Ramon



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