[Tigers] Clutch/Brake Pedal ratio

[Gary]

Found on the CAT forum from a few years ago:

*Brake Pedal Ratios*

The OEM Tiger/Alpine brake/clutch pedals have a mechanical ratio of 
approximately 4.4:1. I've been making kits for quite a while that 
modifies this ratio to 6:1, which is pretty much the standard 
aftermarket ratio. This gives you an advantage of about 1.36 over the 
OEM Pedal. This is almost as much as the vacuum booster gives you.

I also make this kit for several master cylinders from the OEM Girling 
to "new" Dual Masters from 13/16 to 1" diameter. Using a 13/16 diameter 
also increases your hydraulic ratio. The kits are complete, but you must 
send me a Tiger brake pedal (Alpines have a different bend) and the 
Pivot assembly. I can bend an Alpine pedal to near Tiger specs, but not 
"perfect". The process is reversible with the exception of the Pivot 
which I modify. I typically make several a year for Dale's customers.

I have also run my 6:1 kit with a booster and autocross pads, but be 
sure your seatbelt is fastened.

modtiger at comcast.net <mailto:modtiger at comcast.net> for further info.

ALSO:
from a post a few weeks ago, Tom now recommends the Tilton slave 
throwout bearing..
Gary





On 6/22/2021 8:23 PM, daniel doornbos via Tigers wrote:
> I've got my car back from bodywork and time to sort the remaining 
> mechanicals. Steering linkage in progress for the Mike H FE 
> conversion.  I have disc brakes on all corners (new floating Ford 8.8 
> in the rear) and planning to go with a 15/16 dual Controller (master) 
> cylinder. For the clutch planning to put in a servant hydraulic 
> throughout bearing, any recommendations? lots of initial reading 
> points to the Tilton.  This is going on a T5.  And to go with that a 
> new 3/4 in Controller cylinder.
>
> Based on reading these systems recommend a 6:1 pedal ratio, the stock 
> tiger is 4:1.  Has anyone out there drilled their pedals for 6:1 ratio 
> vs the stock 4:1 ratio? Just curious as I don't recall seeing it come 
> up. Drilling the pedals looks straightforward.  Might have to do some 
> fabrication to get the new controller hydraulics mounted higher for 
> actuation alignment.  Has anyone else done this?  Any learnings to share?
>
> thanks
> dan
>
>
>
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