7/8" rear cylinders

["Janssen, Lee K" <lee.k.janssen@lmco.com>]

Roger G. Bolick wrote:

> 10. Larger rear wheel cylinders, note the 76 cars went from .70 -> .75
>     pistons for better stopping, also used a different emergency brake
>     leverage to make this better.   Racers fit 7/8" rear Datson pistons
>     for even more rear brakes

Just for the record does anyone know the original application for the 7/8"
rear brake cylinders. I'm running a pair  of  Girling cylinders that I
purchased from J.K. Jackson but never did ask what they were off of (stupid
me).

Thanks Much
Lee Janssen
Soggy and Wet Denver CO