i would upgrade (and did as dave-fla54 said)
but
if you're only wanting to re-do a brake master here is one source
http://www.brotherstrucks.com/products.asp?dept=407
there are many sources to choose from.
loosing brakes is ... well not a good thing, a dying engine is another.
good luck,

Last edited by carolines truck; 12/10/2007 8:27 PM.

Jim & Caroline
The highway is for gamblers, better use your good sense."
Gooday-that's my 1¢ answer due to the lousy economy ~ cause I ain't got - no . mo . doe

Every Shaver | Now Can Snore | Six More Minutes | Than Before ... | Half A Pound for Half a Dollar | Spread On Thin | Above the Collar || BURMA-SHAVE