Dual Mstr Cylinder?

[Fourdy]

I would really appreciate any help in finding a dual chamber master cylinder for my 64 GMC 2500 that would directly replace the original unit. I purchased one from Napa that I was told would work (M1880) but won't work as it has mounting bolt holes horizontally across the face not diagonal like the orig.

Thanks in advance,

Gary

[dwcsr]

take a look at this thread, Maybe he can make you an adapter or possibly tell you if his will adapt the new master to your firewall

http://67-72chevytrucks.com/vboard/s...d.php?t=339081

[1958Warrior]

May want to ask over on the 1960-1966 forum,
I'm sure that has been done over there many times

[Fourdy]

I got it!! Napa #M1880 works perfectly. By removing the old m/c and trading the 4 bolts (two for the m/c and two for the internal bracket) with each other the new unit bolts on directly. I will lengthen the rod and all will be swell. I was disappointed to find that the brake line to the rear comes off of the passenger wheel area instead of just under the m/c. Oh well, can't have everything easy. lol Thanks to all for your help.

Gary

[55dude]

be sure and post pictures before,during and after! what application is the M1880 for?