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master cyl piston size

PostPosted: Tue Apr 27, 2010 8:33 pm
by camoit
Does anybody know what size the master cylinder pistons are on a first Gen D-50???????

Re: master cyl piston size

PostPosted: Tue Apr 27, 2010 8:49 pm
by Spicoli
2g is 15/16 I'm told. If I had time id look it up in my fsm for the 1g

Re: master cyl piston size

PostPosted: Wed Apr 28, 2010 2:08 am
by MightyG54BTMax
my 2g says 7/8" on the side. I would imagine the 1g is in that area.

Re: master cyl piston size

PostPosted: Wed Apr 28, 2010 7:18 pm
by camoit
7/8 15/16 there is 2 diferant sizes in side. Front cup will be bigger than rear. Un less there is no cup. All the new cars just use an "O" ring.

Re: master cyl piston size

PostPosted: Thu Apr 29, 2010 4:20 pm
by TurboMax
My old and new master cylinder had 15/16" on it, when I replaced about a month ago. I've got a 1990 2g. If I remember correctly, autozone listed 90-91 for my master cylinder and a different part number for 92-96.