'80 Brake M/C vs. '82 N/A Brake M/C

[Reptoid Overlords]

The brake master cylinder on my otherwise perfectly running/stopping '80 ZX has failed.  Currently installed is what i believe to be the OEM Nabco master cylinder from the factory, with the 2 separate reservoirs, rearmost working the front , and the most forward reservoir working the rear.  I have an "82  N/A parts car(of which some parts are not interchangeable), with a master cylinder that has 1 reservoir for both front and rear.  This one is most likely from the factory as well.  

Will the single reservoir master cylinder from the '82 car work in the '80 car?

About a week ago RockAuto had a brake master cylinder from Raybestos, rebuilt, i imagine, with Nabco stamped on the side.  It's no longer available.  Of course. 

[siteunseen]

zcardepot.com shows the dual reservoir to be 7/8" and the single at 15/16" where it goes into the booster.  Maybe check and see if you can find more detail at rockauto.com or anywhere else.  zcardepot doesn't show the hole diameter of the boosters.  O'reilly's has the right MC for $35, non stocking 2 day deal.

I just woke up and my eyes are still blurry, sorry.  Good luck on your hunting. ?

[Reptoid Overlords]

The Zcardepot part says it's for the entire S30 production range, but stops at the '78. Perhaps I'll find out if the same master cylinder was used in the 79/80 ZX and get that one. Otherwise I can take the O'Reilly's challenge.

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