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Discussion Starter #1
Currently running the attached master with what I would call 4runner/fj60 caliper up front (4 piston toyota), and monte carlo calipers out back.

pretty sure my master is toast, can anybody ID it by it looking? I had hard time getting an application by looking at the google, also if anybody knows what it is and knows of easy upgrades that would be good too

pretty sure the master is just a toyota truck master but still not sure of application I can supply to auto parts store

going wheeling this weekend and only have tomorrow night to swap it out.

thanks

arndog
 

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Yep, 7/8" bore, standard size 76-90 Cruiser MC. That particular one w/ a single reservoir was originally off a 79-newer cruiser.

For increased pedal effort, go larger on the MC bore.
For easier pedal, but longer travel, go smaller.

Bore size is usually in the parts listing on rockauto. Look to similar vintage Truck/4R for different sizes.
 

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Discussion Starter #5
tried to hack on a corvette master for 4WDB last night using the adapter from sky, was going to be too much work

ordered master from 1990 4wd V6 toyota pickup, with a 1" bore, I have a larger dual diaphragm booster so the increase pedal feel will be nice or negligible but Im sure ill enjoy the increased brakes

anybody know if I I have to pull out the residual pressure valve from the master? or were they external by then?
 

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Just FYI.

Rock auto and other places sell Aisin masters under the Advics brand name (advics is the new name for Aisin's brake division).
 

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Discussion Starter #9
just to close this one up, I went with the master from a 1990 V6 4wd pickup, this is a 1" bore

I have a dual diaphragm booster (unsure of diameter)

The brand I got was sanyco (sp?) and is new, its an aluminum body and comes with new reservoir, at my place the aisin was about 30 more bucks.

from what I can tell there is no residual pressure valves inside this master

I have 4 wheel discs and this was as basic swap as you can you get, much better pedal feel and since the other master was shot I can't say if its way better or not but it feels like I have better brakes.

arndog
 
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