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View Full Version : Searched, but came up empty.. master cylinder help.



ZZ4Blazer
05-14-2006, 10:34 PM
1994 S-10
350/6 speed

8.5" rear with a set of LS1 rear disc brakes

Tall spindle conversion commonly for the G bodies. 12" 1LE rotors and ssbc aluminum 2 piston calipers. Stock master cylinder was working decent, when I had drum brakes. Huge improvemtn over stock. When they were added, I ditched the stock prop vavle and am running a wilwood adjustable one in anticipation of the rear discs.

Added the ls1 rear brakes, and doesnt seem to stop much better if at all. Was expecting more.(was done over the winter, so not exactly a good way to compare)

Was told to try B-body master, and its not working. Swapped over yesterday, and pedal has no travel, and doesnt stop for ****.

IT seemed like when I added the rear discs, it was taking away from the front brakes. Before, with the drums, it seemed like the fronts would pull my stiff front suspension down on hard panic like stops.

Im trying to maximize this brake set up. I've just got some new 18's and some decent rubber to try and hold the power and suspension.

I believe stock S-10 master I have is a 24MM bore(.9448")

I believe the b-body master I have on there now is 1 1/4 (1.25")

Would something like a 15/16" (.9375") work better? Or even a 1"

Please, Im open to suggestions, but dont wanna go out an spend a bunch of cash trying different master bores.

This is holding me up from driving my truck. I've been working on it all winter again, and going nuts not having it on the road or out tearing **** up with it.

Thanks for any help.