Quote:
Originally Posted by Ragnarok043
i had the same problem when i was swapped over to Z32 BMC and calipers also, not enough to pedal travel. the brake lights wont even turn on unless i step on it hard enough, very dangerous on the street. so i just did a quick fix by spacing the BMC from the brake booster with a washer. it gave the brake pedal a litte more slack for more leverage.
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you realize that the Booster is adjustable right? No need to space out the BMC when you can simply adjust the rod coming out of the Master.
To the OP: I can't tell you how many different Boosters were made for the 300zx, but whent I visited a junkyard, all 4 of the Z's there had the same size booster. It is much larger than the stock s13 booster, and is 2 stage versus 1 stage.
I am running the full 300zx setup. Z brakes all around, Z master and Z booster. I opted not to use the stock booster because I didn't want a pedal so stiff that I would not be able to modulate braking force well.
This setup feels great. The Z booster sticks out at least an inch farther than the s13 one...but no cutting of the firewall is neccesary (not sure why you thought this). You simply bend out the hardlines a bit to reach the new BMC placement. It's a very easy install.
Also realize that your pedal will actually get softer with the z brakes vs the 180sx brakes.