brake booster question
i having issues with a swap, i could really use a slimmer brake booster for clearance issues. im willing to do a fairly large amount of custom work to make it work. im already considering running new brake lines or whatever it takes. any clue what booster i could use? what would be the downside of all this? the fc booster looks like it might work... any help would be great.
thanks ahead of time. |
What car, what swap, how deep is your current booster?
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93 fd, 2jz, and im not sure what u mean about how deep is my current brake booster?
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Well, when you said you needed a "slimmer" booster I assumed the depth (front to back) was the problem.
So, you need a smaller diameter or less thickness? |
slimmer front to back is what i need. i have plenty of clearance diameter wise.
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Fine then, now on to the million dollar question...
How fat is the current booster? I don't have a 3rd gen handy or I'd measure it myself but IIRC, doesn't the stock setup use the brake reservoir to feed the clutch master also? If so, will losing that be a problem? |
later edition JDM booster was slimmer and smaller diameter. ('99 on I believe)
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A smaller booster will reduce pedal "feel". I have upgraded the booster on my EG hatch when I did my GSR brake conversion... The difference was amazing. A larger booster doesn't increase braking power, only the pedal pressure required for the equal affect of braking. It's like having a larger pry bar. If you downsize,.... pedal feel will be noticeably less, and require more pressure from the driver.
No one asked what "clearance issues" you are running into for... Why do you want a smaller booster? I would seriously reconsider this.... |
IIRC, the stock FD boosters are pretty small diameter-wise, but thick compared to most.
Many double diaphragm boosters are larger diameter but not as deep and would work quite well. I just installed a booster/MC combo from an Infinity on a friend's '93 and it works very nicely. The MC has a built in proportioning valve and has a 1" bore (larger than the stock 15/16" unit) and pedal feel/response is exceptional. Used a small remote reservoir from a Honda to feed the clutch master. I have a second, identical set up if the OP is interested. |
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