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Old 08-14-2002, 11:12 AM   #1
Idjiit
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95 Miata M

Default E-Brake Modifications for RallyCross?

Don't know if this is necessarily the right forum for this, but to me it seems like more of a Motorsports question than a Suspension, Brakes, etc. question.

The problem is, I have a Sparco REV in my WRX. I sit fairly close to the wheel (I love the position I'm at currently, and do not want to change it) which poses a problem reaching for the e-brake. Since the seat is so close, my right arm hits the side/back bolsters when I'm reaching for it, which needless to say is uncomfortable. I can still reach it, but it's not a "natural" position, so I'd like to fix it if I can.

So, how to you RallyCross/Rally folks deal with this problem? I imagine this must be a problem for you, SubieGal, since you sit even closer. Is there some sort of e-brake extension you can buy, or have you had one fabricated for you?

On a related note, if you're just using the stock e-brake, what do you do about the brake lock/release button? My car is a daily driver, so I need the e-brake for the most part. Having a "temporary" solution would be ideal.
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Old 08-14-2002, 11:47 AM   #2
Coati
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I've seen individuals (who shall remain nameless) rent 2wd cars for rallycrosses and duct-tape the e-brake button down on the lever.

They also taped the shifter securely into a nice low gear after discovering that it was too easy to pop out when making a fast grab for the e-brake.

Helpful tip: when renting a newer car for the above, check to see if it has DSC and that it is deactivated before your run or you will have no power in turns.
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Old 08-14-2002, 04:45 PM   #3
Idjiit
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I figured I could do duct tape or something, but I was looking for something, err... A bit more professional? (and less sticky, yuck!)

Found the handbrak assembly that Dante sells, I'll be asking him about it (see if it's longer than the stock one, etc.).

https://secure31.softcomca.com/primm....htm?cat75.htm
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Old 08-14-2002, 06:21 PM   #4
LyveWRX
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Default E-Brake turns and WRX?

The things i've read say specifically that E-Brake turns are bad for the center diff in the stock WRX, since its LSD. My understanding is that you must have the center diff totally open to avoid damage.

Nick
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Old 08-14-2002, 06:23 PM   #5
Thug
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The e brake doesnt generally help you unless you have a hydrolic one and an electronic center diff. Because in an awd car with a mechanical diff you are slowing the whole car down when you pull up the e brake
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Old 08-14-2002, 07:55 PM   #6
Joe Longworth
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The simple answers is this: Don't use your ebrake.

Learn the principals of weight transfer, and slow in fast out.

Your key to speed is smoothness, not dramatic rear slides.

But with an answer that's more useful, learn to left foot brake. If you're plowing in rally corners, slow down, turn less, and transfer more weight forward. The fastest driver I've ridden with didn't touch the ebrake and lived by "slow in - fast out". His times in a pre 94 Legacy wagon (stock!!!) were faster than most WRX's and slower than Josh Jacquot (in the SCC Blue WRX) by only a second or two.
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Old 08-14-2002, 08:47 PM   #7
Idjiit
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Guys -
Thanks for the good responses.

Using the handbrake certainly isn't the only technique I'm using to induce slide, etc. I would like to say that it's more in situations where I need to "correct my line". That's actually one of the reasons having it easily accesible is paramount.

Usually the case is where I've attempted to "flick" into a corner, but come in too hot and start to understeer. Usually applying a bit of the handbrake corrects this.

I've only recently started working on my left-foot braking, which I've found to be very difficult in the WRX - it's just going to take a bit of getting used to, I suppose.

Can someone explain the difference between a hydraulic handbrake, and the one that comes standard in the WRX?
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Old 08-14-2002, 09:20 PM   #8
Snowrider
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the one in your WRX is a cable hand brake, you pull it it pulls a cable and pulls a mechanical mechanism on your rear brakes to lock them up. Thus the Term Emergency Brake, if you break a brake line you dont have fluid to stop. A hydrolic handbrake works just like your existing brake system. You run hydrolic lines to the rear through some sort of proportioning valve i would guess and teh hand brake is hooked to a master cylinder. instead of a cable
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Old 08-14-2002, 10:54 PM   #9
Thug
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Default

Also a hydraulic hand brake is more of an on/off switch.
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Old 08-14-2002, 11:29 PM   #10
rupertberr
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Post Hand Brake

Hand brake doesn't work for me in the WRX for Rally Cross. It will mess up your drive train. I don't use it and I am leading my region in PGT. Got to ride with Mark Lovell and talked to him about it. He has all the bells and whistles that cuts off the power to the rear wheels and he says he hardly ever uses it either. Works much better if you have a front wheel drive car.
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Old 08-15-2002, 10:58 AM   #11
Idjiit
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Default

Again, thanks for the input guys -

I guess I'll just work on my pedulum turns and left foot braking, and leave the handbrake alone!
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Old 08-15-2002, 12:00 PM   #12
Joe Longworth
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99 Impreza 2.5RS
Silverthorne

Default

The simple answers is this: Don't use your ebrake.

Learn the principals of weight transfer, and slow in fast out.

Your key to speed is smoothness, not dramatic rear slides.

But with an answer that's more useful, learn to left foot brake. If you're plowing in rally corners, slow down, turn less, and transfer more weight forward. The fastest driver I've ridden with didn't touch the ebrake and lived by "slow in - fast out". His times in a pre 94 Legacy wagon (stock!!!) were faster than most WRX's and slower than Josh Jacquot (in the SCC Blue WRX) by only a second or two.
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