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View Full Version : big brake kit kinda wierd

HKsilvia
03-26-2006, 03:06 AM
i have my rotora 4piston big brake kit installed in my front along with 5 lug conversion, and it perform pretty well but there is only one problem...
whenever i turn hard, such as spining U turn or fast into tight corner, the brake lose pressure (like half) on the first brake after that, however if i pump it goes back to normal like nothing had happened. what problem could it be coz it feel kinda insecure if wanna stop right away after a corner, any idea or suggestion? my friend said its becoz it has a ss brake line, but y?
Ritz S14
03-26-2006, 03:14 AM
Check your brake lines. Make sure they're not kinked when you turn.
HKsilvia
03-26-2006, 03:42 AM
kinked? what does it mean?
NIK90s13
03-26-2006, 07:59 AM
Kinked means pinched. It's not a sexual term if that is what you are thinking. LOL. And other than the turning does it break the same, if it does it sounds like air still in the lines, rebleed them if so.
krustindumm
03-26-2006, 09:37 AM
also check the caliper mounting bolts and your lug nuts, make sure they are all tight.
SpeedMonkeyInc
03-26-2006, 10:38 AM
my friend said its becoz it has a ss brake line, but y?

Don't listen to your friend.

Re-bleed the lines just to be sure
Ritz S14
03-26-2006, 10:39 AM
Make sure the bleeder valve is facing up.
SoSideways
03-26-2006, 11:21 AM
You are probably experiencing this:

http://www.stoptech.com/tech_info/wp_knockback.shtml
gotta240
03-26-2006, 11:59 AM
wow. i learned something new.


MY SUGGESTION------ STOP BREAKING IN TURNS!!!!! Its scary and dangerous anyways........lol.
gotta240
03-26-2006, 11:59 AM
oh yeah...how much were the brakes, and can you post pics!?!?

Why did you go with those, and not 300zx??? just curious....
[email protected]
03-26-2006, 12:20 PM
I was thinking knock back but generally you dont get that WHILE hitting the brakes...

Do those require use of an upgraded master cylinder / brake booster?
krustindumm
03-26-2006, 02:15 PM
You are probably experiencing this:

http://www.stoptech.com/tech_info/wp_knockback.shtml

:eek3: that's kinda what i was getting at, but i forgot about the wheel bearing being a possable cause. I also didn't realize there was an actual name for the occurance.
[email protected]
03-26-2006, 07:11 PM
with fixed brake calipers, usually a quick tap of the brake pedal before really hitting the brakes will ensure better braking...

when I tracked my car with a BBK after corners on the straights I would tap the brake pedal to get everything back in place before the next corner...
HKsilvia
03-29-2006, 02:01 AM
oh yeah...how much were the brakes, and can you post pics!?!?

Why did you go with those, and not 300zx??? just curious....

http://i30.photobucket.com/albums/c322/HKsilvia/c1c255c4.jpg

http://i30.photobucket.com/albums/c322/HKsilvia/f52f6feb.jpg

cost about 2k
thx for the info, i really sounds like for a knockback then, well it looks like i gotta take it apart soon, but crap, i dun have a garage:duh:
andrewmp6
03-29-2006, 04:11 AM
did you torque every bolt like you should
NIK90s13
03-29-2006, 06:44 AM
They look good! I hope you get the working as good as the look!!!
97 S14
03-29-2006, 05:43 PM
Are you still running the stock brake master cylinder? If so then I'd upgrade it.
gotta240
03-29-2006, 10:25 PM
N I C E.....
OptionZero
03-30-2006, 12:40 PM
only in front?
slownslurious
03-30-2006, 12:58 PM
check your bearings, check your fluid level.