brake boosting a TT 350z. - Page 6 - MY350Z.COM Forums



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Old 04-12-2007, 04:37 PM   #101
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Yeah, who needs brake lights one the highway anyway?
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Old 04-12-2007, 09:20 PM   #102
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Quote:
Originally Posted by KPierson
Yeah, who needs brake lights one the highway anyway?
Umm... I'd like to keep that feature if possible.
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Old 04-13-2007, 07:50 AM   #103
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Quote:
Originally Posted by [email protected]
Phunk, if you still want to keep your brake lights functional, you might try doing this instead.

If you unplug the VDC harness behind your ABS junction box near your brake resevior, you can brake boost. If you plan to wire up a switch, I would do it here, and just kill power to that module with the switch. This way, you can break boost, and still keep your break lights functional for the street. Your speedo is killed, but who cares.

And damn...break boosting from a roll is really really fun!
is that the grey goin into black harness?

i tried... abs vdc and slip came on but i was not able to brake boost.... is this the right one?
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Old 04-13-2007, 07:11 PM   #104
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Well, I brake boosted my TT tonight.

Its too early to tell if there will be any long term problems, but for a short term solution it definately works.

No ABS/VDC/Slip lights. Full functioning ABS/VDC/Slip and full functioning brake lights.

What I need to do is completely disconnect the wire from the ECU and see how long it takes to throw a code. I can then make sure that with the addition of this module that the code isn't thrown. I drove around for about 30 minutes tonight and no lights yet.
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Old 04-13-2007, 07:18 PM   #105
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so,.............How did it feel to brake boost the G? is it more of a lanching sensation as compared to when you just mash the gas?
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Old 04-13-2007, 09:33 PM   #106
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OK, took my car to the 'track' tonight and got to test the brake boost against an '02 Z06 'Vette.

The car is absolutely amazing when brake boosting. When I dropped the pedal my car was like a rocket. I only managed to pull a 1/2 car or so on him, but it was still a good run none the less.

I drove it another 2 hours or so and still no lights. I'll hook my code scanner up tomorrow and see if any abnormalties exist.
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Old 04-13-2007, 09:55 PM   #107
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Here is a graph I made.

You can see the RPMs fall (dark blue) as the throttle position increases (light blue). This indicates that the brakes have been applied.

Boost (pink) stays constant the entire time.
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Old 04-13-2007, 11:00 PM   #108
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That's awesome man, glad you're making progress. That will be tight for those F/I people, if you can get it all worked out.
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Old 04-14-2007, 04:09 AM   #109
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Do you think this will allow an 5AT NA car to brake torque launch harder since the ECU wont know you are on the brakes and throttle at the same time and close the throttle plate???
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Old 04-14-2007, 11:08 AM   #110
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I'm guessing that it would
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Old 04-16-2007, 09:15 AM   #111
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I checked for codes yesterday and found none. I've brake boosted it several times and it works great. I think I need a new set of pads.....

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Old 04-16-2007, 09:25 AM   #112
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so, when does the module go on sale?
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Old 04-16-2007, 01:48 PM   #113
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I'm not sure, I guess it depends on what kind of interest there is.

I had to make some significant hardware changes to make a 12vdc output, so I'll need to make some new circuit boards. I can't imagine more then 4-5 people wanting this though, there simply arn't many people who want to brake boost.
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Old 04-16-2007, 02:53 PM   #114
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Quote:
Originally Posted by KPierson
I'm not sure, I guess it depends on what kind of interest there is.

I had to make some significant hardware changes to make a 12vdc output, so I'll need to make some new circuit boards. I can't imagine more then 4-5 people wanting this though, there simply arn't many people who want to brake boost.

Ive been following this thead since its been started. I will deffiently be one of the first customers
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Old 04-16-2007, 03:01 PM   #115
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If it will let the 5AT folks launch like they should, you could sell more their too.
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Old 04-16-2007, 04:17 PM   #116
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Kevin,

It won't just be for the FI crowd. it'll allow all G/Z owners to be able to do a nice burnout at the track.
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Old 04-16-2007, 05:23 PM   #117
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Well, that portion is untested. I'll get with SFLG35 and see if he is willing to test it out. He has a NA 5AT.
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Old 04-23-2007, 04:31 PM   #118
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should hopefully have it in the next week and a half provided that kevin gets it mailed out by the end of the week.
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Old 04-27-2007, 07:17 AM   #119
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I've got the test modules ready to send out to Dan. Hopefully he will get them my mid next week and be able to try them out in a timely manner.
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Old 04-27-2007, 08:21 AM   #120
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How do ppl heal-toe but cant brake boost. Just wondering.
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