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Old 02-18-2009   #1 (permalink)
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Any Suggestions? How Do You Work A Tranny Brake?

I know it sounds kinda dumb for those who've had/has a tranny brake on their cars but I was just wondering how do you work it? Is it as simple as hittin the brake,hitting the button, and jus mashing the gas? Do you let go of the brake(car brakes not tranny) all together while mashing the gas and not move till you release the button? Can someone elighten me so that I don't become "that guy that doesn't know wut the hell he's doin" at the track lol. Thanks for any info ahead of time guys.
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Old 02-18-2009   #2 (permalink)
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The main purpose of a trans brake is so that a driver can mat the gas at the line with the transbrake engaged, and the car will not move. When the button is released (and a delay box is not used) the car is already wide open and it will instantly go. No waiting for the throttle to open, secondaries to come in, timing to advance, etc...it just goes. Also, they're more consistent than just footbraking at the launch...The driver's eye-foot coordination is worse than eye-hand coordination, plus with the use of a delay box you can get near perfect reaction times consistently and easily (yes, "box" racing is easier than footbraking!) as releasing the button and ultimately "unlocking" the transmission is much more consistent than having to push the throttle down, release the brake and steer all at the same time.

Don't try a unless you have slicks or drag radials. It just blows the tires off instantly.


Here is great article for your reading enjoyment......

http://hotrod.automotive.com/80595/h...ake/index.html
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Old 02-18-2009   #3 (permalink)
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Trans brakes work by engaging 1st gear and reverse gear at the same time allowing you to get on the stall speed of the converter or where ever you have your 2-step set. Roll up to the line pre-stage, stage, hit trans brake button, mash gas, lights go down, let off button and enjoy.
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Old 02-18-2009   #4 (permalink)
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Good stuff you guys are the shizzy
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93 LX 2.3 to 5.0 conversion. 60% of the time it works every time.
VTEC - All the lag of a turbo............None of the boost

If its Fast and reliable, it ain't cheap.
If its Cheap and reliable, it ain't fast.
If its Fast and cheap, it ain't reliable.
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Old 02-19-2009   #5 (permalink)
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From what I've understood, it's like dumping the clutch on a manual...
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Old 02-19-2009   #6 (permalink)
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actually it is more like getting launch off an aircraft carrier...

it is the most fun you can have with your clothes on.....
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Old 02-20-2009   #7 (permalink)
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Quote:
Originally Posted by rlg34750 View Post
actually it is more like getting launch off an aircraft carrier...

it is the most fun you can have with your clothes on.....
+1 I'm addicted to that little button!
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Old 02-25-2009   #8 (permalink)
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What type of converter must be used when using a brake? Something about balloning/ anti-balloning, don't know what that is about. You can't just stick a transbrake in a trans without changing the converter can you?
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Old 02-25-2009   #9 (permalink)
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Probably the biggest issue with a TC is where it will stall. At least it has been for me. You want a TC that you can get up on the trasbreak and stall at a point that will allow you to leave with power without blowing off the tires.

I leave with pedal on the wood. My TC stalls at 4000rpm. I can't spray wide open out of the hole because if I did I'd blow the tires off. Hence I ramp in the spray. I'm having a T/C built that should stall at 3500. That will allow the car to leave on the spray with out blowing the tires. So it's kind of a balancing act. The TC needs to be right for the car. Too loose and it won't stall correctly or you'll blow through it (almost like a slipping clutch).

Also remember, you can't stay on the transbrake long! You'll smoke that transmission. Make sure the other car is staged before you get up on the transbrake or you could get burnt down!! That's a strategy used on Turbo cars (but it's not exclusive to turbo's). Since the car takes X amount of seconds to spool they normally bump in on the transbrake. The other guy has 7 seconds to stage after prestage, he can sit out all of those seconds with you riding the transbrake or "burn you down" as they say!

When I ran the clash of the titans world finals I almost got burned down in the finals. I was having an issue with the tune. I had to roll into the throttle or it would stall. Well on a Pro Tree you don't get much time. I had to double bulb and get up on the transbrake while the other car (nitrous car) didn't have that issue. He knew I had a problem and stayed out trying to burn me down. Luckily my guy flagged me to get off the Transbrake and I did until he pulled in. I dropped it down to 3500 rpm he came in and I got back up on the transbrake, luckily it didn't stall either time.

Check the video, that's what happens when you get burned down!

http://i206.photobucket.com/albums/b...lashFinal2.jpg
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2008 Clash of the Titans World Finals Champion
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Old 02-25-2009   #10 (permalink)
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Hey PL it was just a pic and didn't take me anywhere.
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93 LX 2.3 to 5.0 conversion. 60% of the time it works every time.
VTEC - All the lag of a turbo............None of the boost

If its Fast and reliable, it ain't cheap.
If its Cheap and reliable, it ain't fast.
If its Fast and cheap, it ain't reliable.
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Old 02-25-2009   #11 (permalink)
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Let's try this one more time!

http://s206.photobucket.com/albums/b...lashFinal2.flv
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9.01 @ 152 mph 1/4 mile, 1.40 60'
2008 Clash of the Titans World Finals Champion
2009 Strictly Street Points leader/ET & MPH Record Holder

2009 GT500 Grabber Orange Vert 594 RWHP
11.5 @ 120mph it's my slow car!
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Old 02-25-2009   #12 (permalink)
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That one worked, yeah that could've of been ugly. Have you ever heard of Don Burton against Jeff Halfacre? 6 MINUTES sittin at the line! I would've gotten out and been pretty pissed.
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93 LX 2.3 to 5.0 conversion. 60% of the time it works every time.
VTEC - All the lag of a turbo............None of the boost

If its Fast and reliable, it ain't cheap.
If its Cheap and reliable, it ain't fast.
If its Fast and cheap, it ain't reliable.
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Old 02-26-2009   #13 (permalink)
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Quote:
Originally Posted by samotrx7 View Post
That one worked, yeah that could've of been ugly. Have you ever heard of Don Burton against Jeff Halfacre? 6 MINUTES sittin at the line! I would've gotten out and been pretty pissed.
Haha, that's why they call him Don "Burn you down" Burton.

Then again since Jarred wasn't really all that worried about spooling on the line most of the time. He'd just leave soft then shoot the dope to the car......ever wonder why that thing smoked like a freight train???? That's because there was no way to control fuel to nitrous levels (since he wasn't supposed to use nitrous). He just had the Big Stuff dump all the fuel he could and he'd spray!!

Got to give the guy credit, got away with it for a long time. Had the nitrous in the CO2 bottle. He'd use it to lauch the chute and control boost! LOL Just got caught when someone figured out he had an extra line tapped into the bottom of the CO2 bottle!! LOL They followed it to a hidden compartment in the a panel. He refused tear down but they could see through a small hole what appeared to be a Solenoid with a nice NOS sticker on it!!

Couldn't get him for cheating because they couldn't prove it, since he refused tear down. Honestly, since the rules for a turbo car say that you can not have "any solenoids or Nitrous equipment" on the car He was already in violation. However, refusing tear down got him a 2 year suspension!! LOL
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740RWHP/motor 904RWHP/spray
9.01 @ 152 mph 1/4 mile, 1.40 60'
2008 Clash of the Titans World Finals Champion
2009 Strictly Street Points leader/ET & MPH Record Holder

2009 GT500 Grabber Orange Vert 594 RWHP
11.5 @ 120mph it's my slow car!
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