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Gonna spray my a4, any do's/dont's??

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Old 02-20-2004, 07:28 AM
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Default Gonna spray my a4, any do's/dont's??

see sig for mods, and i have jets for a 125 shot. SO with THE STOCK 10 BOLT what do guys want to tell me to do /not do ??

besides of course not spraying out of the hole...

Old 02-20-2004, 07:38 AM
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your trans will go before your 10-bolt
Old 02-20-2004, 08:05 AM
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Biggest thing is to get a window switch and not spray through the shifts. If you don't already have one, you may need a fuel pump to support a TNT 125+.
Old 02-20-2004, 08:08 AM
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Originally Posted by RyanJ
your trans will go before your 10-bolt
yup i agree with that. have seen it plenty of times. about spraying out of the hole, why not, i would and have done it on freinds cars before. just make sure that you have the shifter in low 1 and up shift because it is stronger then just leaving it in drive. oh yea and if you dont have a stall, you might want to wait until your motor gets over 3K before you hit it.
Old 02-20-2004, 08:09 AM
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never mine, i just noticed that you got a stall. spray that thing out of the hole and go get a good time.
Old 02-20-2004, 08:10 AM
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Originally Posted by GM Muscle
Biggest thing is to get a window switch and not spray through the shifts. If you don't already have one, you may need a fuel pump to support a TNT 125+.
well now this confuses me. I have a 3000 stall and a WOT switch. My m6 friend who told me that a window switch wouldnt do me any good, since the shifts happen too fast that a window switch is a moot point for an auto. And that if i stop srpayin at 6k then I'm missing out on power and tenths off my runs

Is he just flat out wrong??

and I have a 255 litre walbo pump
Old 02-20-2004, 08:41 AM
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Well I think that your M6 friend needs to jump in a nitrous A4 car and take it for a ride. When spraying through, the nitrous hits the tranny hard, a stock A4 will not last very long. If you don't believe me PM Debian Dog, he will tell you all about his. If you get a window switch you want set the shut off at around 5800-5900 rpm for a 6,000 rpm shift. The nitrous reacts so quick I don't think that you would loose any more than a tenth or so in the quarter.

Basicly, the window switch is just cheap insurance for us guys running mostly stock A4s. So far mine has seen close to 20 15lbs bottles thown at it and it operates like it did when it was new. I was only spraying a dry 125 shot last year and I'm not sure it's going to be able to handle my new TNT kit.

Last edited by GM Muscle; 02-20-2004 at 08:49 AM.
Old 02-20-2004, 09:57 AM
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Originally Posted by taqwache
just make sure that you have the shifter in low 1 and up shift because it is stronger then just leaving it in drive.

ummm.....NO!! Manually shifting a 4l60 will cause the line preasure to build more slowly.......causing toasted clutch packs(ask me how i know)........

Put the car in drive(NOT OD), and let the window switch do the work for you........your tranny will thank you for it
Old 02-20-2004, 10:54 AM
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Originally Posted by Bull_in_a_china_shop
see sig for mods, and i have jets for a 125 shot. SO with THE STOCK 10 BOLT what do guys want to tell me to do /not do ??

besides of course not spraying out of the hole...


man.spray that thing out of the hole.you will get a good time.make sure its in D.not OD.been there done that.blew 3-4 clutch pack in OD 150shot but I keep trying.good luck.
Old 02-20-2004, 11:03 AM
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One advantage to using the window switch is you can set the ON rpm to available traction. I was able to cut a 1.64 60' using 245/50/16 nitto's like that. If your running slicks its no worry. But if your running small drag radials or street racing it can really help.
Old 02-20-2004, 05:34 PM
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I had that exact same set up last year. TNT F1 100 pills, 222-226 566-569, vig 3200....and I made 503 rear wheel, at 11.5 a/f, for a high. Your fuel pump is fine, but GET A WINDOW KIT. I sprayed from 3000-6200. Spraying THROUGH your shift points will destroy your tranny, likewise with MANUALLY shifting a stock 4L60E. DO NOT DO EITHER OF THESE! You can call numerous performance shops, such as RPM (TNT Dealer) in Lewisville, TX 972-434-2151, and they will set you all up with what you need to know.
Old 02-21-2004, 11:59 AM
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What about for a M6 car what are some do's and don'ts with those? I am new to nitrous, and don't want to break if I can help it!
Old 02-21-2004, 12:14 PM
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I am not an expert, but I have to ask about the empirical data collected to say spraying thru the shifts is not good.
Last year and half, I spray my car minimum of 150shot, stock rear, 3000 stalled stock trans, hell stock bottom. In 12 months, I ran oer 600 runs, as did Drew778, both of us went thru numerous bottles of N2O spraying thru shifts and outta the hole almost exclusively. Andrew trans finally burnt up the 3-4 clutch band, and mine blew the clutch pack altogether again after oer 600runs, and probably 200+ of those being nitrous assisted. Nitrous junkies, yes. Manually shift the A4-you gotta be shitting me, NEVER shift it manual unless you have a manual valvebody.
Thats just my observation on my facts of life with an Auto and nitrous.

My recommendation A$ or M6. Do what you can afford. Get the window switch, FPSS, Heater, Gauge, Purge kit, Blow Down tube and fitting. M6, do not spray out the hole on sticky tires and or track with a strong clutch.
Old 02-21-2004, 12:32 PM
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Originally Posted by GM Muscle
Biggest thing is to get a window switch and not spray through the shifts...


I ran 50 bottles at least and sprayed through every single shift. A WOT switch isn't necessary, but it's a good safety device. Don't spray below 3,000rpm. That is all. Have fun!
Old 02-21-2004, 01:06 PM
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Originally Posted by unit213


I ran 50 bottles at least and sprayed through every single shift. A WOT switch isn't necessary, but it's a good safety device. Don't spray below 3,000rpm. That is all. Have fun!
I agree with Dan. I have sprayed my car for over 40,000 miles. It now has 76,000 miles on it. The trans is stock except for a 3600 stall. I tuned with Predator and have never had any troubles. 1.5 60fts and low 11's with no trouble spraying through the shifts and out of the hole. 150rwhp wet kit.
Just keep the fluid fresh and the filter clean and have fun.
Dave
Old 02-21-2004, 01:31 PM
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A friend of mine used to spray a 100 Dry shot on totally stock motor(Lid & Cutout), stock converter, stock PCM. He would leave on the motor and hit the spray about 30ft out. Went 11.8 at 119mph on Dr's. Numerous passes, no problems.
Old 02-21-2004, 06:28 PM
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Originally Posted by redsscamaroboy
I agree with Dan. I have sprayed my car for over 40,000 miles. It now has 76,000 miles on it. The trans is stock except for a 3600 stall. I tuned with Predator and have never had any troubles. 1.5 60fts and low 11's with no trouble spraying through the shifts and out of the hole. 150rwhp wet kit.
Just keep the fluid fresh and the filter clean and have fun.
Dave
Yep, good advice about tranny fluid Dave. Keep a close eye on it. You don't want your tranny slipping while spraying.

FWIW, I was spraying a 150 shot as well. I can't emphasize enough about not spraying below 3,000rpms. The car will haul major *** on the juice at 2,500rpm, but the ramifications are too great IMO.
Old 02-21-2004, 10:36 PM
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All good advice. I spray through too... I destroyed the first tranny by being STUPID and POed. Bumped the shift duration and shift firmness too 100% and sprayed it. Ran the numbers I was looking for but never saw Drive again Still spray though.
Old 02-21-2004, 10:42 PM
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Originally Posted by taqwache
...wait until your motor gets over 3K before you hit it.
I hear that all the time, but no one ever says why other than: "bad things will happen man, bad things." Is it that there would be too much torque going through the drivetrain? What gives?
Old 02-21-2004, 11:03 PM
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Originally Posted by NightHawk
I hear that all the time, but no one ever says why other than: "bad things will happen man, bad things." Is it that there would be too much torque going through the drivetrain? What gives?
Just the amout of N20 is too much Your hit does not change from 3000-6000 RPM. Same N20 going in to an engine spinning half as fast meaning you're getting twice the amout at 3k then you are at 6k. You "can" spray < 3000. I do starting at 2800 but I have a progessive system so I am only shooting like a 30~50 shot. If a 150 shot hit a stock motor at 2500 RPMs "almost" always, bad things happen.


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