Dry shot at 2000 rpms?
Thread Starter
Teching In
Joined: Feb 2003
Posts: 12
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From: Jacksonville FL
Dry shot at 2000 rpms? I'd never do it with a wet kit, but what about a dry shot running through the MAF? Is a 100 - 120 shot at 2000 rpms too much?
I've got it coming on now at 3000 rpms, I can't break a sub 2 second 60' time even with drag radials. I'm thinking a little earlier would drop my 60' time a tenth or two, translating to 3 to 4 tenths at the end.
Anyone?
I've got it coming on now at 3000 rpms, I can't break a sub 2 second 60' time even with drag radials. I'm thinking a little earlier would drop my 60' time a tenth or two, translating to 3 to 4 tenths at the end.
Anyone?
Well Im not saying this is safe or that you should do this but when I was dry I would sit at the line and rev to about 2500 rpms and then dump the clutch which would cause it to bog down to about 1000-1500 rpms. Then I would lay into it as soon as it bogged and it would pull out of the bog and never spin or anything. If you were good enough at it it would just feel like the car just took off and would pull low 1.8s. I never had any issues doing this either but now Im wet and would not try it now.
dry or wet, hitting it at 2000 rpms with the same amount of hp level will do the same thing. not a matter of wet or dry. i hit mine at 2000 rpms on both of my cars and they are wet. and i'm almost double what you are wanting to use. ive done as low as 1500. but, the tires went up in smoke.
most everyone here will scream at you not to hit it under 3000 rpms. i just don't listen.
almost a year now and both motors are still in one piece. as well as the rest of the car.
do what you feel is comfortable to you. but, expect to pay the consequences of what happens when you do.
most everyone here will scream at you not to hit it under 3000 rpms. i just don't listen.
almost a year now and both motors are still in one piece. as well as the rest of the car. do what you feel is comfortable to you. but, expect to pay the consequences of what happens when you do.
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I stall right about 2000 rpm and spray right out the hole!! I'm running a dry 100 shot also. I was able to do it for a long time before anything messed up but that was just cause of normal wear & tear. But like they said if you are comfortable with it do it........just live with the consequences if there are any.
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its possible...but tough on the motor and puts you in a very precarious position with zero room for error. I can think of alot better ways to get down the track faster than spray at 2000 rpm. Higher stall...better tires, suspension etc.
Thread Starter
Teching In
Joined: Feb 2003
Posts: 12
Likes: 0
From: Jacksonville FL
You have to remember that the GTO has an IRS. Even with drag radials, it isn't cutting sub 2' 60 ft times unless you have a power adder - and early. Spraying at 3000 rpms isn't cutting it.
Originally Posted by mrr23
dry or wet, hitting it at 2000 rpms with the same amount of hp level will do the same thing. not a matter of wet or dry. i hit mine at 2000 rpms on both of my cars and they are wet. and i'm almost double what you are wanting to use. ive done as low as 1500. but, the tires went up in smoke.
most everyone here will scream at you not to hit it under 3000 rpms. i just don't listen. almost a year now and both motors are still in one piece. as well as the rest of the car.
do what you feel is comfortable to you. but, expect to pay the consequences of what happens when you do.
most everyone here will scream at you not to hit it under 3000 rpms. i just don't listen.
almost a year now and both motors are still in one piece. as well as the rest of the car. do what you feel is comfortable to you. but, expect to pay the consequences of what happens when you do.
Z06 backfire/explosion
Not getting on you, just want to clarify the possibilities spraying low.
Robert
Z06 backfire/explosion 2
Last edited by Robert56; Aug 19, 2005 at 02:17 PM.
Originally Posted by Robert56
Just because you haven't blown your motor doen't mean it's sound advice to spray a wet hit under 3000 rpm, imo. What if you bog/stumble at that low rpm (like 383LQ4SS said everything has to be perfect, no margin for error).
Originally Posted by Robert56
You keep stating a year on two motors, but I ask how many passes? I have well over a 100 passes this year and many more test runs with up to 200hp shot, it still runs like a top. Why, because I use all the safety stuff, and don't try to be a hero.
if i have to, i can count the exact number of runs i have done on nitrous. i have done a total of 92 runs just on the 00 formula. and i'm betting at least half are on the bottle. not to mention how much i've used on the street. i have every run for the 00 formula scanned and up for viewing on my website. click the link in the sig for your viewing pleasure.
i don't use every single little safety item out there. i do use a WOT switch. that is the single best 'safety' item to have. that way, there is absolutely no way you can hit the nitrous unless you are at WOT. no hand button. be there, done that with my 79 z28 i had about 10 years ago. i am on my 6th car with nitrous in those 10 years.
79 z28 carbed
86TA car i had just before the 99 and 00 formulas
94 z28 NOS 05176 125 dry shot
99 formula in sig
99 TA (had for three weeks. long story on that one) only went 150 motor rating on that one.
00 formula in sig (replaced the 99 TA)
we can have another 6 page thread about hitting under 3000 if you want. but, i'll stick with what i said.
do what you feel is comfortable to you. but, expect to pay the consequences of what happens when you do.
oh, and just to make it even better, both cars are on stock fuel systems as well. now, i do believe in adequate fuel supply. that will burn up a motor just as easily. one day, when the pumps finally go out, i'll replace them with better ones. or when i see they cannot keep up anymore.
Originally Posted by Robert56
Here's what happens when no window sw and spraying wet at to low of rpm and bogs/stalls:
Z06 backfire/explosion
Not getting on you, just want to clarify the possibilities spraying low.
Robert
Z06 backfire/explosion 2
Z06 backfire/explosion
Not getting on you, just want to clarify the possibilities spraying low.
Robert
Z06 backfire/explosion 2
understood. no problem with telling people what CAN happen. not that it WILL happen if you do, but it CAN happen.
it wasn't that he hit it at too low of an rpm. but, it bogged/stalled. and that can happen at any rpm.
look at the numbers in the sig. thats of idel on 200 shot spray. runs pretty well to me. i have always sprayed of the line and had no issues. i know alot of others that have done it as well.
I would love to see the datalogs of a nitrous run of you guys spraying at 2000 rpm. I am willing to bet you are above that when the juice hits. Mrr23...dint you say you were out pretty far before you hit the juice. That you launch at idle and then spray at 2000 rpm?
I highy highly doubt you are at 2000 rpms 40 feet out on the launch. I am willing to bet you really have no idea what rpm you are at when it kicks in. I want to see you hammer it straight off idel. Youll be at about 1800-2000 rpm by the time the juice hits. 
thanks for the compliment. now, that we have the same definition of launching on the nitrous, no i'm not launching on the n2o right at the launch. it rolls out about 40ft.
Last edited by 383LQ4SS; Aug 19, 2005 at 04:38 PM.
Joecool...IMO you could lower you shot some rpm. I would definately use a window switch so you can do a launch at exactly 3000..then lower it to 2900 and so on in maybe 100 rpm increments. How low you go is how lucky you feel
100 shot is not too huge though.
Are you spinning or just boggong? I take it this is an A4?
100 shot is not too huge though.
Are you spinning or just boggong? I take it this is an A4?