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-   -   supercharged SC on nitrous (http://forums.pelicanparts.com/porsche-911-technical-forum/165796-supercharged-sc-nitrous.html)

Porschekid962 06-01-2004 10:37 PM

i always figured quarter miling and street racing was for those who could not negotiate turns at high speed. whatever gets you off though. everyone i know who uses nos is into street racing and challenge me now and then with the porsche, i try to explain that the car is meant to turn fast not jump off the line in a cloud of smoke and haul ass for 440 yards. trust me, i have a blast driving my neighbors viper on freeway onramps and tapping into its oodles of power. there is just something much more gratifying about getting the rear end loose coming hot out of a corner then coming up to the next one and doing it again.

as far as cheating, you arent trying if you arent cheating but a little bottle of go juice is a bit uninventive.

when was the last time you pushed that go button anyway driving around the street? im pretty sure some high boost on a turbo will give you just as much of a thrill.

hey tyson, i was thinking, instead of rebuilding the engine into a NA screamer the right way why dont we strap some JATO rockets on the car with a button hidden somewhere??

klaucke 06-01-2004 10:52 PM

Quote:

It's like putting down Nascar drivers when they're probably some of the best in the world at going around corners (read: no driver aids like ABS etc)
I'm almost positive NASCARs use ABS. Its safer and can "pump" the pedal far faster that even Michael Schumacher [sic]. Not to down their sport or their skills, but I'm pretty sure a pit crew is a great driver's aid, as is the ability to custom tune the suspension at each pit stop. F1 cars have ABS and traction control for the fastest possible off corner acceleration. Hooray for technology.

ajackson 06-01-2004 11:01 PM

Don't make me get out the pyramid of speed... Hehe

http://www.nsxfiles.com/Pyramid_of_speed.htm

Milu 06-01-2004 11:10 PM

A guy in the UK did the nitrous thing on a hotrod 911 prepared for hillclimbs. I think he was getting an extra 100 hp but later pulled it because of reliability problems. This was about ten years ago and nitrous kits have improved since then.

Porschekid962 06-01-2004 11:27 PM

ok here we go, i can talk you all til im blue in the face about technology in race cars and drivers aids, the difference is a grey line. first off, the most technologically advanced race cars in the world, software speaking are rally cars. those cars have the most advanced traction control and abs systems on the planet and are that good because it is legal in their form of racing. i am sure F1 would be unsurpassed if it wasnt for the rules which are aimed at reducing costs. most of the electronic function in F1 cars have "hidden" functions, such as the pit lane limiter doubling up as launch control for the start, traction control also works as a mild abs system.

as far as using technology to ones advantage as a form of "cheating" porsche has been known for this since they entered motorsport. i just have to say, i do not know of any regulated racing bodies which allow the use of nitrous for road (real) racing. dont get me wrong, i love john force, the guy is a firecracker and i get fired up watching him in interviews but in my mind racing is all about turning and outbraking the other guy.

drag racing never was and still isnt my cup of tea, for that it's all about horsepower and going 440 yards.

ok i think i opened a can of worms here, who cares, i dont.

dickster 06-01-2004 11:58 PM

Quote:

I spent X dollars at the speed shop, and pushed a button, and you didn't, so I win. Woo-hoo.
seems to me that in racing everyones at it (if they have the dollars), whether its on nitrous or what ever. racing is cruel like that, even in the one make classes where things are supposed to be even.

Tyson Schmidt 06-02-2004 12:34 AM

Re: Different stokes for different folks
 
Quote:

Originally posted by Frostie
I guess I’ll go for the “120mph rear wheel smoke” over the out of control “135mph 4-wheel drift” :rolleyes:



Who says the 135mph 4-wheel drift is "out of control"?

Seems somebody needs to go for a ride sometime. :)

k9handler 06-02-2004 01:21 AM

Re: Re: Different stokes for different folks
 
Quote:

Originally posted by Tyson Schmidt
Who says the 135mph 4-wheel drift is "out of control"?

Seems somebody needs to go for a ride sometime. :)

Damn it Tyson...if I were in Germany this month you coud take my car for a spin! I sure could go for a ride.:cool:

juan ruiz 06-02-2004 03:28 AM

Was the 70s Ford pick up truck build to be a Big Foot ?

Was the 70s Harley Davison build to jump the Grand Cayon ?

Was the 2004 Toyota build to be a Drag Car ?

If you answer no to all of them you are correct, they were all build to perform far away from that intended use.

Regarless of the use.............. Support you Porsche folks !:rolleyes: :rolleyes: :rolleyes: :rolleyes:

Superman 06-02-2004 04:29 AM

I think I understand both sides of this discussion. few people have more overall respect for Tyson's abilities than I do. And Jack probably, or at least that's my guess. The kid's a bona fide genius when it comes to car design and engineering (Tyson, you should go to school, become an engineer), and has a rare amount of driving talent to boot. Riding with him would be an experience, to say the least. And DE sessions are simply more fun than drag racing, with all due respect. At the end of the day, after DE, you will have driven your ass off and you'll be tired and hungry. It's perfect for undiagnosed ADD guys, and the amount of skill you'll develop over the first several years will make button-pushing seem like child's play.

On the other hand, riding in a truly ferocious big block hemi monster is an unforgettable experience. Let's put it this way....on many occasions, passengers in these cars who love speed and acceleration on the street, have screamed for the driver to stop so they can get out! It's that violent. A HUGE rush.

Overall I'd probably agree with Tyson, but whatever turns your crank......

turbo6bar 06-02-2004 06:47 AM

A true gearhead doesn't care what a guy does with his car. I'm not bashing anyone here. Who am I to talk anyway? I don't drag race, never run a DE event, and my last autocross was 4 years ago. What a sad Porsche owner I am? jurgen

vash 06-02-2004 08:59 AM

i used to love drag racing, i guess i still do. i had a camaro on the "gas" funnest damn time of my life. BUT! the bottle lasted only for two quarter mile runs. i cant drive my 911 for crap, and i will take a autoX class pronto, to learn. but please explain to me how a shortlived powerburst will help you go around the corners fast? i thought it was all about smoothness, and entrance and exit speeds. besides, i seem to remember NOS only being safe to use in full throttle situations. i would love to drag my 911, but i cant. it shifts like a bus. i wont win any races if i have to do a "onetwo" count before shifting into second.

cliff.
i would love to see a NOS 911, get on it. somebody give me a ride!

Porschekid962 06-02-2004 09:18 AM

hey tyson, who is going to give scruffy her usual loving when your across the pond?

i talked to my godfather today and depending what your credit is like manthey racing and kremer might let you "borrow" a car. the rentals in europe usually arent that exciting and are rather expensive.

widebody911 06-02-2004 09:35 AM

If horse racing is the sport of kings, then drag racing must be the sport of queens. ~Bert R. Sugar

I guess drag racing and it's big brother, NASCAR, are the manfestations of the collective American ADD.

Sure it takes skill to make a 10-second run, or drive fast and turn left. It also takes skill to balance a frog on your nose.

I did drag racing once (I was young, confused, and open to experimenting...) While it's fun when it's your turn on the line, the 45 minute wait for that moment just wasn't worth it.

Same goes for auto-x; I used to auto-x a lot, but once I started doing DE's, I never looked back.

A typical track day for me is to run in the red group, turn right around and run the blue group (under the guise of taking a student for a ride-along ;) ) and then ride with a student in green to 'relax' before my next red group session. Maybe that's why I only get 35k out of a rebuild :(

No matter how you slice it, you don't get that sort of adrenaline bang for the buck in drag racing. Drag racing is like bench racing, only sometimes you use a real car.

adomakin 06-02-2004 09:41 AM

surely its more about enjoying £ucking about with cars aint it? I personally enjoy going quick round bends over the quarter but I would still get a kick out of the quarter. Its all good, nope?


andy

Westy 06-02-2004 09:50 AM

OK, Now you're gonna get my 3 cents!.

One. Nascar is NOT drag racing's big brother.

Two. Nascar does not allow ABS or Traction Control.

Three. If you think Nascar is all about going fast and making left turns, then why aren't we all doing it at that level.

And Four. If someone wants NOX, let them have it. It's their car!

tobluforu 06-02-2004 09:53 AM

I love driving my slow-ass 72 911 on the twisties. It is a blast to drift the tail out around corners because it is so nimble in my mind. I love driving the boxster as well. On certain occasions it is one of the best cars to have on the street. And to top it off there is ALMOST nothing that compares to driving a 730 HP sc viper in a straight line or even on moderate twisties. The rush of gong 0-60 in 3 seconds is a blast. To each his own.

howiee 06-02-2004 10:19 AM

I have a buddy that bought an 82sc with the full nitrous kit on it. He took the whole thing out and has it sitting in his garage. If you are interested I'm sure he would part with it real cheap...... He didn't try to sell it because he figures no one would want to pay to put nitrous in a 911. If you would like to play with nitrous this might be the cheap way to play.

Let me know and I'll get you in touch with him.

Frostie 06-02-2004 10:45 AM

Last year when I bought my little 911 project car I had to make a second trip to get all the additional ‘stuff’ for the car. The last owner loved the car and would buy mountains of stuff for the car but never had time to put anything in or together. A mind boggeling amount of money was dumped into the car. And yes I’ll admit it….the past owners favorite show was the Fast & the Furious.

So when I dug threw all the stuff here was this enormous nitrous kit with all the bells and whisels, even equipment to monitor my head temp, (hell I even have a full pull cord Halon system). The decision came do I scrape the new Nos system or put it in? From the research I’ve done generally Porsche owners hate Nos but I have yet to find any real good reasons why it will not work well if done right. I’ve even had long conversation on the Holley Nos tech support line. The only Porsche owner I’ve found that greneded his engine was a fella running a dry system. Things were going well, but you know how it is you always want more, and more power. He kept jetting up until he hit 70hp dry before he engine melted. (Dry is in my opinion to dangerous, it is just running pure nitrous into the air box without the addition fuel too keep the combustion safe). Now I’m far from a Nitrous expert but I fell I have a fair grasp of the concept and after my research I’ve decided to go with it. Why not 90% of the equipment has been handed to me all new and in the box.

I should get over 3 minutes of total running time per bottle. Now that’s a lot when I figure the average blast will be +/- 5 seconds.

Cliff, there is no danger when you run out of Nos it will not be dangerous to your engine in any way, but you will all of a sudden run extremely rich which will drop hp, foul plugs and make a cloud of black smoke.

a pic from part of my mountain of 'stuff'

http://forums.pelicanparts.com/uploa...1086201949.jpg

sammyg2 06-02-2004 11:53 AM

I've gone 11 second 1/4s in a car (that I built on a tight budget when I wasmuch younger) and I've gotten into the 8 seconds in a boat (I built the motor, not the boat).
Both were fun, but no where near as challenging or rewarding for me as ripping around willow springs.
I've heard people call drag racing "motorized bowling", not sure if I'd go quite that far.

I've also ran on a 1/2 mile banked oval at speed. It does take skill to do that on the edge. I was not in traffic when I did it which would have added to the challenge. Still I found it less challenging that a road course and incredibly boring to watch.

I've been hot-rodding or racing almost all my life, so far the only thing I've done that was harder for me to be good at than road racing was motocross.
Guys like Jack and Tyson drive me nuts because they make it look so easy even though I know it isn't.

Now back to the original question:
I haven't used NOS on an air cooled engine but as long as it doesn't run lean a small shot shouldn't hurt. You will run into problems if you put so much in that you generate more heat than the heads can dissipate IMO. Air cooled heads generally run hotter than watercooled heads and that limits what you can do without detonation.


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