Nitrous, the power adder of fags - Page 3 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-20-2009, 11:59 AM   #41
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^thts what im talkkin about

my car on a 100 shot was damn fast, i just got sick of it running out, so now im turbo,but i can tell that i was faser n the spray than i am on low boost
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Old 10-20-2009, 12:23 PM   #42
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Having an empty bottle does suck. It is like getting caught with your pants down.
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Old 10-20-2009, 12:24 PM   #43
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Quote:
Originally Posted by miata2fast View Post
Here are some of my best timeslips, when I had nitrous. I would like to see a turbo car with similar horsepower and trap speed have a 60' time as good as that.

The car had JR 4-2-1 header, JR N/A exhaust, centerforce clutch, aluminum flywheel, Mickey Thomson 20"x8"x14" on stock wheels, and a NOS dry kit, jetted with somewhere between 75-100hp. I can not recall exactly. The internals were bone stock.

Total costs for upgrades were less than $2800.00

I am not knocking turbos, definetly awesome. I want one. However, nitrous is not all bad.
There's your answer right there. Sure you got more power out of your car from using the nitrous, but a turbo car with equal power and those tires would easily do the same.

A good 60ft is more about grip than anything. The reason that most people with a Miata have a slow 60ft is because they run their regular street tires at the track.
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Old 10-20-2009, 12:25 PM   #44
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No worry about lag.

» Boost on Demand

I saw this company demo'ing this and it's really weird. They are able to rev a car to any rpm and hit a button and the damn thing made 14psi. But it wasn't like a anti-lag or launch control...no popping or backfiring. If you closed your eyes, it would sound like someone had the car on a dyno and was brake-boosting it. I was talking to sone of the guys there and he couldn't explain to me anything as to how it works.."it was too much of a secret".
I mean, the guy couldn't even tell me how the box gets wired in. Kinda cool product for drag racing though. Nice smooth boost with no wear on the turbo from backfiring. I'm sure someone has video on YT of it working.
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Old 10-20-2009, 12:28 PM   #45
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Quote:
Originally Posted by JayL View Post
There's your answer right there. Sure you got more power out of your car from using the nitrous, but a turbo car with equal power and those tires would easily do the same.

A good 60ft is more about grip than anything. The reason that most people with a Miata have a slow 60ft is because they run their regular street tires at the track.
Quit speculating and prove it. Let's see some time slips. I did.
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Old 10-20-2009, 12:32 PM   #46
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Quote:
Originally Posted by Doppelgänger View Post
No worry about lag.

» Boost on Demand

I saw this company demo'ing this and it's really weird. They are able to rev a car to any rpm and hit a button and the damn thing made 14psi. But it wasn't like a anti-lag or launch control...no popping or backfiring. If you closed your eyes, it would sound like someone had the car on a dyno and was brake-boosting it. I was talking to sone of the guys there and he couldn't explain to me anything as to how it works.."it was too much of a secret".
I mean, the guy couldn't even tell me how the box gets wired in. Kinda cool product for drag racing though. Nice smooth boost with no wear on the turbo from backfiring. I'm sure someone has video on YT of it working.
Was that a manual transmission car. It could have been a tranny brake which only works for cars with a torque converter
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Old 10-20-2009, 12:34 PM   #47
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2800 hell my turbo system and nitrous still hasnt hit that cost yet. And i run a wet shot.
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Old 10-20-2009, 12:34 PM   #48
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Quote:
Originally Posted by miata2fast View Post
Quit speculating and prove it. Let's see some time slips. I did.
Sorry, I don't have any time slips as slow as yours.
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Old 10-20-2009, 12:37 PM   #49
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Originally Posted by magnamx-5 View Post
2800 hell my turbo system and nitrous still hasnt hit that cost yet. And i run a wet shot.
That was for the entire build. Exhaust, clutch, tires, nitrous, EVERTHING.
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Old 10-20-2009, 12:43 PM   #50
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Quote:
Originally Posted by JayL View Post
Sorry, I don't have any time slips as slow as yours.
Jay I do not want to start that, please. I was not here to prove that nitrous is better than turbos. I just pointed out some advantages.

If you want to compare the fastest time slips from cars that you and I have piloted, I can gladly show you a 9.20 ET at 146 mph. Not a miata, but I have been to the track a time or two.
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Old 10-20-2009, 12:49 PM   #51
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Is nitrious better than turbo...no.

Is there an advantage in some situations for running it...maybe.

I'd like a 200whp miata for the track with an extra 50-75 on tap, so in that way its easier to flip a switch than load a new tune.
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Old 10-20-2009, 12:52 PM   #52
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Miata2fast,
You've gotta be running higher FP or bigger injectors to run 100 dry shot. Which is it?

Jay's quote was for his Miata. He has some nice timeslips on MT ET streets.

Frank
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Old 10-20-2009, 12:55 PM   #53
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Quote:
Originally Posted by miata2fast View Post
That was for the entire build. Exhaust, clutch, tires, nitrous, EVERTHING.
well not the exhaust i had that already, and not tires as well i had those before and if we are talking those as part of the build my 250$ apeice wheels would count agianst me i mean the full turbo system and everything else bolted to the engine, walboro 255hp, the wet kit i scored off ebay, MS1, and the clutch. yeah I had the wheels and tires cuase i like to go fast anyway and didnt want to have to use my brakes when doing **** at supralegal speeds when hitting corners.
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Old 10-20-2009, 12:56 PM   #54
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Please explain the statement that "nitrous cars 60ft better period" please. I feel that the 60ft is more a function of traction. How a car makes the power isn't relevant. Two cars making equal power, the one with the traction will be quicker if the driver doesn't screw it up. Take your car and my car, run them both down the track on the same tires they left the factory with and they will not put down a 60ft time anywhere near a car running a good set of tires.
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Old 10-20-2009, 09:21 PM   #55
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IMO turbos are for your serious street/track car and nitrous is for when your in you stock dd and you need to teach some ricer a lesson every once in a while. BTW i'm all about corners but i can't pass up a chance to put a civic with an exhaust in its place
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Old 10-20-2009, 11:11 PM   #56
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Quote:
Originally Posted by fmowry View Post
Miata2fast,
You've gotta be running higher FP or bigger injectors to run 100 dry shot. Which is it?

Jay's quote was for his Miata. He has some nice timeslips on MT ET streets.

Frank
Much higher fuel preasure. A pretty crude way to get more fuel, but it worked. I think it was jetted closer to 75 actually.
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Old 10-21-2009, 12:18 AM   #57
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Quote:
Originally Posted by JayL View Post
Please explain the statement that "nitrous cars 60ft better period" please. I feel that the 60ft is more a function of traction. How a car makes the power isn't relevant. Two cars making equal power, the one with the traction will be quicker if the driver doesn't screw it up. Take your car and my car, run them both down the track on the same tires they left the factory with and they will not put down a 60ft time anywhere near a car running a good set of tires.
I wrote this long explanation, and "poof" it disappeared.

The reason is that there is a difference in the torque delivery "promptness".

If there is no limitation in traction, the car that puts down the power sooner will get to the finish line sooner. Turbo cars come out softer, because there is a very slight delay in peak torque delivery. Even if the turbo car is under a load, and making boost, there is still a slight delay. In nitrous cars, there is no delay. It is instantaneous. When you are dealing with such a short distance, the slightest delay makes a big difference in the 60' time.

Now if there is a limitation in traction, the turbo car will have an advantage over the nitrous car. The power is soft and controlable on the turbo car. The nitrous car is too sudden and violent to allow for control.

As an added benefit, turbo cars are not as hard on transmissions, rearends, and axles as nitrous or N/A cars making the same power. Unfortunetly you pay the price by not getting that sexy super low 60' time.

Whether you are racing to 60' 660' or 1320', the car that makes the most power and gets that power down soonest, wins the race, assuming there is no limitations in traction. Jay, with the mph you are getting, you should easily get 1.6 or 1.5 second 60 times. The problem you are having is not in traction, but how soon you put the power down. Once you figure it out, you can easily go 10's in the quarter without making any more power. You have the mph.

Troy
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Old 10-21-2009, 01:07 AM   #58
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I see where you are coming from with the putting down the power sooner and that's the goal for any setup regardless of the power adder. Using launch control that's not an issue with a turbo. It's immediate as soon as the clutch is released, same as a nitrous setup would be. I don't see where the delay that you speak of comes from. If you could help me understand this it would be appreciated.

I still feel it's all about traction when we are talking about the drag strip. I would love to let someone with an entry level setup using street tires borrow my tires and make a few passes just to compare.

Now the method of launching and actual car setup would make for an interesting discussion. Whether using a turbo, nitrous or even a supercharger would all probably be a bit different in the style of launch.
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Old 10-21-2009, 01:21 AM   #59
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I bought patsmx5's nitrous kit and ran a 130hp jets on a stock 1.8L... i had a stock clutch so that didn't hold very well so i went down to 80hp jets which was fun and all but the bottle emptied to quickly... now i have a turbo at 10psi which is much better for street use.
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Old 10-21-2009, 01:41 AM   #60
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Just a quick OT, whatever happened to pat?
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