N.O.S question
11-03-02, 12:36 AM
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N.O.S question
Anyone know how much nitrous a 84 se can handle? I was thinking of using a turbo but the car does not have one yet. Would I be better off to leave the turbo off or would the combo last on the engine? I want to try using the 150hp kit(fogger kit... a wet kit). Other than th suggestion of ceramic apex seals what else would a guy need to do to the internals? 
you said the deemed evil word! It's called Nitrous Oxide.... NOS is the brand name 
11-03-02, 09:32 AM
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yeah go ahead and do the 150 shot on your 130hp motor, it will be wicked fast, as long as you shift mad quick. after you blow the hell out of that motor just get a turbo 13b and throw it in there.
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11-03-02, 09:49 PM
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hehehe 'sokay, we're all being ultrapicky...
But anyhow, try the exhaust upgrade before you risk your engine. If you still havea need for more, then go to turbocharging and/or N2O
But anyhow, try the exhaust upgrade before you risk your engine. If you still havea need for more, then go to turbocharging and/or N2O
Last edited by Manntis; 11-03-02 at 09:57 PM.
11-04-02, 01:26 PM
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Short answer...stick w/100 to get street equality but 75 if you want the engine to last for 70,000+ miles...wear on parts and seals doesn't go away just 'cuz you didn't grenade the engine in 20,000.....
11-05-02, 01:58 AM
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N2O sucks!!! i experimented with it with poor results..In my opinion rotary engines dont like lots of N2O... you have to constantly refil the pesky bottle that weighs 24 pounds that takes up valueable space , you have to maintain a constant bottle pressure for it to work properly , the solinoids need constant maitinence .... the stuff costs $2.50 and up per pound..... forget it !!!
11-05-02, 10:10 AM
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Originally posted by 680RWHP12A
N2O sucks!!! i experimented with it with poor results..In my opinion rotary engines dont like lots of N2O... you have to constantly refil the pesky bottle that weighs 24 pounds that takes up valueable space , you have to maintain a constant bottle pressure for it to work properly , the solinoids need constant maitinence .... the stuff costs $2.50 and up per pound..... forget it !!!
N2O sucks!!! i experimented with it with poor results..In my opinion rotary engines dont like lots of N2O... you have to constantly refil the pesky bottle that weighs 24 pounds that takes up valueable space , you have to maintain a constant bottle pressure for it to work properly , the solinoids need constant maitinence .... the stuff costs $2.50 and up per pound..... forget it !!!
11-05-02, 11:17 AM
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Once again, this is a 1st gen RX-7 forum, not a drag racing forum. Maybe 680 was voicing his opinion of N2O for street?
I don't have timeslips as I drive my car on the street, as it was intended. Does that make my opinion less valid than those who view FBs as drag race toys?
I don't have timeslips as I drive my car on the street, as it was intended. Does that make my opinion less valid than those who view FBs as drag race toys?
11-05-02, 01:25 PM
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Originally posted by Manntis
Once again, this is a 1st gen RX-7 forum, not a drag racing forum. Maybe 680 was voicing his opinion of N2O for street?
I don't have timeslips as I drive my car on the street, as it was intended. Does that make my opinion less valid than those who view FBs as drag race toys?
Once again, this is a 1st gen RX-7 forum, not a drag racing forum. Maybe 680 was voicing his opinion of N2O for street?
I don't have timeslips as I drive my car on the street, as it was intended. Does that make my opinion less valid than those who view FBs as drag race toys?
If you saw my car, you would know it's not a drag car.
He simply stated it sucked, did not say for the street, or for race, just that it sucked.
N2O is very similar to a turbo or supercharger. Do those suck also?
11-05-02, 03:42 PM
#20
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Originally posted by David88vert
Ok, my 7 is for the street, not a drag race car. I still use N2O very effectively. It works fine on the street also.
If you saw my car, you would know it's not a drag car.
He simply stated it sucked, did not say for the street, or for race, just that it sucked.
N2O is very similar to a turbo or supercharger. Do those suck also?
Ok, my 7 is for the street, not a drag race car. I still use N2O very effectively. It works fine on the street also.
If you saw my car, you would know it's not a drag car.
He simply stated it sucked, did not say for the street, or for race, just that it sucked.
N2O is very similar to a turbo or supercharger. Do those suck also?
11-05-02, 03:48 PM
#21
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Originally posted by David88vert
Oviously, you haven't used it much. Post a timeslip. We have a 6.00 second 1/8 mile car (800 shot) running consistently for money that just won this past weekends runs, and a 6 second 1/4 mile car (1200 shot) that runs at the SpeedWorld Finals every year. They are both very consistent and very fast. Both are N2O fed. You still think that that sucks? Do you have a video of your dyno run? I'd like to see you put down 680rwhp off a 12A.
Oviously, you haven't used it much. Post a timeslip. We have a 6.00 second 1/8 mile car (800 shot) running consistently for money that just won this past weekends runs, and a 6 second 1/4 mile car (1200 shot) that runs at the SpeedWorld Finals every year. They are both very consistent and very fast. Both are N2O fed. You still think that that sucks? Do you have a video of your dyno run? I'd like to see you put down 680rwhp off a 12A.
11-05-02, 04:09 PM
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Originally posted by 680RWHP12A
you stated you use N2O for the street....what hp are you using for your daily driven car.... thats using N2O???what kind of gas do you use???
you stated you use N2O for the street....what hp are you using for your daily driven car.... thats using N2O???what kind of gas do you use???
Just running a little 100 shot in my SE, another one of the guys is running 150 in his SE. Oh yeah, he's Puerto Rican.
My point is that it works fine, just like a turbo or supercharger. It's just a power adder. If you know how to control your jet size and bottle pressure, it will not do any more damage than any other power adder. I'm willing to bet that you didn't have a bottle heater. If yoiu had, you'd probably like it a lot more. Of course, if you're already at 680rwhp, you probably can't push that motor much farther anyway.
11-05-02, 04:17 PM
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Originally posted by 680RWHP12A
these 6 sec. cars your talking about????are they rotaries??? i dont think so! i said N2O dosnt work good on rotaries, not piston engines!!!the fastest rotary i have ever seen using N2O was a Purtorican car called Bam- Bam.....it was a chassis car,, miata and with a P-port and N2O it barely ran in the 9 's!!!
these 6 sec. cars your talking about????are they rotaries??? i dont think so! i said N2O dosnt work good on rotaries, not piston engines!!!the fastest rotary i have ever seen using N2O was a Purtorican car called Bam- Bam.....it was a chassis car,, miata and with a P-port and N2O it barely ran in the 9 's!!!
11-05-02, 05:46 PM
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Originally posted by David88vert
Pump gas - 93 octane
Just running a little 100 shot in my SE, another one of the guys is running 150 in his SE. Oh yeah, he's Puerto Rican.
My point is that it works fine, just like a turbo or supercharger. It's just a power adder. If you know how to control your jet size and bottle pressure, it will not do any more damage than any other power adder. I'm willing to bet that you didn't have a bottle heater. If yoiu had, you'd probably like it a lot more. Of course, if you're already at 680rwhp, you probably can't push that motor much farther anyway.
Pump gas - 93 octane
Just running a little 100 shot in my SE, another one of the guys is running 150 in his SE. Oh yeah, he's Puerto Rican.
My point is that it works fine, just like a turbo or supercharger. It's just a power adder. If you know how to control your jet size and bottle pressure, it will not do any more damage than any other power adder. I'm willing to bet that you didn't have a bottle heater. If yoiu had, you'd probably like it a lot more. Of course, if you're already at 680rwhp, you probably can't push that motor much farther anyway.
100 shot??? dont think so... not on pump gas!!ive done it and guess what the motor blew up! any time you run anything larger than a 75 shot on a stock small displacement engine you HAVE to run higher octane fuel!!!your proabably not running a "true" 100 shot.... wich solinoids are you useing???how did you run your fuel system? how many foggers are you useing?? what are your jet sizes?? have you ever "FLOWED" your system??these are all determining factors in estimating the hp level your squeezing
11-05-02, 08:46 PM
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Originally posted by 680RWHP12A
100 shot??? dont think so... not on pump gas!!ive done it and guess what the motor blew up! any time you run anything larger than a 75 shot on a stock small displacement engine you HAVE to run higher octane fuel!!!your proabably not running a "true" 100 shot.... wich solinoids are you useing???how did you run your fuel system? how many foggers are you useing?? what are your jet sizes?? have you ever "FLOWED" your system??these are all determining factors in estimating the hp level your squeezing
100 shot??? dont think so... not on pump gas!!ive done it and guess what the motor blew up! any time you run anything larger than a 75 shot on a stock small displacement engine you HAVE to run higher octane fuel!!!your proabably not running a "true" 100 shot.... wich solinoids are you useing???how did you run your fuel system? how many foggers are you useing?? what are your jet sizes?? have you ever "FLOWED" your system??these are all determining factors in estimating the hp level your squeezing
One of the guys here runs a 150 shot on his carbed GSL-SE - 13.3 all day long - on 87 octane. It all in how you set it up.
I suppose that I should tell you that neither my fuel system or engine is stock though. On a stock motor with stock fuel system, I would agree with you that the reasonable safe limit would be around a 75 shot.
I can't help that your motor blew up. Over here, we have been running N2O for a long time. We still killl a few motors, but it's just as dependable as a turbo or supercharger - the downside is that you do have to fill up - unlike either of the others.
Got a video of your dyno run around? I'm interested in seeing that.