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Old Apr 24, 2006 | 09:04 PM
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Default cutting out while spraying

So i finally got my bottle filled and did a few 2nd through 4th gear roll's with the N2o. The car will cut-out while pulling through the RPM's. It almost feels like the Nitrous is turning on and off. When i first got it installed there was a little left in the bottle like 850-900psi and it felt like it was hitting harder then and it didnt cut out at all. I am not sure what its doing and dont want to **** it up so let me know what u guys think. I havent upgraded to the TR6 plugs yet. Just has the TR55's in it. Could that be the problem?

-Blaze

BTW, its a TNT F1 kit jetted to 150shot. And i am running a Window switch and a WOT switch. Also have the Racetronix fuel system.
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Old Apr 24, 2006 | 09:14 PM
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Plugs could be a pretty big issue, I would suggest running a colder plug. How many pounds of N2O are left in the bottle? Sounds like it may be empty?

Matt

Originally Posted by Smartass6885
So i finally got my bottle filled and did a few 2nd through 4th gear roll's with the N2o. The car will cut-out while pulling through the RPM's. It almost feels like the Nitrous is turning on and off. When i first got it installed there was a little left in the bottle like 850-900psi and it felt like it was hitting harder then and it didnt cut out at all. I am not sure what its doing and dont want to **** it up so let me know what u guys think. I havent upgraded to the TR6 plugs yet. Just has the TR55's in it. Could that be the problem?

-Blaze

BTW, its a TNT F1 kit jetted to 150shot. And i am running a Window switch and a WOT switch. Also have the Racetronix fuel system.
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Old Apr 24, 2006 | 09:18 PM
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Originally Posted by Matt@HSW
Plugs could be a pretty big issue, I would suggest running a colder plug. How many pounds of N2O are left in the bottle? Sounds like it may be empty?

Matt
I just had it filled and had the heater on til it hit 1000psi .Definately not empty already.
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Old Apr 24, 2006 | 09:56 PM
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Do you have a FPSS????
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Old Apr 24, 2006 | 09:58 PM
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Originally Posted by TA4EVR
Do you have a FPSS????
No i dont. I figured with the racetronix kit that i would be ok on the fuel pressure. Should probably throw one it just incase somthin stops workin.
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Old Apr 24, 2006 | 10:01 PM
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Just thought I would ask, FPSS, with not enough pressure will do just that, kick the kit on and off....sorry I couldn't help! Good luck
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Old Apr 25, 2006 | 04:54 AM
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anybody else ?
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Old Apr 25, 2006 | 07:09 AM
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I have read that some injectors will momentarily lock with a nitrous spray over 100. This causes what is called "stuttering".
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Old Apr 25, 2006 | 07:37 AM
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It very well could be a combo of the plugs you are using and their gap. You could also have a bad electrical connection. I’d try the plugs first, especially if you are spraying a 150 shot on the factory heat range plugs.

Matt
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Old Apr 25, 2006 | 08:16 AM
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I had this problem before and I was dead set on it being my wiring. Turned out my bottle was half filled with air from an iffy shop in town that filled it.
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Old Apr 25, 2006 | 09:19 AM
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I would check your wiring. A bad ground could do the same. That sounds just like the problem I had except mine was the FPSS. Since you don't have one I would change over to the TR6s and then check the wiring if it still happens
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Old Apr 25, 2006 | 07:25 PM
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thanks guys. i will get the plugs and check the wiring. then if that dont work, i will get the bottle filled again. Thanks again

-Blaze
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Old Apr 25, 2006 | 08:23 PM
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Blaze, find an accurate scale, weigh your bottle empty, 10# should be around 24 lbs give or take, but you will want to know exactly what it is. Then weigh it after the fill, right there in the shop thats filling it using their scale. I had got a "full" bottle before that cut it up like that, come to find out, there was only about 3lbs of nitrous in the bottle. Since then, I weigh it.
Next, plugs, change them. Dont mess around with 150shot and TR-55's especially if they arent regapped to a close range, like .035" on those plugs. Get a set of TR-6 gap em at .038" and drive on knowing the plugs are good.
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Old Apr 25, 2006 | 09:09 PM
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Originally Posted by CAT3
Blaze, find an accurate scale, weigh your bottle empty, 10# should be around 24 lbs give or take, but you will want to know exactly what it is. Then weigh it after the fill, right there in the shop thats filling it using their scale. I had got a "full" bottle before that cut it up like that, come to find out, there was only about 3lbs of nitrous in the bottle. Since then, I weigh it.
Next, plugs, change them. Dont mess around with 150shot and TR-55's especially if they arent regapped to a close range, like .035" on those plugs. Get a set of TR-6 gap em at .038" and drive on knowing the plugs are good.

I will do that. The bottle did feel a good bit heavier then it did before the fill. But it could still be the problem. When the bottle is first filled and is cold what will the PSI usually be at. Definately goin to get the plugs before i spray it again.

-Blaze
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Old Apr 25, 2006 | 09:42 PM
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pressure depends on temp as well as amount of fill to some extent. cold bottles lower pressure. usually bottles get warm when filled. If it was a new bottle, you should have taken the valve out to make sure the bottle is clean inside, debris will also make you cut in and out, but TNT includes a large filter correct? if so, make sure when you empty the bottle, and check the siphon tube make sure its clean inside. and check the filter, you should easily be able to blow through it.
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