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Old 10-07-2009, 03:48 AM   #1
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Default genral n2o?s

i have two genral questions searched but couldnt find a strait answer.
so i have a 98 m6 maro and going to running a dry set up that
i had just finished installing.car has long tubes w/ory and a lid w/k&N
and thats basicly it.i want to spray a 150rwhp dry shot.
my first question is should i be going with br7ef plugs or is that too cold?
and my second question is will it be safe ish to use a 150 dry shot with
the correct plugs and possibly doing the resistor mod?
i am going to be grude racing a 03 cobra with 480 rwhp that weighs
4000lbs.and i want to be sure im gonna take him out and keep my motor
safe.otherwise im gonna use my 125 shot jet.i know these are kinda stupid questions but i dont want to kill my ls1 if this was my old 5.0 i wouldnt give a
damn and just spray a 200 hit like i used to with a stock car.
thanks joe
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Old 10-07-2009, 01:29 PM   #2
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7's should be fine on that shot. I would be more concerned with your injector duty cycle and fuel pump. Are they still the stock injectors and pump?

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Old 10-07-2009, 01:39 PM   #3
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what size injectors do you have?
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Old 10-08-2009, 12:36 AM   #4
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i have stock injectors and fuel pump.i was gonna spray the 125 shot tonight
i still need to change the plugs im going to do that tomorow.tonight im gonna data log the car under spray and hope for the best it worries me but it is not a huge shot.and i belive stock injectors are 28. lbs per hr so i will be pushing them close to max duty cycle and we will see what happins as far as traction.
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Old 10-08-2009, 03:17 AM   #5
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car ran good on a 125 shot 2nd-4th but bottle was only at 600 psi
car deffinitly woke up.gonna still change the plugs.not worried about my buddies cobra any more,cant wait to refill the bottle
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Old 10-08-2009, 10:06 AM   #6
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I am scared for you. Your 125 shot at 600 psi was no where near 125 hp.

Good luck.
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Old 10-08-2009, 05:42 PM   #7
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scared for me?it hit pretty good.i know pressure makes a diff but i dont think it will make to big of one.never had n2o really slam me in the seat like alot of people thinks it does.gonna try tonight with a new bottle with more pressure.
wish i had a bottle warmer i dont want to use my tourch
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Old 10-09-2009, 10:35 AM   #8
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Quote:
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scared for me?it hit pretty good.i know pressure makes a diff but i dont think it will make to big of one.never had n2o really slam me in the seat like alot of people thinks it does.gonna try tonight with a new bottle with more pressure.
wish i had a bottle warmer i dont want to use my tourch
I would still verify duty cycle at operating pressure. Easier way to heat the bottle would be to put it in a tub of hot water before heading out, don't use a torch.

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Old 10-10-2009, 04:48 AM   #9
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I would still verify duty cycle at operating pressure. Easier way to heat the bottle would be to put it in a tub of hot water before heading out, don't use a torch.

Nick
im planning on buying hptuners software eventually this winter dont currently
have a way to moniter duty cycle un less i can talk my friend in to borrowing his $4k snap on scanner.tonight i did use the bath tub to heat it to use up the rest of my bottle.man i forgot how fast nitrous goes just filled the bottle this afternoon but i did spray it way too much.what are the symptoms of a frozen maf?i belive i froze mine tonight.car started to pop out of the exaust
after a 1-4th pull when i tried to spray less than a min later
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Old 10-10-2009, 11:23 PM   #10
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did you ever change the plugs?
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Old 10-11-2009, 12:20 AM   #11
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so you sprayed a entire bottle in less then a day 125 dry on stock plugs, no tune, etc?
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Old 10-11-2009, 02:17 AM   #12
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no never changed the plugs the looked fine so ididnt see a reason to.and yes
i sprayed a full bottle with a 125 shot in less than a day with no tune etc.
im gonna buy 75shot and 100shot jets.i forgot how addicting the juice is.
luckily im broke at the moment so i cant refill it.

ruckus46gt how do you like the nano set up?does it really help the bottle last?
been looking at buying one after i take care of some other stuff.would you say
its worth the $550?
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Old 10-11-2009, 08:39 AM   #13
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so you sprayed a entire bottle in less then a day 125 dry on stock plugs, no tune, etc?
My thoughts exactly. If you cannot afford a wideband, and the software to monitor things, then you sure as hell cannot afford to pull the motor and rebuild it.

A 125 wet shot with no wideband is acceptable (I would never do it) but a 125 dry shot is just asking for trouble unless you know exactly what is going on.
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Old 10-11-2009, 11:16 AM   #14
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Quote:
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My thoughts exactly. If you cannot afford a wideband, and the software to monitor things, then you sure as hell cannot afford to pull the motor and rebuild it.

A 125 wet shot with no wideband is acceptable (I would never do it) but a 125 dry shot is just asking for trouble unless you know exactly what is going on.

agreed
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Old 10-11-2009, 09:20 PM   #15
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Quote:
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My thoughts exactly. If you cannot afford a wideband, and the software to monitor things, then you sure as hell cannot afford to pull the motor and rebuild it.

A 125 wet shot with no wideband is acceptable (I would never do it) but a 125 dry shot is just asking for trouble unless you know exactly what is going on.
thats understandable. the only way i can currently moniter any thing is by reading the plugs which have been good and im not too worried for the moment in time since the weather is starting to change here.some time in
novembeer im gonna get the software and a lm1 for the car and start
tuning it and by spring im going to buy an interface and do more tunning and
a nitrous tune. i do understand what is being said and am well aware of the consiquensces and if i toast my motor so be it.
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Old 10-11-2009, 09:43 PM   #16
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you do realize to read the plug you have to read it right after you spray the car. Not spray the car and then drive 5 mins back to your house
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Old 10-11-2009, 10:02 PM   #17
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yes i do realize that.just cause i live in the seattle are does not mean i cant do that.i am not a complete idiot.lol
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