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BDJ406

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nos question
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nosive been toying around with the idea of running nos kit on my 406 sbc maybe a 250shot .i was woundering how much timing i should run and if i should run a seprite fuel system and how much fuel presure. thank you

-- Edited by bdj406 at 02:05, 2008-12-18

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ZOHAN

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you wont!!!!!!!!!!

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The rule is you retard the timing 2 deg for every 50 hp shot. Will have to retard the timing 10 deg. The best way to do it is run a MSD Retard Box.

http://www.msdignition.com/Products/RPM/Timing_Controls/Timing_Controls/8975_-_Digital_Multi-Retard.aspx

You should definitely run a separate fuel system. The worse thing you can do is starve a nitrous motor for fuel.

How much fuel pressure depends on the kit. I have a NX Gemini Quad Plate System. I run my fuel pressure carb between 6 1/2 - 7 psi and the nitrous fuel pressure between 9 - 9 1/2 psi

http://www.nitrousexpress.com/Pages/Holleyquad.htm

-- Edited by LX546 at 16:32, 2008-12-21

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BDJ406

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thank you i tried it be fore and pop the top of the piston off the carb had some shit in it and it went lean and havent tried it sents i just didnt know enuff about it


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With a 250hp shot you will have to run a nitrous fuel VP C16, VP N2O or Sunoco MaxNOS

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BDJ406

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wat do think it would run ball park figure it runs 11.02 with no spray tk

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low 10 - high 9

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evileye.gifyou wontnos

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77 z28 wrote:

evileye.gifyou wontnos






But he should

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ZOHAN

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nick u r a sick bastard!!! lol!!

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RATZ28 wrote:

nick u r a sick bastard!!! lol!!






I think I am the only one willing and not afraid of spraying nitrous.

LOL Just Kidding

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ZOHAN

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well you are the nitrous GOOROO!

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RATZ28 wrote:

well you are the nitrous GOOROO!






hummmm good point

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LX546 wrote:

RATZ28 wrote:

nick u r a sick bastard!!! lol!!






I think I am the only one willing and not afraid of spraying nitrous.

LOL Just Kidding





I'LL BE SPRAY'IN THIS SEASON

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331-stang wrote:

I'LL BE SPRAY'IN THIS SEASON





How much are you going to spray?


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LX546 wrote:

331-stang wrote:

I'LL BE SPRAY'IN THIS SEASON





How much are you going to spray?






just little 150 shot

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150 shot is a good starting point.

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BDJ406

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if i spray my car should i take gear out i shift at 7000 rpms and go over the line at 7000 so how much should i take out tk?

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what gear do you have and what size tire do you have.

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BDJ406

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i have 4.88 with a 30-9 inch slick

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I would not go by that 2 degrees for 50 Hp rule

better to take out to much then to little when it comes to timing and a Nos motor

I wouldn't go out there with 250 on the 1st hit either.

better to take baby steps when it comes to spraying then going for the BIG #

fuel pressure without knowing what kit you are using gonna be tough call.

I would run either one big pump or 2 fuel systems

My advice take it or leave it

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Voluster wrote:

I would not go by that 2 degrees for 50 Hp rule

better to take out to much then to little when it comes to timing and a Nos motor

I wouldn't go out there with 250 on the 1st hit either.

better to take baby steps when it comes to spraying then going for the BIG #

fuel pressure without knowing what kit you are using gonna be tough call.

I would run either one big pump or 2 fuel systems

My advice take it or leave it






I have been using 2 per 50 rule for 10 years and hasn't failed me yet. When you pull out too much timing without using a crank trigger you run the risk a misfire. There is nothing wrong with a 250 shot to start with as long as the motor and suspension can handle it. When I started my first shot was a 200 shot. If the motor can't handle it or you are afraid of the power you should be behind the wheel. You should never be afraid of it but have all the respect for it in the world.

-- Edited by LX546 on Sunday 24th of January 2010 11:30:21 AM

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Hey gooroo,I spray a 350 big shot plate and I don't have any issues with the power The ploblem I have is with tires I am using a googyear 29x10.0x15 caltracs dragshock ect. I am trying to spray from the gate and it spins about 50-60 feet out any suggestions on a tire?I do not want to use a progressive controller as they are rough on the solenoids.

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I run a 29.5X10.5/15 Mickey Thompson ET Drag Part# 3062S on a 12" rim. I spray right out of the gate. Off a trans brake @ 3800rpm without a problem.



-- Edited by LX546 on Sunday 4th of April 2010 07:18:40 PM

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THIS IS HOME

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LX546 wrote:

I run a 29.5X10.5/15 Mickey Thompson ET Drag Part# 3062S on a 12" rim. I spray right out of the gate. Off a trans brake @ 3800rpm without a problem.



-- Edited by LX546 on Sunday 4th of April 2010 07:18:40 PM




respect

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BDJ406

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reajust the rear suspension or call caltracs for there appion

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