NITROUS OXIDE ( nos / n2o ) advice forum

hi all

right i need a kit to spin my draw thru turbo off the line . only want it on for the 60ft (maybe more i get hooked quick) i like the look at the wizards kits but i only need a basic kit looking for 20hp off line just for turbo to boost

i see they dont come with fuel pump ? which one is needed

cheers dave

Hi Dave,ideally you want as simple a system as pos.

A single crossfire might be possible depending on your manifold.

I'd guess you already have a pumped fuel system? so tapping into that for 20hp at launch wouldn't/shouldn't be a problem.

Our SB25 will do that job for you.

http://www.noswizard.com/product_desc.php?id=124

PS. Nige is right about the pump but even if you don't have a pump you don't need one, as gravity works just fine.

BTW Paul Gast is doing EXTREMELY WELL at Pro Mod level WITHOUT using a pump.

cheers for that .
im not using a pump for turbo it gravity but it only holds say 4lrts so i would be happier with one for the nos , what psi pump would you suggest

thanks dave

4 ltrs is more than enough and keep in mind that if it's OK to run the carb/engine without a pump, why would you need one for the nitrous???

If however you still decide to use a pump, then ANY pressure is fine.

i have a facet pump so that be ok then to use ?
next thing i dont want a controller but need the gas on only to spool up turbo . what's the best way to set it up, i've seen boost pressure switch's etc

cheers

If its one of those solid state (cube looking) type you'd be MUCH BETTER OFF using gravity.

What's your reasons for being against gravity, especially for such a basic use???

An adjustable boost pressure switch is the way to control it and these can be found on our web site.

its a cylinder red top one.

tell me why your kit dont need a pump ? i,ve used nos before on a n/a dragbike and that had a pump .i know nos has bottle pressure to firer it in but cant see how gravity would get the fuel in as quick as a pump. ( i would love not to use a pump but am worried of a trashed motor)

i will be firing the fuel in between the carb and turbo and nos in turbo outlet.

this is a dragbike with custom made tank
i have 4 lt tank but just enough for turbo set up it seems ok , the tank is mounted on frame and would be about 6 inches above inlet track to pingle tap
just worried that fuel would need pumping. i have a spare outlet on tap

thanks dave

Mate, as long as the flow rate is correct you dont need to worry bout a pump. Especially as you just said you firing fuel on vacuum side.
As for the tap, if i were you i would mod the tank for a 2nd tap to be fitted so not to starve either carb or Nitrous when fuel on high demand. Even with a pump i would still go that way.

Steve

thats great thanks alot i'm sold on it just needed know it was ok .
as had nos kit before that had a pump but that pump packed up and so did the motor handy not using pump as something else to go wrong

thanks again for all the answers and sorry bout all the questions

be ordering a kit next month ..

cheers dave

No i Hadn't forgotten Trev, but i also know what that little innoccuous "maybe" means lol, i remember when 40BHP felt good , you of all people knows where that goes!!

Steve

LOL - good point - LOL

He can think about adding a pump when he feels the urge for more power.

well that's me parted with my cash ordered kit today and gauge . went for 2lb bottle are there bracket with them in kit ??????

Wise man and yes the brackets are included.

Cool I be interested of a pic of where and how you fit the Long 2lb Won bottle you orded on your bike , I had to use the short USA Normal size bottle , and rember that the Won bottle/vavle is only really desgin for the Vavle up position with a dip tube , and when you fit gauge make sure the rubber plug is always upper most or you may loose the liquied inside

Let us Know how you get on , have you got any pics of bike


Tezz

was thinking bracket off swing arm or bars but there be somewhere i'm sure

got kit today well smart, money well spent.
many thanks.


now where shall i stick that bottle

I look forward to seeing what you come up with , this was one of my bigest problems and with recent sprv discussion it needs to be mounted Valve up with a dip tube facing forwards , i tried it other way with vavle up but valve facing rear of bike and got delivery problems unless bottle was always 100% full , in end i had to use a stumpy USA bottle and small valve inside me swing arm in front of rear wheel and i just got the clearance

Nice Bike

Tezz

is this still the rule for fitting Nos Bottles ?

NOS - NOS bottles must be stamped DOT-1800 rating and securely mounted inside perimeter of frame members and or bodywork. Bottles may be mounted to swing arm only if mount is welded or attached by a minimum of two 5/16" bolts with a bottle anti-drop device. Bottle must have a clamp to keep bottle tight in mount. No hose clamps or tie wraps. Line from bottle to solenoid must be high pressure steel braid or steel. To allow access to NOS bottle, all NOS bikes must have thumb (butterfly) body fasteners on any aftermarket body pieces that cover bottle to allow removal of panel or section by hand without the use of tools.

My home made anit drop lanyad i just clip it to frame above bottle

wounder what they would make of this

I think Mi5 and the anti-terrorist squad would have a field day blowing that up

Ever considered a small shot of gas straight into the turbine housing? This used
to be the trick for a hassle free instant boost setup.

Oh and Gast us the man, to ride 6 second probsrock bikes and quicker pro mod bikes at his age is just awesome!

Sam