I have noticed that most of the cars running meth have the dual jets, I have the Snow kit and I was told that its not about hp that you are running but the amount of boost. My car dynoed 800hp at 10 psi of boost (with the flip drive i gained two pounds of boost). The motor is a LS7 with 10 cr. So do I need dual jets or would one 650 jet be ok? Thanks

 

I don't know much about the Snow kit other than I don't like it. How's that for bias. For that much power bro a dual nozzle setup is the way to go-with the ECS/Alky control kit they run a #10 and #15 nozzle.

Do the Snow kits give flow ratings of the nozzles-then maybe I can figure out which ones would equal the ECS/Alky control nozzles.

FWIW-I didn't like the controller of the Snow kit-it doesn't work as smoothly as the ECS/Alky control setup when the meth comes on.

 

Did some checking-don't quote me but the 15 flows 15gph@100psi and the 10 flows 10gph@100psi. I think the pump flows 180 psi.

 

Seems to me like you can go through ALOT of meth with a single nozzle. I've got the Alky Control single nozzle kit which is turned almost all the way up. I can empty the ws washer reservoir in 1 night of racing at 12psi.

That obviously is not a scientific way of looking at this, but I've yet to read a post where someone found they detonated/overheated with a single nozzle and fixed it with a dual.

If I was shooting for 100rwhp on 93/meth where I know I'm pushing the limits by not running race fuel I think it would make more sense.

 

Well! I got a AlkyControl kit with a single nozzle and it is perfect for me! and I got 701 RWHP on my little LS1

What I like about the AlkyControl kit is that it is progressive and does not give you full blast as soonj as it comes on

Thanks,Matt

 

according to snow site here is the flow rates for the jets with a 150 pump.
I have just one 625/ml/min

60/ml/ min
100/ml/min
175/ml/min
225/ml/min
375/ml/min
625/ml/min

Thanks Arun!

 

According to Julio from Alky Control he recommends dual nozzle up to 800rwhp use #10 and #15 size nozzles, over 800rwhp two #15 nozzles.

 

Get an AIS meth kit. Best out there and easiest to install and SUPER easy to control/adjust. Get a twin nozzle kit.

 

A dual nozzle was recommended to me (AIS) simply because running two jets instead of one would obviously allow for smaller jets, and thus smaller "droplets" or better atomization.

 

Its about airflow. A motor can be 450 or 900 HP at 10 PSI boost. The motor at 900 HP moves way more air than the 450 HP one. The one that moves more air uses more fuel and can support a higher volume of injection.

Lets say it like this, with an injection kit your typically looking at 20% fuel replacement to get the numbers on pump gas. The motor that makes 900 HP uses more fuel than the 450 HP one. So once you have your fuel figured out to support your HP, then its an issue to figure out what is 20% of that in terms of volume. Once you get the volume, then you can calculate nozzle size based on available pressure and experience.

I dont know how Snow rates their nozzles. Typically to rate you need a fixed pressure amount. If its 150 PSI, then you need to make sure you see 150 PSI on the nozzle. Smaller pumps have a hard time developing that pressure.

And we have to subtract boost pressure from pump pressure on the flow deal. So 150 PSI pump and 15 PSI boost = 135 effective.

Why the twins. becuase the motor moves enough air to handle it. Now the downside to twin nozzles is if your motor doesnt need the volume shot in and you turn down the controls, it will make the system lazy.

As far as droplets, atomiztion, dispersion, etc.. with methanol its not needed. Methanol flashes at 70 degree's. And 70 degree's is an easy number to reach with forced induction. Evy PSI boost typically is 11 degree's Fahrenheit. So 10 PSI boost is 110 plus ambient out of the blower/turbo as a rule of thumb.

Hope this helps,

Julio