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hi guys im currently running a snow performance unit on my rb25det, and was wondering why your all injection so much w/m 500cc 600cc is huge! im only running 175cc and thats enough for between 380-450hp. so there scale says. and i agree with statments earlyer overtaking lines of truck or cars is so much easyer with huge horsepower as longe as the car is sorta strait when doing so :/ i have ordered a 60cc injector to do pre turbo injection on my car so ill see how that runs. as far as getting pure methanol i just did a fuel supplier search for my local area and found crockers fuel distrabution and i picked up 2x20L methanol bottles for 85 bucks. heaps on the shelf to. plus 2x20l distilled water.

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2 x20 litre bottles = 80 litres of mixture, hell you'll never have to buy meth ever again - are you drinking the stuff???

I used the SP nozzle that had 370 stamped on it, I had three to choose from and after talking to others and asking SP that is the one that was recommended - I'll see how it goes.

If you want a straight drive, get a 1.5 way locker, works a treat [not so good around roundabouts though, have to be careful not to put the foot down too soon - otherwise it wants to torque steer straight].

And yeah, I ordered mine through a fuel supplier, could have got it myself, but you have all the hassles of arranging freight and most common carriers won't touch flammables.

  • 3 weeks later...

I have decided to go with the Aquamist HFS-3 kit as it seems like the best suited kit for my application.

Now a couple of questions,

What size jets should I be looking at running? Hoping to get around 550hp with the injection on -5 turbos.

What size tank would be best suited for someone who does 1 trackday a month (nothing competitive) and only drives the car on weekends (lucky to do 150ks a week)? The car is a 32 GTR.

Any other bits that I will need that aren't included in the kit? Like 1/8"NPT tap for the jets or will most workshops have this as I will be getting a workshop to install the kit.

Thanks

Edited by HecticGTR

Im using this as a rough guide to my Jet calculation's

http://www.howertonengineering.com/Jet_Calc.html

Some information on the jet installation can be found here:

http://www.howertonengineering.com/Kit_Install_FAQ.html

"1) What size tap will I need for the jet?

The jet ships with a jet adapter that is the actual unit that will be tapped into piping/manifold/etc. This adapter is 1/8"NPT. Therefore you will need a 1/8"NPT tap and 11/32 drill bit. If you wish tap for the jet and forego the adapter you will need a M8x.75mm tap and 7.2mm(9/32") drill bit. Please see question #2."

Im looking at around the 500rwhp mark and probably going to go with the twin nozzle setup ( a 0.8mm and a 0.9mm )

I would decide on the tank size after you work out how many CC's you are going to be flowing a minute and how often you are going to be wanting to refill the tank at the track days.. im looking at the 10litre AIS tank, it looks quite presentable and has space for the pump to be mounted at the bottom of the tank and should hopefully be plenty for one tank of fuel.

Hope that helps

Jarrod

  • 3 months later...

i daily drive my car with a Labonte Meth kit with a m4 nozzle, i have 1000cc inj and a holsex hx35 it sprays right before the TB, it make my car super rich since i havent retuned for it yet, but its pretty cool, i got low level indicator, and i have light for when it sprays, a huge tank and the solenoid. I use washer fluid (peak) and no trouble yet. i have it set to spray when i go over 10psi with my retune and the meth i hope for around 550hp on my built rb25. i drove it for easily 3000 miles with 0 hiccups outside of being super rich

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