stherngent

iTrader: (7)

At what point do you need two bottles ?

dannyz

Depend's.
Run two if you are running a 200+shot to keep the pressure consistent during a 1/4 run.
But if your just running on the street and want to save a few buck's, one bottle will be just fine.

HCI2000SS

iTrader: (2)

Depends on the size of the shot and size of the bottle

stherngent

iTrader: (7)

10lb bottle 300-400 shot, 1/8 mile

HCI2000SS

iTrader: (2)

At that point id opt for a bigger bottle or 2 of them

slowsol95

iTrader: (1)

If you can, log your pressure during a run and see what happens. Or, make an eighth mile pass and weigh the bottle before and after. Id bet you don't use more than 3-4 lbs a pass. A 10 lb bottle will start to drop off pressure once there is about 5-6 lbs left. One 10 lb bottle will will suffice there, but if you ever plan to make 1/4 mile hits a 15lb bottle wouldnt hurt either. Ideally if you are racing the car competitively you would have multiple bottles and put a fresh one in each pass to maintain consistency.

dannyz

just run two bottles and be done with it.

ATwelveSec02Z28

iTrader: (17)

300-400 you'll be fine with 1 10lb bottle if you're only making one run per bottle.

ZackMorris

How are you guys linking the bottles.. just a 6an Y close to the bottles?

AJatNitrousOutlet

When using 2 bottles, we use a 6AN 'Y' with 12" lines going from the 'Y' to the bottles.

AJatNitrousOutlet

If you're losing enough pressure through your run that at the end, your tune is affected. Generally, if it goes fat on the big end- it's time to use either a bigger bottle or dual bottles.

stherngent

iTrader: (7)

Good info, thanks guys

BMR Sales2

iTrader: (40)

With this kind of shot I would definitely use a bigger bottle and maybe even add a 2nd one to the system. It will ensure that you have more consistent pressure and don't see so much pressure drop through the pass. I know with the 15lb bottles we only got 2-3 good passes out of them on a similar shot before we would see pressure issues.

ATwelveSec02Z28

iTrader: (17)

When I was spraying about 1500pph (400 or so) each run was roughly 3 to 3.5lbs of nitrous from purge to end of run....

I have data on 10lb vs 15lb bottles.... It was only about a 25psi difference on 1600pph


With a 10 lb bottle definitely only 1 pass per bottle, even with a 15 I would keep it to 1 pass ( I wouldn't run a 15 lb bottle down to 8lbs). Going to dual 10lb bottles would only be an option of swapping bottles between runs isn't an option... Why carry the added weight.... Also if making 1 run per bottle isn't an option, look into nano or other push type systems if permitted

ZackMorris

I've never had luck with nano on anything over 200. If anyone has tips on making nano reliable on a 300+, please chime in as I have 3 nano setups sitting around...

ATwelveSec02Z28

iTrader: (17)

Its all in the valving... if the nitrogen or compressed air from the nano cant fill the headspace of the nitrous bottle as fast as the nitrous is leaving, you will have falling bottle pressure.

Ive seen conventional pusher systems that flow more than adequate for 500+...

stherngent

iTrader: (7)

I might should've added that we only have 1/8 mile tracks around here.