Nitro Fill

06naSTI · 01-07-2007, 11:45 AM

I decided to try out nitro fill today but I am wondering if I should use a different tire preassure. It is set to 36/30 psi on 235/45/17.

Any suggestions?

05cgm · 01-07-2007, 12:01 PM

I don't see why. The purpose of using the nitro is because it does not expand, no change in pressure due to heat so I would think you would be fine.

**T3h_Clap** · 01-08-2007, 03:27 PM

isn't the air you put in your tires already roughly 75% nitrogen?

haroman311 · 01-08-2007, 03:34 PM

i think it can be a good idea, but remember, no matter what u put in, remember to have good tires, wheels, and valve stems. i work for a major auto company and i cant tell you how many cars i see come in, with the green rubber band or valve stem cap(showing it has nitrogen in it) with leaks coming out of the beads and valve stems cuz the tire companies didnt clean the wheel lips off and install new valve stems

so if u get it make sure u have brand new tires and that they install new valve stems and clean off the wheels.

**T3h_Clap** · 01-08-2007, 03:38 PM

i still don't see the point.

it isn't easily accesible for small changes (if neccessary)

and is it really worth the extra money for 25% more?

most companies give 20% more free, so technically we should only pay for the 5% increase in nitrogen which would mean we only have to 5% over free, which ends up being......ahhh screw it. it's pointless.

Web_Foot_STi · 01-08-2007, 07:09 PM

It's not so much that Nitrogen doesn't abide by the gas laws and does not expand due to heat. Dry air would be fine too. The trick is to get DRY air. Unless a shop has a really nice dryer for their compressor there will be water in the air and H2O vapor expands and contracts a LOT with temperature swings.

**T3h_Clap** · 01-09-2007, 05:32 AM

Quote:

Originally Posted by Web_Foot_STi

It's not so much that Nitrogen doesn't abide by the gas laws and does not expand due to heat. Dry air would be fine too. The trick is to get DRY air. Unless a shop has a really nice dryer for their compressor there will be water in the air and H2O vapor expands and contracts a LOT with temperature swings.

plus Nitrogen is illegal in SCCA Solo2

06naSTI · 01-10-2007, 01:44 PM

I heard and read good things about and just wanted to try it out. PSI does stay the same after a 45min highway drive if FL. I guess the main advantage is the lower temp. Plus it is a one time fee and everything else after that is free.

ilovecarbs · 01-10-2007, 01:52 PM

Nitrogen still expands, just not as much. You'll get more consistent tire pressures. I used to use it when I karted.

01-07-2007, 11:45 AM	#1
06naSTI Grassroots STI Racer Car: 06 STI Location: FL Posts: 573 IWSTI Addict since: May 2006 Trader Rating: (0)	Nitro Fill I decided to try out nitro fill today but I am wondering if I should use a different tire preassure. It is set to 36/30 psi on 235/45/17. Any suggestions? This ad is not endorsed by this member. Please register or login to hide this ad. Last edited by 06naSTI; 01-08-2007 at 11:05 AM.

01-10-2007, 01:52 PM	#9
ilovecarbs STI Driver Car: '06 CGM/Gold STi Location: Socal Posts: 253 IWSTI Addict since: May 2006 Trader Rating: (0)	Nitrogen still expands, just not as much. You'll get more consistent tire pressures. I used to use it when I karted. This ad is not endorsed by this member. Please register or login to hide this ad.

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01-07-2007, 12:01 PM	#2
05cgm Silver Member Car: 05 CGM STi Fav Mod: Track days!!! Location: Santa Clarita, CA Posts: 1,237 IWSTI Addict since: Jun 2005 Trader Rating: (5)	I don't see why. The purpose of using the nitro is because it does not expand, no change in pressure due to heat so I would think you would be fine.

01-08-2007, 03:27 PM	#3
T3h_Clap Wheel33tist Whore Car: Aspen White GDF-D Fav Mod: Pastelito Racing / SFSOC Location: 0R!4ND0 Posts: 21,519 IWSTI Addict since: Dec 2004 Trader Rating: (7)	isn't the air you put in your tires already roughly 75% nitrogen?

01-08-2007, 03:34 PM	#4
haroman311 Professional STI Racer Car: 2006 Subaru WRX STI Fav Mod: Maddad DP and P&L Catback, stage 2!!! Location: Omaha, Nebraska Posts: 632 IWSTI Addict since: Oct 2006 Trader Rating: (9)	i think it can be a good idea, but remember, no matter what u put in, remember to have good tires, wheels, and valve stems. i work for a major auto company and i cant tell you how many cars i see come in, with the green rubber band or valve stem cap(showing it has nitrogen in it) with leaks coming out of the beads and valve stems cuz the tire companies didnt clean the wheel lips off and install new valve stems so if u get it make sure u have brand new tires and that they install new valve stems and clean off the wheels.

01-08-2007, 03:38 PM	#5
T3h_Clap Wheel33tist Whore Car: Aspen White GDF-D Fav Mod: Pastelito Racing / SFSOC Location: 0R!4ND0 Posts: 21,519 IWSTI Addict since: Dec 2004 Trader Rating: (7)	i still don't see the point. it isn't easily accesible for small changes (if neccessary) and is it really worth the extra money for 25% more? most companies give 20% more free, so technically we should only pay for the 5% increase in nitrogen which would mean we only have to 5% over free, which ends up being......ahhh screw it. it's pointless.

01-08-2007, 07:09 PM	#6
Web_Foot_STi Professional STI Driver Car: 04 Subaru WRX STi Posts: 412 IWSTI Addict since: Sep 2003 Trader Rating: (0)	It's not so much that Nitrogen doesn't abide by the gas laws and does not expand due to heat. Dry air would be fine too. The trick is to get DRY air. Unless a shop has a really nice dryer for their compressor there will be water in the air and H2O vapor expands and contracts a LOT with temperature swings.

01-10-2007, 01:44 PM	#8
06naSTI Grassroots STI Racer Car: 06 STI Location: FL Posts: 573 IWSTI Addict since: May 2006 Trader Rating: (0)	I heard and read good things about and just wanted to try it out. PSI does stay the same after a 45min highway drive if FL. I guess the main advantage is the lower temp. Plus it is a one time fee and everything else after that is free.