The gas station around the corner from me has 1 pump with 110octane.....for soem reason the only cars I have ever seen using it are V8 Mustangs :confused: 20 years ago my brother in law used to put that and only that in his dirt bike :D

Anyway I'm going to be getting a custom tune done soon and was wondering if I need to have a tank full of that stuff for my tuner to make me a map for it? If not I guess Ill just go to him with just a bit of 93 in teh tank and then drive over there and fill up with that and have him retune it for that. Does anyone know what kind of HP & TQ gains I should get with stock turbo and full TBE & uppipe vs 93 octane after a full tune....

A lot of tuners have race gas in stock.

I made 260whp 275wtq on a half tank of 91 (around 8 gallons) and 5 gallons C16 (117 octane), which comes out to 101 octane. The only mods are catless TBE, uppipe, and K&N drop in. This was on a dyno jet.

Here is a link to the thread with dyno sheet:
http://forums.nasioc.com/forums/showthread.php?t=933342

i wish i could get 110 octane for $4.30 a gallon :furious: :mad:

100 octane is like 6.30/gal here in socal =(

100 octane is like 6.30/gal here in socal =(


haha... try $7.10 a gallon at the 76 off of la paz and the 5.

Damn, its about 6-6.25 here....and I have to drive across town behind a building to get it...atleast its across the street from the Subaru dealership...which is where I am a lot of the time getting parts :)

Just buy Torco! $15 a can. One can makes 92 into 16 gallons makes something like 96-100 octane. I am not at my shop so I can't read the info off the can right now. But it DOES WORK!!!!!

PDX Tuning uses it all the time. I buy my 5 gallons at a time from them.

http://www.torco.com/

$5.50 for vp100 in AZ. used to be $5/gal :(

an STi tuned for straight 110 octane will yeild BIG numbers. enjoy

100 octane is like 6.30/gal here in socal =(

Nope, 5.99 on huntington drive in san marino!

fullerton is also 5.99, but even then its only 100oct....wheres 110? im guessing not in CA.

fullerton is also 5.99, but even then its only 100oct....wheres 110? im guessing not in CA.

there are a lot of places to get c16 (117 octane) in So Cal.

So why can you get 117 octane in cali, but not 93? Is it just me or are your legislators retarded?

In the UK, race fuel is typically $19 a gallon, you don't know you're born!

110 for 4.30? Where do you live?

4.50 for 110 oct. in MN (Holiday)

4.50 for 110 oct. in MN

and in georgia (shell)

110 for 3.99
WOOT!!!

Damn, I paid $9/gallon for c16 :(

Damn, I paid $9/gallon for c16 :(
Its about the same for C16 in MN also, acually is $10 a gallon :eek:

haha... try $7.10 a gallon at the 76 off of la paz and the 5.

is this at the pump?

The only problem with buying race fuel from a normal gas station is, they dont sell a ton of it, so it sits in a tank under the ground for who knows how long. Your HP shops usually go through it alot quicker and are pumped out of drums not big tanks that have alot of moisture in them.

However, one of the local stations here sell 110 for about that price, and if Im not going crazy on the boost I will run it, otherwise the car see's C16

$4.99 per gallon here at 2 stations the rest are $6.25. On my tunes I'm seeing a 70whp difference between 93 and 110.

Are you just changing fuel, not more boost?

You shouldn't see a 70whp difference from fuel only?

Are you just changing fuel, not more boost?

You shouldn't see a 70whp difference from fuel only?

Usually when people switch to race gas they are implying they have a "race map" that is tuned for higher octane fuel.

-alan

Usually when people switch to race gas they are implying they have a "race map" that is tuned for higher octane fuel.

-alan


I dont assume anything, just a question. He didn't state anything about more boost, said he changed fuel and made 70whp. Of course you'll make more power with more boost!!! I made over 100whp more on race fuel and more boost.

Since this thread is random as hell, 99RSTurbo, what is your cars setup?

i saw a huge gain with 110 mixed with 93 when i had my sti tuned, i paid 5.25 a gallon here in richmond va.

Since this thread is random as hell, 99RSTurbo, what is your cars setup?


Here is a mod document I created

http://www.indyhpmedia.com/index.php?dir=misc/&file=1999%20Subaru%20Impreza%202%20door.doc

I don't know where to find aything higher than 94 in my area....if I did, that would be all I would use.

Damn, thats some serious money invested...
I wish I had that kind of cash :)

I don't remember if I've asked you, but can you take some pics of your intake manifold, and brackets/pulley setup and send me them :)?!

A lot of tuners have race gas in stock.

I made 260whp 275wtq on a half tank of 91 (around 8 gallons) and 5 gallons C16 (117 octane), which comes out to 101 octane. The only mods are catless TBE, uppipe, and K&N drop in. This was on a dyno jet.



I was under the impression that when you add leaded fuel to unleaded, the lead acts on the unleaded, makes the math a little different. Wouldn't you be getting something closer to 105?

110 TurboBlue here is about $4.50 the last I checked, but I have not bought any since December.

I can't find anything above 93 anywhere here.

I was at the max on a conservative tune with 93 octane at 18psi. On 110 I'm running 23.8psi.

I was at the max on a conservative tune with 93 octane at 18psi. On 110 I'm running 23.8psi.


That makes sense then. It's the boost that raised the HP, the fuel just allowed for those boost numbers to be reached without detonation. You get roughly 10whp per pound of boost.

The way I was reading what you posted was, you changed fuel and gained 70whp.

anyways :banana:

Yeah, the next thing I need to do is get an external wastegate setup and put on a larger compressor wheel and go a little higher on the boost.

where are the socal guys getting 117? i know where the 100octane pumps are but im assuming you guys are talking about buying by the barrel. otherwise what pumps have 117?