Does anyone run Plus gas on their STi - Page 3

STI_Mike · 11-29-2007, 06:40 AM

91 octane FTW!

LONEWOLF · 06-08-2008, 07:05 PM

I have experimented with the regular 87-octane gas and using octane booster additives and the 91-octane mapping from my AP. The results, it worked just fine as a daily driving but of course performance is down just a little. I also find out that a bottle of octane booster that can treat up to 20 gallons work a lot better than the ones that treat just 15 gallons. So far I have done this 8 tanks of gas since I do travel twice a month from New Orleans LA to Killeen TX, a 1,124 miles round trip that require fill up twice one way. Next time I going to try the mid grade gas using the same additives to boost octane it should work better than the 87 octanes gas.

Subie 2.5 STI · 06-08-2008, 07:38 PM

always 91 here cus there is no 93 around here.

11-29-2007, 06:40 AM	#31
STI_Mike S204 Racer Car: 05 Aspen White STI Fav Mod: Defi Gauges Location: Laguna Niguel,Ca Posts: 2,920 Join Date: Jul 2006 Trader Rating: (4)	Re: Does anyone run Plus gas on their STi 91 octane FTW! This ad is not endorsed by this member. Please register or login to hide this ad.

06-08-2008, 07:05 PM	#32
LONEWOLF Junior STI Driver Car: 2006 STi Steel Gray Fav Mod: COBB AP V2.0 Stage 1 / Worx LW Pulley / K&N Air Filter / GlowShift Meters:Boost,Oil,FuelRatio Meters Location: Killeen, Texas. On Weekens / New Orleans LA. On WK Days Posts: 125 Join Date: May 2004 Trader Rating: (0)	Re: Does anyone run Plus gas on their STi I have experimented with the regular 87-octane gas and using octane booster additives and the 91-octane mapping from my AP. The results, it worked just fine as a daily driving but of course performance is down just a little. I also find out that a bottle of octane booster that can treat up to 20 gallons work a lot better than the ones that treat just 15 gallons. So far I have done this 8 tanks of gas since I do travel twice a month from New Orleans LA to Killeen TX, a 1,124 miles round trip that require fill up twice one way. Next time I going to try the mid grade gas using the same additives to boost octane it should work better than the 87 octanes gas.

06-08-2008, 07:38 PM	#33
Subie 2.5 STI Junior STI Driver Car: Blue 08 WRX STI Fav Mod: rallyarmor mud flaps for now Location: Southern California Posts: 185 Join Date: May 2008 Trader Rating: (0)	Re: Does anyone run Plus gas on their STi always 91 here cus there is no 93 around here. This ad is not endorsed by this member. Please register or login to hide this ad.