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A1337STI · 2006-06-20, 09:54 AM

the owners manual for my 2005 STI says you should use 93 or Higher octane. but it also says that above 1500 feet 91 is okay.

so basically all gas in the same state are the same, But does each state does have different additive requirements right ? IIRC California used to require MTBE , but in 1999 now stations that have MTBE have to be labeled as such. and IIRC Tahoe won't allow that in any gas , (so i'de guess all tahoe stations get a different blend, and/or only use the nevada side blend, but i'm guessing )

I do know they all have signs saying they are MTBE Free .

Should i try to only fill up on the NV side ? or fill up on the Cali side ? There's 2 stations on the cali side that have 1 nozzle per octane, where as on the NV side its 1 nozzle for all 3 octane ratings.

2006-06-20, 09:54 AM	#22
A1337STI EJ205 Join Date: Jan 2006 Location: Reno, NV Posts: 1,840 Car: Impreza and an Impreza Class: AS / CRS PerfStock "pedal on the right"	the owners manual for my 2005 STI says you should use 93 or Higher octane. but it also says that above 1500 feet 91 is okay. so basically all gas in the same state are the same, But does each state does have different additive requirements right ? IIRC California used to require MTBE , but in 1999 now stations that have MTBE have to be labeled as such. and IIRC Tahoe won't allow that in any gas , (so i'de guess all tahoe stations get a different blend, and/or only use the nevada side blend, but i'm guessing ) I do know they all have signs saying they are MTBE Free . Should i try to only fill up on the NV side ? or fill up on the Cali side ? There's 2 stations on the cali side that have 1 nozzle per octane, where as on the NV side its 1 nozzle for all 3 octane ratings. __________________ Fighting uphill battles, one bullet at a time!