what do you guys fill your 8s up with regular, premium, hydrogen lol?

 

exellent question...........

 

i've tried all 3, i use regular now (87) i dont notice a difference between 87,89 and 93

 

premium all the time. which is 91 here.

 

lol it's all preference lol

but Mazda recommends 91+ lol

I use 93 lol cuz it pwns lol

with 87 u risk detonation lol but it could also help gas mileage too lol

 

sometimes I really do think the experts are the so called "experts" and they say 91.

 

89 and im comfortable with that. Experts say 91 is "recommended" not "required". I just use 89 for my daily drives, but for spirited drives I use 92 which is what we have here in WA.

 

Just try all, see which is best for your car, judging from older threads you really cant draw a conclusion, some say 87, 89, 91, 93, 94, race gas......... and so on, each engine seem to be different =d
________
WELLBUTRIN ATTORNEY

 

I use Uranium 235.

 

^Thought I was the only one.

 

I use 93 here. I trieda tank of 87 and 89, and she just didnt run well. Ruff idle. Id never go back.

 

93 V-Power, some local stations try to sell 91 for the same price as 93, but I want that last 2 octane dammit. That's at least a half of hp. I believe were up to $2.98 today.

 

Premium+2 stroke synthetic

 

I use 93 Octane all the time.... Even though gas prices are rising, just to be on the safe side I follow what the book says.... In some cases they have seen engine knocking and performance loss.... who knows, i'm just being safe! But like everyone said just try everything

 

START OFFTOPIC:

Are you from Brunei in/near Malaysia? If so wow. Neat place. How much is the gas there?

END OFFT0PIC.

 

I use thermite, it burns very clean... but my engine bay gets kinda hot...

 

I assume you are not trying to be sarcastic here, I'm living in petrol paradise, it only cost $US 0.4 for a litre of 97 RON.

 

What burns faster, 93 or 87? My engine rattle is still there, I'm thinking about experimenting with 87 for a while to see if the pinging goes away at all.

 

87 burns faster, if you ping at 93 something is wrong

 

Yo Rap, where do u get ur 93?
Its only 91 around here, so I buy Octane Boosters to grade it up.

 

Indeed, and nobody can explain why.

 

Gas stations here give 87, 89 and 93.

 

in Cali, it 87, 89, 91 only! sad thing eh? in Japan I hear they can get 98 - 96 at any station.

 

Don't they put extra ethanol or something too? Seems to make gas mileage worse for rx8s in cali

 

True, i'm barely getting 180 with DSC on. with DSC off 240 on full tank.