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Old 09-02-2005, 03:49 PM   #1
mamiyarz67
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Default how important is premium?

Mom got a brandy new b9 (06) and now that gas is skyrocketing, she asked me how important it is to always use premium, i think its fairly important, but since she doesnt have a turbo, and she does have a mom-foot, would she be able to get away with plus, or even reg or daily driving to and from work?
Shes not getting even near 50% throttle so maybe plus for those days she feels poor @ the pump??
any input would be much appricated
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Old 09-06-2005, 02:27 AM   #2
HB_Dad
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Default

I posted this reply in a similar thread in this forum but it applies here as well...

Until Bush gets some balls and stands up to the oil lobby about these BS gas prices, you can simply use 87 Octane and buy some octane boost at your local auto parts store. A bottle only costs a couple of bucks!
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Old 09-06-2005, 03:14 AM   #3
totald
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Yeah, but that couple of bucks will pay for the higher octane fuel also. I put 93 in my car and my wifes B9. For the B9, a 16.9 gallon tank if I am not mistaken, a tank full of 87 would be about $47.15 where a tank of 93 would be $50.53. A difference of $3.38. This is based on $.20 increase from the low octane to the high. I think it is well worth the extra couple of bucks to have your engine run the way it is supposed to.
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Old 09-08-2005, 10:11 PM   #4
only1agam
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i posted this another thread as well

i work at a subaru dealership i recommend that u use premium bc subaru of america will void the warranty if you get a pinging noise due to using lower octane fuel.. they simply wont help u because if u look at the gas lid it says premium fuel only
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Old 09-09-2005, 10:28 AM   #5
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Quote:
Originally Posted by only1agam
because if u look at the gas lid it says premium fuel only
For turbo engines, yes. For B9 or any other H-6 engine, no. It does not say Premium fuels only on gas lid or any other places. It says premium fuel recommended not 'only'. You're likely to lose quite a few hourse powers using regular.
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Old 09-09-2005, 06:10 PM   #6
whoosh
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89 worked fine in mine.
you feel a little less power but not by much.
your engine will adjust and use a little more fuel so you'll be back to premium by the time you figure this all out.

it's not worth the time or money with a fuel additive.
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Old 09-09-2005, 06:43 PM   #7
05WRXwagon
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Quote:
Originally Posted by HB_Dad
I posted this reply in a similar thread in this forum but it applies here as well...

Until Bush gets some balls and stands up to the oil lobby about these BS gas prices, you can simply use 87 Octane and buy some octane boost at your local auto parts store. A bottle only costs a couple of bucks!

Oil is a commodity and the price is determined by supply and demand like any commodity. Bush doesn't control Saudi Arabia or the price of oil, whether he uses any part of his anatomy or not. Do your part by conserving fuel and hope everyone else does the same.
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Old 09-10-2005, 03:22 AM   #8
refuse
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then why did oil companies make an all time hi profit. And where is Bush from? And how did the Bush family make most of their money? Bush is an oil man he has made a **** load off it. He may not be responsible for the hi prices, but im sure he isnt doing everything in his power to help it. Just my 2 cents i dont want to make this into a political argument
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Old 09-10-2005, 03:41 AM   #9
HB_Dad
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Quote:
Originally Posted by refuse
then why did oil companies make an all time hi profit. And where is Bush from? And how did the Bush family make most of their money? Bush is an oil man he has made a **** load off it. He may not be responsible for the hi prices, but im sure he isnt doing everything in his power to help it. Just my 2 cents i dont want to make this into a political argument

Yep, the password here is "kickbacks", but just keep that on the down low so we don't get bumped to the Political Playground...
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Old 09-23-2005, 11:26 AM   #10
Acostafan
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You may run 89 temporarily if 91/93 is not available. The ECU will pull timing to prevent detonation. It is NOT a good idea to do this for extended periods. Knock is a potentially disastrous problem, don't play roulette with your engine. Subaru doesn't require premium just for fun or because they are getting kickbacks from oil companies. FWIW, adding octane booster to low octane gas to save a couple bucks is a bad idea. There is 10 cents difference between midgrade and premium. The B9 has what, a 16 gallon tank? That's $1.60 extra you pay per tankful for insurance against damage and all the power you paid for. Let's say you put in 87, that's $3.20 you save per tank, but then add octane booster which can cost up to $10 a can. It doesn't make sense.
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