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Originally posted by Kane:
Originally posted by elraido:
I know of one place that sells 114 out of a pump.
How much is that per gallon?
Oh, someone from Canada might know this one, but do they calculate the octane the same as they do here? Cause I got 91 up there over the weekend, but it didn't list the method used [(R+M)/2]. Plus it was expensive... paid $0.96CAD/Liter which I calculated out to be $2.99USD/Gallon... dang, I'm used to paying like $2.40/gal around here.
Yes it is R+M/2 it should have been listed somewhere on the pump.
And we have taxes to thank for the much higher cost of gas here.
My Cars
1999 Silver Frost SVT - 80,000km #2603/2760 Aug. 10, 1999.
1996 Mercury Mystique LS V6 MTX - retired @ 323,151km.
1995 Ford Contour V6 MTX-sold @ 214,000km
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Originally posted by powerx_32:
Thanks for replies.
Unfortunatelly i do not have SVT but 1998 Duratec V6 2.5
I had heard before on here that using the higher octane on engines not designed for it actually reduces your fuel economy and engine performance ... anyone wish to confirm/elaborate?
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Originally posted by 98 SE:
Originally posted by powerx_32:
Thanks for replies.
Unfortunatelly i do not have SVT but 1998 Duratec V6 2.5
I had heard before on here that using the higher octane on engines not designed for it actually reduces your fuel economy and engine performance ... anyone wish to confirm/elaborate?
I've heard the same thing as you, I learned/heard it in a class I took in college, it was a small engines class, so it could be true.
Jason G.
1997 Mercury Mystique GS ZETEC ATX
Born: 11/96
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Originally posted by DanburySE:
i use 93 all the time. my non SVT doesnt perform badly with the lower octane gases but my family's spare car (S10 Blazer) does. i feel better using the higher octane, plus around here Stop & Shop gives good deals on 93 if you have a card. 87 is fine for your carm but i prefer 93.
You would get much better gas milage with 87 octane gas. In addition, your car will run cooler and put out less emissions on 87. Unless you get a chip, you are throwing your money away. If you need the additives in the 93, get some in a bottle at the auto parts store.
-Auto Mak or-
-Experiment or
-Station Wagon or-
-Computeriz or-
I have a foot that is bigger than a foot.
SuperChipFOR SALE
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Originally posted by 98 SE:
Originally posted by powerx_32:
Thanks for replies.
Unfortunatelly i do not have SVT but 1998 Duratec V6 2.5
I had heard before on here that using the higher octane on engines not designed for it actually reduces your fuel economy and engine performance ... anyone wish to confirm/elaborate?
Thing I read earliar today...
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I Use Mobil 93 only for my CSVT.
~Alex
~Alex
Ex- SVT Driver627
MUST SELL!!!LOCAL:
Pre-98 MOLDED trunk
Polk db speakers
Corolla parts
LED Underbody Kit
PM
2000 Green CSVT gone on 2/17/06
2001 Toyota Corolla (SHE RUNS!!!)
1989 Mustang LX 5.0
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Originally posted by 98 SE:
Originally posted by powerx_32:
Thanks for replies.
Unfortunatelly i do not have SVT but 1998 Duratec V6 2.5
I had heard before on here that using the higher octane on engines not designed for it actually reduces your fuel economy and engine performance ... anyone wish to confirm/elaborate?
It makes sense. The higher octane gas has less heptane, wich is more volatile. It may have slighly more energy in it. Ideally, your car should be on the verge of pinging all the time. This is when the compression is so much that the fuel is almost at its flash point when the spark plug ignites it. The SVT engine has higher compression, and so requires higer octane, or else it may detonate the fuel prematurely - a bad thing. The regular Duratec, with its lower compression ratio, may benifit from the more volatile compunds in 89 octane gas.
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So is that article stating i shouldn't use 93 or 94 octane, only 91 since thats what our car states? I use 92-94 depends on where im at and how much i feel like paying. One time I filled up on 89 and used a bottle of f/I cleaner. Car ran awesome. Don't know why My friend only runs race gas in his 69 camaro... but it runs 9's and has 14 to 1 compression 
1998.5 Diamond White Pearl SVT (#4725)
custom exhaust/intake k&N/mod'ed y-pipe
slotted rotors/greenstuff pads/SS lines
cougar trans/FSVT shift tower/Torsen
16lb. flywheel
18" Velox VX-8's with some rubba bands
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Addicted CEG\'er
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SVT should use AT LEAST 91.. never lower... never..
anything higher than 94 is a waste, IMHO, unless you are HIGHLY modified, etc
Ray
'99 CSVT - Silver #222/276
In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog:
I like to wear dresses and use binoculars to watch grandmas across the street.
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Originally posted by Kane:
Originally posted by elraido:
I know of one place that sells 114 out of a pump.
How much is that per gallon?
Oh, someone from Canada might know this one, but do they calculate the octane the same as they do here? Cause I got 91 up there over the weekend, but it didn't list the method used [(R+M)/2]. Plus it was expensive... paid $0.96CAD/Liter which I calculated out to be $2.99USD/Gallon... dang, I'm used to paying like $2.40/gal around here.
You are lucky you got out of Canada fast because the price of gas just went up big time... Instead of your said $0.96Cad/L it's now $105.9/L!!! for 87!!
Oh, and yeah SVT's should use 91 and up.
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