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#1
10-16-2007, 11:37 AM
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Pointless rant about regular vs premium fuel
I am going to say a little something about regular gas here.
Not directed to anyone on this site. I have friends to are all over me about driving a car that takes premium fuel. I am fairly lucky in that on an average week I go thru around a tank of gas. Now, on a full tank that would be $ 3.60 more than a tank of regular... I only put 14ish in it on fill ups but I will go from an empty tank. This means that it costs me $.51 a day to enjoy the smoother performance over regular unleaded. To me this is a VERY small premium to pay for driving my SVX at its fullest potential. If the SVX is like a lot of cars I have dealt with that require premium, it will drop a couple of MPG on regular. This means that it would use over a gallon more to go the same mileage it would go on premium. At todays prices that means you save less than $1 a tank running regular. I know... pointless rant out of nowhere... Jim
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1992 Dark Teal LS-L with 4.44 swap. NC Plate "EVIL I" *Dont Fear the GEAR* 1977 Ford Pinto baby blue with 79,000 miles 
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#2
10-16-2007, 11:53 AM
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I get better gas mileage on regular with the ECUtune, but I fully understand where you are coming from. If I had the money at all, I would be fixing up my car and driving it with premium and enjoying the ride, but I am not in the position to even fix the problems with mine, so if I can use regular without knock, I will use it.
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'92 LS-L, exhaust, intake, audio, ecu 1V4?, hyper ground kit. Next changes ... PAINT, fix engine problems, 4.44. (GONE) '97 Impreza Outback Sport, magnaflow muffler, cold air intake, Alpine Type S, MP3/iPod deck, NGK wires, etc.(GONE)
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#3
10-16-2007, 12:03 PM
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switch to regular about 6 weeks ago and blackie didn't even know the difference. i've been talked into continuing to use premium in greenie.
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Kenneth 1997 Subaru SVX LSi "Svetlana" #185 of 640 - 09/1996 - Polo Green Pearl - 34k miles 1992 Subaru SVX LS-L "Everett" #8738 - 01/1992 - Ebony Pearl - 139k miles - 5MT shifty  - Sold 07/31/2011  1992 Subaru SVX LS-L "Sven" #1599 - 05/1991 - Claret - 168k miles - Traded 05/11/2005 2023 Subaru Crosstrek Limited CVT - Crystal White Pearl - 2.8k miles 2021 Subaru Forester 2.5i Limited CVT - Horizon Blue Pearl - 17k miles 2023 Volkswagen Jetta S 6MT - Pure White - 2.6k miles 2020 Hyundai Ioniq Limited EV - Ceramic White - 30k miles
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#4
10-16-2007, 12:10 PM
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Quote:
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-Craig 94 LSi 5spd Barcelona Red, 14Xk miles. Full custom exhaust (Stebro cat-back, custom rest of the way forward) 8000K HID kit from Tom (SVXfiles), Energy Suspension front sway bar bushings, Non-Droopy visors, Race Concepts C/D + Dimpled Rotors, Axxis Ultimate pads,SS brake lines, Bontrager Works #009 (or something like that), stripped interior. (up next) Full cage, fuel cell, 327 swap
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#5
10-16-2007, 12:17 PM
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half super/half regular
90 octane for less than 89.
Quote:
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#6
10-16-2007, 12:43 PM
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I generally alternate between 87 and 93 octane (rarely getting down to a half-tank actual) and my cars run great. (I've forgotten factory spec, anyway... 91?) Recorded 27 MPG on a 260 mile trip last Sunday, roughly three-quarters Interstate and one-quarter stop-and-go, and loaded 9.61 gallons of plain ol' Marathon regular, the cheapest stuff in town, this morning. Using higher octane than necessary is like finding a couple of bucks on the ground beside the gas pump and not bothering to pick it up.
Why not just run 89 octane midrange? Umm, well... good question. I'm a creature of odd habits. dcb
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#7
10-16-2007, 12:50 PM
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90 octane costs less than 89
fill half 93 and half 87 at the same time=90 for less than 89
Quote:
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#8
10-16-2007, 12:51 PM
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85 octane FTW!
__________________
Kenneth 1997 Subaru SVX LSi "Svetlana" #185 of 640 - 09/1996 - Polo Green Pearl - 34k miles 1992 Subaru SVX LS-L "Everett" #8738 - 01/1992 - Ebony Pearl - 139k miles - 5MT shifty - Sold 07/31/2011 1992 Subaru SVX LS-L "Sven" #1599 - 05/1991 - Claret - 168k miles - Traded 05/11/2005 2023 Subaru Crosstrek Limited CVT - Crystal White Pearl - 2.8k miles 2021 Subaru Forester 2.5i Limited CVT - Horizon Blue Pearl - 17k miles 2023 Volkswagen Jetta S 6MT - Pure White - 2.6k miles 2020 Hyundai Ioniq Limited EV - Ceramic White - 30k miles
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#10
11-11-2007, 02:43 PM
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I've started driving slower
I have a 62 mile (round trip) commute each day and I set the cruise control around 67 MPH. I used to drive about 10 MPH faster but I have noticed some difference driving a little slower. I haven't calculated the difference but I do seem to get more miles between fill-ups.
My wife's car (Volvo with a T-5) is more forgiving with grades of fuel. We've run 87 in it for a while with no big loss in mileage.
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Paul 1992 LSl (Black Mica) 1965 Mustang G.T. Fastback 1990 Mustang G.T. Convertible 1986 1/2 Nissan 4x4 2004 Vovlo XC70 (wife's) Wonderful Wife Wonderful Son 2 Cats Incredibly blessed!
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