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07-02-2008, 01:59 PM
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#1 (permalink)
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 #7 Brian Hoyer
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Regular instead of Premium Gas?
So, just bought a new car and it says on the inside of the Gas Flap thing to only use premium.
Just curious if I really need to do that, and if I don't what the hell will happen?
Anyone know the answer....
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07-02-2008, 02:01 PM
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#2 (permalink)
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Sparty
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I would read the manual and find out. Cars requiring premium do so because it is a high combustion engine and needs the octane to operate efficiently (I think). What kind of car is it? Maybe someone could give you better information.
BTW - premium gas is only like $3-$4 more per fill-up. It is not that big of a difference, IMHO.
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07-02-2008, 02:01 PM
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#3 (permalink)
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#34 Korie Lucious
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Quote:
Originally Posted by CincySpartan
So, just bought a new car and it says on the inside of the Gas Flap thing to only use premium.
Just curious if I really need to do that, and if I don't what the hell will happen?
Anyone know the answer....
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You probably wouldn't notice a difference.
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07-02-2008, 02:02 PM
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#4 (permalink)
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#21 Otis Wiley
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What kind of car? If it is soem Euro lux it will need the higher octane for the proper combustion.
Most "normal" cars will run fine on regular gas they just wont produce the peak HP
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07-02-2008, 02:02 PM
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#5 (permalink)
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#53 Greg Jones
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Quote:
Originally Posted by CincySpartan
So, just bought a new car and it says on the inside of the Gas Flap thing to only use premium.
Just curious if I really need to do that, and if I don't what the hell will happen?
Anyone know the answer....
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Most gear heads I know say it doesn't really matter and shouldn't see it in the perfromance.
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07-02-2008, 02:02 PM
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#6 (permalink)
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#1 Kalin Lucas
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It depends on the car, but most will run okay on regular gas but the electronic system will likely ****** the timing to avoid knocking and as a result you'll get less power out of the motor.
I definitely wouldn't suggest running regular in it all the time, but a tank full every now and then isn't going to hurt anything.
Probably something you should've checked into before buying the car, eh?
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07-02-2008, 02:03 PM
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#7 (permalink)
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#8 Kirk Cousins
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I think my Explorer requires "Cheap ****"
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07-02-2008, 02:04 PM
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#8 (permalink)
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#21 Otis Wiley
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You could also take the car into a shop and they could tune the computer/chip to run on a lower octane
For the G8GT there is a shop near Detroit that is doing this as well as a new CAI install for $600 or so, and you end up with 40+ more hp on regular gas with even better mileage than stocl
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"The place was filled with every cutthroat and low-life from Bombay to Calcutta. It was worse than being in Detroit."
Quote:
Originally Posted by Hibernia
I prefer my women to be like Petway:
thin mohawk strip of hair, always riding the pine, and a complete failure to put up any defense.
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07-02-2008, 02:06 PM
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#9 (permalink)
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Mark Dantonio
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Quote:
Originally Posted by Diesel
Most gear heads I know say it doesn't really matter and shouldn't see it in the perfromance.
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Never disregard gasoline advice from someone named "Diesel".
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07-02-2008, 02:09 PM
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#10 (permalink)
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#7 Brian Hoyer
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Quote:
Originally Posted by SpartyGuy92
I would read the manual and find out. Cars requiring premium do so because it is a high combustion engine and needs the octane to operate efficiently (I think). What kind of car is it? Maybe someone could give you better information.
BTW - premium gas is only like $3-$4 more per fill-up. It is not that big of a difference, IMHO.
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Infiniti G35S
I know it's not that big of a difference, but it adds up.... out here in Cali premium is around $4.90 and regular is around $4.57
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07-02-2008, 02:11 PM
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#11 (permalink)
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#7 Brian Hoyer
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Quote:
Originally Posted by I shot Betty Crocker
Probably something you should've checked into before buying the car, eh?
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thanks....... I'll keep that in mind next time......
Good thing I have this board to remind me, cause I never would have thought of that.....
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07-02-2008, 02:13 PM
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#12 (permalink)
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Mark Dantonio
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Aren't there cars out there from the 70's that only run on "Regular" vs. "Unleaded"? What are they supposed to do?
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07-02-2008, 02:13 PM
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#13 (permalink)
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Quote:
Originally Posted by I shot Betty Crocker
It depends on the car, but most will run okay on regular gas but the electronic system will likely ****** the timing to avoid knocking and as a result you'll get less power out of the motor.
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Correct:
The Straight Dope: What's the difference between premium and regular gas?
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07-02-2008, 02:24 PM
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#14 (permalink)
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#7 Brian Hoyer
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Quote:
Originally Posted by SpartanHaas
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premium it is...... oh well....... 
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07-02-2008, 02:29 PM
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#15 (permalink)
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#53 Greg Jones
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Quote:
Originally Posted by Tomp
Never disregard gasoline advice from someone named "Diesel".
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07-02-2008, 02:43 PM
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#16 (permalink)
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#25 Blair White
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My car is the same way, but I bought it for its performance. For about $4.50 extra a week, I'll put premium in it so it runs the way it's supposed to.
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07-02-2008, 02:47 PM
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#17 (permalink)
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#2 Mark Dell
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When I went to visit a friend living in Lapeer you could buy 104 octane gasoline right at the pump - I was tempted but knew it would probably **** up my Saturn
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07-02-2008, 02:53 PM
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#18 (permalink)
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#6 Fred Smith
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I think you can get away with using mid grade
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07-02-2008, 02:57 PM
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#19 (permalink)
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Quote:
Originally Posted by stony1332
I think you can get away with using mid grade
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My owners manual says premium or else my engine will knock. I used to use mid grade which worked fine, but now with gas prices I've used regular and no adverse effects. Have heard that consumer reports did a test and the premium thing is BS.
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07-02-2008, 03:02 PM
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#20 (permalink)
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#53 Greg Jones
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Engines that require Premium do so because they are higher compression. Lower octane gas is actually MORE explosive, so it may burst before the spark plug fires. From what I've been told, most modern engines account for that, and the worst it will do is mess with the timing, which will be adjusted resulting in less efficiency and power.
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07-02-2008, 03:04 PM
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#21 (permalink)
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#53 Greg Jones
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Quote:
Originally Posted by #1
When I went to visit a friend living in Lapeer you could buy 104 octane gasoline right at the pump - I was tempted but knew it would probably **** up my Saturn |
Probably wouldn't hurt it, you just wouldn't run well off it. That's pretty much racing grade fuel.
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07-02-2008, 03:06 PM
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#22 (permalink)
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#1 Kalin Lucas
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Quote:
Originally Posted by pulling69
You could also take the car into a shop and they could tune the computer/chip to run on a lower octane
For the G8GT there is a shop near Detroit that is doing this as well as a new CAI install for $600 or so, and you end up with 40+ more hp on regular gas with even better mileage than stocl |
And kiss your warranty goodbye.
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