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Thread: Gas ... Regular/Premium
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09-13-2008, 09:46 AM #1Junior Member
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Black- 1988 Firebird Formula V8
Gas ... Regular/Premium
i have an '88 Firebird and usually put Regular Unleaded in it, but yesterday i filled it with Premium. My dad said now my engine would be f*d, i thought it wouldn't make a difference, if anything run a bit better. Who's right?
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09-13-2008, 10:39 AM #2Junior Member
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White- 2000 Pontiac Trans Am
Premium is only needed when a vehicle is designed to run on it. Like the Corvette for example. You are not getting any more performance by using premium in your vehicle however; using premium will not harm your engine in any way.
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09-13-2008, 10:57 AM #3She Moderator
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Arctic White- 2000 Camaro Z28
Well, I've never heard that using premium would hurt any motor....
Maybe many years ago when there was leaded and unleaded... But, since all we have available today is unleaded, there is no problem.
It took my Chevelle a while to get used to unleaded...but, she had no choice
I use premium in my Camaro.
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09-13-2008, 12:16 PM #4Veteran
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98 Formula- 06 duramax
won't hurt anything except maybe your pocketbook.
Originally Posted by lpff88
i have an '88 Firebird and usually put Regular Unleaded in it, but yesterday i filled it with Premium. My dad said now my engine would be f*d, i thought it wouldn't make a difference, if anything run a bit better. Who's right?
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09-13-2008, 12:47 PM #5Junior Member
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Black- 1988 Firebird Formula V8
thanks you lot - i didnt think it was going to hurt it.... didnt even hurt my pocketbook either cuz i got it when the gas was about to go up and all the gas grades were the same prices... so i thought i'd treat her (so to speak! haha)
thanks again
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09-13-2008, 05:03 PM #6Member
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Silver- 2000 Trans Am
15 gal x $3.79= $56.85
15 gal x $3.99= $59.85
Not really much of a difference per fill up if you do the math.
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09-17-2008, 08:22 AM #7Member
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Red- 1998 Camaro SS
I've heard this tale from older gearheads, seems back in the day if you ran your car on 87 for years then switched to 92 there would be issues in the motor. I don’t see how but that’s what I've been told. The only thing I can think of is on carbed cars if you have the timing set for 92 octane and then run 87 with out knock sensors you could mess your engine up really good that way.
1998 Camaro SS Hard Coupe Bright Red #1593
Mods: Lots!!, still my daily driver except for winter
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1979 Corvette
Mods Lots!!, weekend cruiser
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09-17-2008, 09:03 AM #8Veteran
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98 Formula- 06 duramax
the only thing that I can think of is the difference between regular and unleaded. The older muscle cars needed the regular gasoline.
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09-17-2008, 09:05 AM #9She Moderator
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Arctic White- 2000 Camaro Z28
Originally Posted by 0rion
That was my thought as well...
But, we did it kicking and screaming all the way.
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09-17-2008, 09:18 AM #10O U 8 1 2
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[]D [] []V[] []D- 1999 trans am
Originally Posted by 0rion
but running regular gas (leaded) in a LS1 will kill you O2 sensors fast...
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09-17-2008, 09:22 AM #11She Moderator
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Arctic White- 2000 Camaro Z28
Not a problem since it is no longer available silly... Originally Posted by Spaz
but running regular gas (leaded) in a LS1 will kill you O2 sensors fast...
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09-17-2008, 09:27 AM #12O U 8 1 2
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[]D [] []V[] []D- 1999 trans am
yeah it is... Originally Posted by KahanaReef
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09-17-2008, 09:27 AM #13O U 8 1 2
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[]D [] []V[] []D- 1999 trans am
i could go out now and fill my car up with it... and it's exuberant price... Originally Posted by Spaz
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09-17-2008, 09:32 AM #14She Moderator
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Arctic White- 2000 Camaro Z28
Not at any gas station for regular fill up around here... Originally Posted by Spaz
Since 31 December 1995 it has been illegal to sell for use in on-road vehicles any gasoline which contains lead or lead additives. (But in 1999 leaded gasoline still is produced in the U.S. and is being used in nonroad vehicles-- primarily as aviation fuel, but also in farm machinery and race cars.)
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09-17-2008, 09:40 AM #15O U 8 1 2
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[]D [] []V[] []D- 1999 trans am
Originally Posted by KahanaReef
Not at any gas station for regular fill up around here...
Since 31 December 1995 it has been illegal to sell for use in on-road vehicles any gasoline which contains lead or lead additives. (But in 1999 leaded gasoline still is produced in the U.S. and is being used in nonroad vehicles-- primarily as aviation fuel, but also in farm machinery and race cars.)
i didn't mean at a gas station... penn ridge airport where my dad keeps his plane... i had to put some in my car from there once when my dumb ass ran out of gas leaving the parking lot there...
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09-17-2008, 09:43 AM #16She Moderator
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Arctic White- 2000 Camaro Z28
Like I said ... Silly Originally Posted by Spaz
i didn't mean at a gas station... penn ridge airport where my dad keeps his plane... i had to put some in my car from there once when my dumb ass ran out of gas leaving the parking lot there...
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09-17-2008, 09:50 AM #17O U 8 1 2
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[]D [] []V[] []D- 1999 trans am
Originally Posted by KahanaReef
Like I said ... Silly
no better way to be...
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09-17-2008, 09:53 AM #18She Moderator
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Arctic White- 2000 Camaro Z28
I wouldn't want you any other way my friend Originally Posted by Spaz
no better way to be... 
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09-17-2008, 11:53 AM #19Senior Member
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Black- 2000 Trans Am WS6
i am going to design a car that runs on farts, then i will be cruising for free!!!
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09-17-2008, 11:55 AM #20She Moderator
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Arctic White- 2000 Camaro Z28
You and spaz both... Originally Posted by TransAm11973
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