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Gas ... Regular/Premium

This is a discussion on Gas ... Regular/Premium within the General Help forums, part of the LSx Technical Help Section category; i have an '88 Firebird and usually put Regular Unleaded in it, but yesterday i filled it with Premium. My ...

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    Junior Member lpff88's Avatar
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    Question 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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    Junior Member amoulds58's Avatar
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    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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    She Moderator KahanaReef's Avatar
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    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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    Veteran 0rion's Avatar
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    Quote Originally Posted by lpff88 View Post
    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?

    won't hurt anything except maybe your pocketbook.

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    Junior Member lpff88's Avatar
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    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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    Member Goldcuffs's Avatar
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    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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    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.
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    Veteran 0rion's Avatar
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    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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    She Moderator KahanaReef's Avatar
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    Quote Originally Posted by 0rion View Post
    the only thing that I can think of is the difference between regular and unleaded. The older muscle cars needed the regular gasoline.

    That was my thought as well... But, we did it kicking and screaming all the way.

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    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by 0rion View Post
    the only thing that I can think of is the difference between regular and unleaded. The older muscle cars needed the regular gasoline.
    but running regular gas (leaded) in a LS1 will kill you O2 sensors fast...

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    She Moderator KahanaReef's Avatar
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    Quote Originally Posted by Spaz View Post
    but running regular gas (leaded) in a LS1 will kill you O2 sensors fast...
    Not a problem since it is no longer available silly...

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    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by KahanaReef View Post
    Not a problem since it is no longer available silly...
    yeah it is...

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    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by Spaz View Post
    yeah it is...
    i could go out now and fill my car up with it... and it's exuberant price...

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    Quote Originally Posted by Spaz View Post
    yeah it is...
    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.)


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    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by KahanaReef View Post
    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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    Quote Originally Posted by Spaz View Post
    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...
    Like I said ... Silly


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    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by KahanaReef View Post
    Like I said ... Silly

    no better way to be...

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    Quote Originally Posted by Spaz View Post
    no better way to be...
    I wouldn't want you any other way my friend

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    i am going to design a car that runs on farts, then i will be cruising for free!!!

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    Quote Originally Posted by TransAm11973 View Post
    i am going to design a car that runs on farts, then i will be cruising for free!!!
    You and spaz both...

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