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does it really make a big difference

This is a discussion on does it really make a big difference within the Firebird / WS6 forums, part of the Vehicle Specific category; I was driving my car the other day and filled up in a gas station that i usually dont use ...

  1. #1
    now greybat66
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    navy blue metalic
    1998 trans am conv

    does it really make a big difference

    I was driving my car the other day and filled up in a gas station that i usually dont use and after that the car felt a little sluggish.I was told at work that it makes a big difference, what do u guys and gals think? thank you.

  2. #2
    now greybat66
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    navy blue metalic
    1998 trans am conv

    Sorry the gas type and premuim of the gas.

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    Slow'er'Ass Mr. Luos's Avatar
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    Yes, yes it does.

    The computer had two different sets of timing tables. Varies depending on octane.

  4. #4
    now greybat66
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    navy blue metalic
    1998 trans am conv

    Thank you is there any kind of additive to improve octane boost that u would recommend, thank you.

  5. #5
    Slow'er'Ass Mr. Luos's Avatar
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    No.

    93 octane....octane booster is basicly worthless.

  6. #6
    now greybat66
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    navy blue metalic
    1998 trans am conv

    okay thank you

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    Member Mr Z's Avatar
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    Navy Blue Metallic
    1998 T/A A4

    Wait, are you about using something besides premium or about buying from cheaper gas stations as apposed to the more expensive (chevron/shell for instance)?

  8. #8
    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by Mr Z View Post
    Wait, are you about using something besides premium or about buying from cheaper gas stations as apposed to the more expensive (chevron/shell for instance)?
    X2. I'm confused.

  9. #9
    Slow'er'Ass Mr. Luos's Avatar
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    While it is fairly known....some simply are trying to save a little $$ by finding the cheapest fuel possible.

    Although...at no time should anyone put anything but premium into an LS1 powered car.

  10. #10
    Member Cronex's Avatar
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    I always get 93 octane for my TA. I don't recommend anyone to use anything lower. Though I do understand some people want to just use a lower grade because it is cheaper. But yes, the grade does indeed matter for performance without a doubt.

  11. #11
    Sarge for AAG Emperor hutch1999's Avatar
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    06 HD Softail
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    91 is as high as I can get in town...it sucks

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    Chief of his tribe! LSCyaL8R's Avatar
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    As fiercely loyal as some brand patrons are the reality is that there are very few places where these trucks fill up. For any given area there may be only one depot where trucks pick up fuel to deliver to the stations. It is the additives which make a brand and those don't get introduced to the gas until it is in the truck and on its way to being delivered. federal requirements also dictate the ammount and type of additives in the fuel so brand differences are small at best. Unless your local cheapo is putting water in the gas your certainly safe bargain hunting. In fact there are inspectors that go around checking pumps and gas for both accuracy of the pump and for content of the gas. So again for the most part cheaper is better in this case.

    Of course you gotta stick with the premium in your pride and joy. I'm used to it by now with the 4.6 DOHC.

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    Member speedracer25f's Avatar
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    You have to watch where you get gas. I manage an autoparts store and Ill get a rash of customers that all of a sudden their car started running badly. I ask them if they just filled up and where. The answer is always yes. Usually places like supermarkets give out the bad gas. Occasionally other stations get bad tanks. We have a shell here that gives out crappy gas. I only shop at sunoco and never had a bad tank.

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    Member egod's Avatar
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    sometimes if cash is tight i'll grab some 87, i know that its not great for performance but it won't cause any harm right? its not like it needs it for forced induction or anything. Just asking cause i'll spend the extra everytime if that's the case

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    I see Yello and I like it 02cetransam's Avatar
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    i can only get 91 octane here

  16. #16
    Member Cronex's Avatar
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    Quote Originally Posted by egod View Post
    sometimes if cash is tight i'll grab some 87, i know that its not great for performance but it won't cause any harm right? its not like it needs it for forced induction or anything. Just asking cause i'll spend the extra everytime if that's the case
    In them instances I wouldn't run it hard, race it or anything. Just cruise. But then again people run them with 87 im sure...they just don't admit it. So its up to you. But if you use it daily the long term effects can suck.

  17. #17
    O U 8 1 2 Spaz's Avatar
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    Quote Originally Posted by 02cetransam View Post
    i can only get 91 octane here
    it will run perfectly normal on 91...

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    O U 8 1 2 Spaz's Avatar
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    []D [] []V[] []D
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    Quote Originally Posted by purplebat66 View Post
    Thank you is there any kind of additive to improve octane boost that u would recommend, thank you.
    octane boosters only raise your octane by .1... so now instead of 93 octane you have 93.1...

  19. #19
    Member blackls1ta's Avatar
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    Quote Originally Posted by speedracer25f View Post
    You have to watch where you get gas. I manage an autoparts store and Ill get a rash of customers that all of a sudden their car started running badly. I ask them if they just filled up and where. The answer is always yes. Usually places like supermarkets give out the bad gas. Occasionally other stations get bad tanks. We have a shell here that gives out crappy gas. I only shop at sunoco and never had a bad tank.
    +2 on the sunoco 93 its the best

  20. #20
    Member Cronex's Avatar
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    +3 for Sunoco 93.

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