Super unleaded vs regular unleaded - FirebirdV6.com/CamaroV6.com Message Board

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  • #31
    Re: Super unleaded vs regular unleaded

    Originally posted by Leonard 3.8L View Post
    oh yea; thats mature :rolleyes:


    It's the intranetz!!!




    :)
    09 Nissan 370Z MB M6 Sports Package
    sigpic

    www.the370z.com

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    • #32
      Re: Super unleaded vs regular unleaded

      regular ftw!! lol I think it vaires at gas stations here, I've seen regular be 87 and 89 .....

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      • #33
        Re: Super unleaded vs regular unleaded

        I'm pretty sure 93 runs cleaner too.. like I've noticed there isn't as much sludge buildup as 87.. I don't know why, but that's how mine and my friends was.. Either way I have to run it cause I have advanced timing and it gets better MPG because of the tune and because it's 93.

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        • #34
          Re: Super unleaded vs regular unleaded

          Originally posted by xmetallicaxguitaristx View Post
          I'm pretty sure 93 runs cleaner too.. like I've noticed there isn't as much sludge buildup as 87.. I don't know why, but that's how mine and my friends was.. Either way I have to run it cause I have advanced timing and it gets better MPG because of the tune and because it's 93.
          probably because it burns slower

          the sower the burn, the more you are burning off and the less carbon buildup you will have

          if you are getting sludge in your combustion chambers/pistons you have more problems than the fuel you are using

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          • #35
            Re: Super unleaded vs regular unleaded

            i currently have two computers tuned for 87 and 93 octane, it make no difference if you put 93 oct on the 87 computer, it just makes you run richer and gives no power boost, however if you use the 93 computer with 93 oct u can feel a boost because the PCM is tuned with an advance in ignition, never run 87oct on a computer tuned for 93, do it and you will get lean codes, detonation and boooom.

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            • #36
              Re: Super unleaded vs regular unleaded

              its not really worth anything higher then 93 unless you bumped timing or have big mods.

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              • #37
                Re: Super unleaded vs regular unleaded

                Originally posted by vanbibber View Post
                he means the highest grade is 91.
                Pwn3d!!!!!!!!!! haha
                2001 Camaro 3.8 A4
                1991 3000GT VR4
                2001 Mitsubishi Eclipse GS

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                • #38
                  Re: Super unleaded vs regular unleaded

                  Well we have low compression so 87 would work just fine. But I found out that when I put 91 oct. you do tend to get a slight better mileage.

                  If your car is for DD and you don't romp on it then regular is just fine.

                  1998 Firebird . 1989 Firebird XS . 1986 Fiero GT

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                  • #39
                    Re: Super unleaded vs regular unleaded

                    Originally posted by vanbibber View Post
                    he means the highest grade is 91.
                    From what I heard that the 91 oct. in AZ and CA is equivalent to a 93 in other states, because they added something to the fuel for emission purpose and climate. That's why our gas is slightly more expensive than other states.

                    In 2003 both AZ and CA went from 92 down to 91, but it's not really a downgrade. That's just from what I heard, I could be wrong.

                    1998 Firebird . 1989 Firebird XS . 1986 Fiero GT

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                    • #40
                      Re: Super unleaded vs regular unleaded

                      93 here. But I do have a cam'd DD that's waiting on spray :)
                      ~97 3.8L V6 Camaro~
                      A few things

                      Only Member of Team Hooker?!?

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                      • #41
                        Re: Super unleaded vs regular unleaded

                        87 in my 2001 Firebird

                        94 in the TA,before I sold it.

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                        • #42
                          Re: Super unleaded vs regular unleaded

                          87 or 93 depends on how much i wanna beat on it.

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