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Thread: Changed fuel from 91 to 95 already tuned

  1. #1
    Potential Tuner
    Join Date
    Oct 2014
    Posts
    4

    Changed fuel from 91 to 95 already tuned!!

    Changed fuel from 91 to 95 .
    My car is already tuned on 91.
    Will it cause issues or it is ok ?
    Because you know the lockdown issues.
    My car is Commodore ve ss A6
    6.0
    Cammed with full bolts one.
    Your input are much appreciated.
    Last edited by the gaurd; 06-04-2020 at 02:15 PM.

  2. #2
    Tuner
    Join Date
    Mar 2010
    Location
    Goleta CA
    Posts
    122
    Without knowing your current spark curve or if the engine's fueling is correct, I'm just speculating but, if you did not have problems with knock retard when burning 91-oct fuel, you may be able to calibrate a more aggressive spark curve at high throttle openings or wide open throttle.
    Hib Halverson
    Just Another Tuner in Training.

  3. #3
    Advanced Tuner
    Join Date
    Feb 2015
    Location
    Perth, Australia
    Posts
    974
    Post tune and WOT pull log

  4. #4
    Potential Tuner
    Join Date
    Oct 2014
    Posts
    4
    Quote Originally Posted by Hib Halverson View Post
    Without knowing your current spark curve or if the engine's fueling is correct, I'm just speculating but, if you did not have problems with knock retard when burning 91-oct fuel, you may be able to calibrate a more aggressive spark curve at high throttle openings or wide open throttle.
    Thanks a lot ..