gas question
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This is a discussion on gas question within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; do you HAVE to put 93 oct or rather prem. gas in the wrx? i mean gas prices are high ...

  1. #1
    Registered User aznburn210's Avatar
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    gas question

    do you HAVE to put 93 oct or rather prem. gas in the wrx? i mean gas prices are high rigth now and bound to be higher i was just wondering if you HAVE too put in the really good stuff?

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  3. #2
    Moderator Integra96's Avatar
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    I think technically the WRX can run on lower octane gas, but it will run poorly and may knock a bit if you drive aggressively. I think it's worth the extra $2.50 or so per tank to go with 91 or 93 octane fuel over 87 or 89.
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  4. #3
    Administrator Trainrex's Avatar
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    You need to run a minimum of 91 to avoid detonation

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    This quesiton always baffles me.....should i spare 10 bucks a month and drive my car easy and have it feel like a POS.....or should i use high test??
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  6. #5
    Registered User Darrell's Avatar
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    Quote Originally Posted by Trainrex
    You need to run a minimum of 91 to avoid detonation
    +1

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