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SRT-8 Fuel requirement...

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5.9K views 34 replies 11 participants last post by  T1000  
89

I have run 89 octane on numerous occassions with no pinging, and no noticeable loss of performance. I usually run 91. I have run 108 at the track a couple of times, and I tried 91 with octane booster as well, neither gave me noticeable gains.

Get the SRT and run 89, you'll be fine.