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Originally Posted by Jaxonalden
High octane fuel doesn't necessarily burn hotter, it's simply more stable than lower octane fuel. That's why high compression engines (ours) and forced induction engines (turbo charged and supercharged) need high octane.
P.S. Adam, damn nice car!!
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Hey thanks Jax, likewise!
Back to the original question, as most people have already said, if you only have access to 91 then mixing in some higher oct gas or octane booster may have some benefit, but going past 93 is just going to drain your wallet unless you have a custom tune, forced induction, or raised the compression.