Go water/meth it helps a lot with heat and shit gas. I have the same garbage gas as you in Yuma arizona
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Yeah I’ve looked into that and had it on other cars. It works wonders. But I really don’t want to be tuned for it and risk a system failure and cause engine damage.
Also it seems our meth entry point doesn’t actually net much octane boost since it’s almost all evaporated before it gets to the engine. But IAT control for real.