Quote:
Originally Posted by shockin330i
Don't think my car likes exxon gas. Autotune dropped a bit for me. My "race map" is set to 14.5psi and it fell all the way down to 12! Put in some valero and its back up to about 14psi.
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Shell for the win!! Here is a lesser known fact; in many areas Shell and Walmart (Murphy USA) use the same refinery, Shell just adds their additives. Hence; no need to spend extra on gas, go to Walmart and you'll be OK!
