Quote:
Originally Posted by snowball
How about BC Shell 91 vs BC Chevron 91?
I still fill up Shell on a regular basis, for some reason my engines run noticeably smoother with it but haven't really noticed a difference in power.
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I'd say there isn't even a contest between these two.
I was feeling extra cheap 2 tanks ago, and put some Chevron 91 into my car instead of its usual Shell V-Power or Chevron 94 diet. Holy mackerel the engine started feeling soft and lathargic soon after the fill up, and while I can't hear any pinging, it definitely felt like the ECU was pulling timing.