For street duty I only use Chevron or Texaco 93 octane I have done several engine tear downs and found clean looking engines with not a lot of carbon build up the additive (Techron) Chevron and Texaco gasoline’s use makes their gasoline a excellent cleaning gasoline. For track duty I use VP Racing Fuels Motorsport 100 (MS100) or 76 gasoline 100 octane both were found to be excellent fuels to use at the track. Nissan highly recommends using “top tier” gasoline’s in all Nissan and Infiniti models. Also I would hope everyone is using 91+ octane in their Z since over time engine damage is possible using lower octane fuels. Definitely be selective what fuels you are deciding to run in your Z.
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Mr. Clean
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