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Maybe but the difference may not be noticeable. Nissan develops their maps for the ecu based on 91 octane for better performance and more importantly, the higher compression of this
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07-15-2012, 07:25 AM
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#35 (permalink) |
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A True Z Fanatic
Join Date: May 2009
Location: Halifax
Posts: 1,659
Drives: '13 CTS-V, '76 Vette
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Maybe but the difference may not be noticeable. Nissan develops their maps for the ecu based on 91 octane for better performance and more importantly, the higher compression of this engine requires higher octane. At the end of the day, 94 octane will in no way harm the engine and may improve performance slightly. So it comes down to paying the extra few bucks per tank for little or no noticeable gain in performance unless you have the ecu tuned for 94. The tune does more than just adjust timing it also maximizes the afr and in conjunction with the timing curve, resulting in noticeable performance gains. You can also tune for 91 octane and gain performance.
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