Octane boost

The G-Series Tuning Forum is the place to discuss G35/G37 performance modifications and mechanical repair.
Bizzenn
Posts: 45
Joined: Sat Jun 24, 2017 4:42 am
Car: 2014 Q60 Journey
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Do the vQ37 engines benefit from 98-100 octane fuel without a tune?


james t kirk
Posts: 74
Joined: Mon Jun 25, 2007 2:49 pm

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Use high test fuel that is readily available at the pump.

Unless you've modified the engine by increasing the compression, all the octane boost in the world won't make a shred of difference to the performance of the car. Higher octane is required only to prevent premature ignition under compression.


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