"Don't pay extra for "Premium" fuel.
Hi Kevin,
In the past, my old girl has required 95 octane or even better, when doing club racing events, for a slight bit of extra punch, 98. Like many European cars, 91 leads to unhealthy knocking.
On your recommendation, I thought I would trial adding XSNANO to 91 octane and see, cautiously, if the engine coped.
So far, no problem, hasn't missed a beat and is performing well. Cheers,"
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