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Just curious. I'll be at Watkins Glen soon for an HPD event. I have an OFH and I'm running the 93 octane Stage II tune. They have gas at the track (100 octane unleaded) but it's outrageously priced. But I was wondering if putting 3-4 gallons in the tank to top off my normal 93 octane gas would help to ensure less knock during hard running? Anybody have any experience with this? Is it worth it? Will it make any difference?
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