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Race Fuel

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BigWakeDogg

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Anyone tried putting race fuel in their challenger? Normally run with premium but thought the race fuel might give an extra boost.
 
You will not make any more power by increasing the octane on a stock engine. The increased power from race fuel comes from running higher compression that requires race fuel, not from the fuel itself.

Running higher octane than the engine needs will actually decrease the power as it actually has more resistance to burn.

Just run 87 in your boat as the manual calls for. The only ones that require 91 octane are the DI 951's.
 
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