Thread: see that station w/high octane @ sunol
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Old 04-15-2007, 01:21 PM
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wtm442 wtm442 is offline
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Location: Squantum (part of Quincy), MA
Cobra Make, Engine: SPF1049 Titanium w/black stripes, 351W with Trick Flow Heads, Tremec 3550
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If your engine runs OK with 91 witout any pinging/knocking, then any higher octane rating is a waste of money.

Higher rated octane is not bad for engine and does not require any changes to the engine. But you will be wasting a lot of money for NOTHING.

My 351 has about 415 HP at flywheel and it runs great with 89 octane.
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