Thread: Best premium gas (octane being equal)?
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Old 07-18-2010, 01:28 PM
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tmareina tmareina is offline
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Join Date: Feb 2006
Location: Quincy, CA
Cobra Make, Engine: Unique #9159 428 FE 614HP by FE Specialties
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I use Chevron, Shell or 76 in mine and have had no problems with detonation. 11.4 compression. Occassionally I'll add a couple of gal. of race gas to my tank or a bottle of Lucas octane boost. The brand gas is for the additives which most of the other brands don't have.

Tom
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