"Race" gas
#11
RE: "Race" gas
You won't need more octane than pump premium (about 92 octane) unless you have some firebreathing type engine with a 10:1 or more compression ratio, or a high boost turbocharger.
My old ironhead has 9.5:1 compression ratio. She runs just fine on pump premium at about 92 octane.
My old ironhead has 9.5:1 compression ratio. She runs just fine on pump premium at about 92 octane.
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2010IRON883
Sportster Models
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09-26-2010 10:59 AM