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Nov 29, 2008 | 02:25 AM

#11

454navyss

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TECH Junkie

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From: Providence Village, TX

Quote:

Originally Posted by cwalker2006

if you mill the stock heads that much. will it require you to use premium octane fuel?

i already have to use premium due to my tune

Nov 29, 2008 | 02:26 AM

#12

454navyss

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From: Providence Village, TX

so what would be the best way to go without spending a ton of money on aftermarket heads?

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