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Myself · 03-05-2008, 02:55 AM

Speed pro flat-tops, and vortec heads will put you at exactly 9.5:1. Which is exactly where you want to be for street performance. And, with a fast burn head, you won't have to run premium gas!

03-05-2008, 02:55 AM	#4
Myself Registered User Join Date: Oct 2005 Location: Northern Arkansas Posts: 1,127	Re: Best pistons for vortec heads Speed pro flat-tops, and vortec heads will put you at exactly 9.5:1. Which is exactly where you want to be for street performance. And, with a fast burn head, you won't have to run premium gas!