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dan76 · 09-12-2009, 10:28 AM

Go with the Vortecs............but depending on the year of your 305 you'll have to change the intake since the bolt patterns are different.

09-12-2009, 10:28 AM	#9
dan76 Registered User Join Date: Mar 2008 Location: Salt Lake City UT Posts: 441	Re: Vortec SBC Heads vs. Double Hump Go with the Vortecs............but depending on the year of your 305 you'll have to change the intake since the bolt patterns are different.