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Old 05-27-2017, 08:50 PM   #2
Warrens69GMC
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Join Date: Jan 2003
Location: Safford,AZ
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Re: mild 350 build what to expect?

is the performer for the vortec heads?

if not, these are your better bet-
http://www.ebay.com/itm/CHEVROLET-VO...sAAOSwD0lUkv5d

Read here-
http://www.superchevy.com/how-to/eng...-sledgehammer/
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