Thread: Did GM make a non-vortec center bolt head?
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Old 05-18-2005, 09:08 PM   #16
tmcgrawlookalike
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Join Date: Jun 2004
Location: warr acres,oklahoma
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just remember the actual "vortec" head didn`t come out until `96.alot of people assume that the `87 up heads,w/center bolt v/covers were vortecs.
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