drilled and tapped vortec heads - Team Camaro Tech
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post #1 of 3 (permalink) Old May 28th, 01, 05:58 PM Thread Starter
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just thought i would warn you all about the "drilled and tapped" vortec heads they advertise in the Pace ads in magazines. sure, an old intake will bolt up, but it won't seal the top of the intake port. i fought this with 2 intakes and 3 different kinds of gaskets. just get the cheaper regular vortec heads and the proper intake, and life is easy.i do however think that if you have a raised runner bow tie intake lying around, it will work fine. anybody else experience this?
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post #2 of 3 (permalink) Old May 28th, 01, 08:51 PM
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The exact reason I went with the regular vortecs and the performer rpm vortec intake! I had heard horror stories about the ports not sealing properly...and it also caused a pretty serious flow restriction.

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post #3 of 3 (permalink) Old May 29th, 01, 12:28 AM
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I'm using a set of drilled and tapped L31 Vortec heads right now on a 74 350 block 11.1 pistons, .500 lift hyd. cam and Edlebrock intake and I have no sealing problems at all. A local machine shop drilled and tapped them for me and welded up the other holes. Mine didn't come from Pace the set I have was bought from a local GM dealer.


Gary

[This message has been edited by 69Z28 (edited 05-29-2001).]
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