Keith, according to tests done by Chevy High Performance, the heads are so efficient that the larger valves do not increase flow enough to warrant the work. I have forgotten which month it was in, but I will look for it.

Brian

From: "KW" <[EMAIL PROTECTED]>
Reply-To: The Chevelle Mailing List <Chevelle-list@chevelles.net>
To: "The Chevelle Mailing List" <Chevelle-list@chevelles.net>
Subject: [Chevelle-list] Vortec heads
Date: Thu, 2 Jun 2005 20:25:43 -0400

Planning out the small block for my '68 Malibu. I want to build a 383, and use Vortec heads. Everyone says that you can put 2.02 valves in these heads, but I haven't been able to find any hard numbers on flow or HP gains. Any ideas out there? Is it worth the time and money?
Thanks,
Keith



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