Jack, with that cam it should be a torque monster, however I believe the horses will fall below the 450 the heads were designed for. Still, it will be a great street engine for the chevelle.

Brian '71 Malibu>Reply-To: [EMAIL PROTECTED],The Chevelle Mailing List <[EMAIL PROTECTED]>
To: "Chevelle-list" <[EMAIL PROTECTED]>
Subject: [Chevelle-list] How much HP?
Date: Mon, 21 Jun 2004 13:55:10 -0600

Well we are building an 454 for my 66. The 454 is bored .060 with 10.5/1 comp
Roller rockers
Heads are the exact same as the 70 450hp specs. 224/188
Cam: .566 gross valve lift
Duration at 50 is 224/224
850 Dominator carb.
3 inch collectors to the mufflers.
Need any more info for your educated guess?
Thanks. Was wondering
Jack 66


Jack Thorpe
[EMAIL PROTECTED]

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