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406 Small Block Build

1642 Views 5 Replies 5 Participants Last post by  blue_69_malibu
Let me start out by thanking the many helpful posts I've read over the last year or so; I've only just become a member of this forum although I've refferenced this site hundreds of times during the course of my '69 restoration. Now that I'm a member I can personally thank those of you that help me directly! I've been through every component of this car with the exception of the engine. I'd love some insight and recommendations for my upcoming build. My block and heads are fresh out of the machine shop. 400 small block bored .030 over, Dart Iron Eagle Heads (72CC, 200CC Intake Runners). I plan on reusing my Lunati Flat Tappet Cam @ .540/.556. I'm looking for input as to a lower end rotating assembly. It seems Scat and Eagle are the preffered manufacturers; and I'd like an H beam, fully forged assembly. I'm looking for maximum compression to safely run on pump gas and the option for nitrous down the road. My understanding is that the "balanced" kits from both manufacturers are ready to install. Does anyone have any experience with these kits? Anyone with a similar build? On paper a -5cc domed piston kit puts me at 12:1 CR, is this too much to run on 93 octane? Thanks in advance for any insight!
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You may want to look into a custom ground camshaft. There is some guy on this website that grinds custom cams. i think it is Straubtechnologies. You may be able to run more static compression and have a cam ground to work with your compression on pump gas.
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