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Old 03-05-2008, 09:46 AM   #5
Irishpilot
Registered User
 
Join Date: Jul 2006
Location: Kunsan AB, South Korea
Posts: 187
Re: Small block 400 build up...anyone running that setup?

Longhorn man, I haven't updated my profile since getting back from the desert. I was in Korea 06-07, and I had a great time....too much soju and not enough sleep!

It seems as if all the mags are in favor of the vortech heads, but my question is are the ports designed for efficiency or for power? I'm pretty sure the stock iron vortechs are for efficiency but I think GM sells ported versions, which I need to find out more about.

Keep the suggestions coming!
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1971 C-10, 406ci, restoration begun!
406ci sb; zero decked, bored .030, edelbrock aluminum e-tec heads, edelbrock performer RPM intake, comp 268 cam, comp 1.6 pro-magnum roller rockers, MSD street fire HEI, MSD 8.5mm wires, Holley Street demon 770, Hedman LT headers. 10.6:1 compression, Air Ride Tech bags on all 4-corners.
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