Thread: head Talk

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I think you'll be very disappointed with these heads on a 350. They would work well on a 434 SBC, but will be way down on velocity with only 350 inches suckin' on 'em. In my opinion, the best heads money can buy for a 350 would be the Airflow Research Street 180cc units. With 9.5:1 static compression ratio and the right cam, you can make 450+ hp and 470+ ft./lbs. of torque with 'em in a 355 package. Build the motor with a tight 0.035" to 0.045" squish and you can make that power on the street with pump gas and zero detonation. Use a Holley 0-4779 750 cfm carb, Comp Cams 12-432-8 Hyd Roller, Edelbrock Performer RPM Air Gap manifold and 1 5/8" headers with 2 1/2" pipes. Use Keith Black #KB193 hypereutectic pistons with the 65cc AFR's for a static compression ratio of 9.52:1

Just so you know, there are rules of thumb for figurin' out intake runner volume. Cubic inches times 0.50 for a good running street motor and cubic inches times 0.55 for a max effort motor.