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« on: March 06, 2013, 04:29:35 PM »
OK Jay these are my plans for the rebuild. I would like the heads to flow at least 300 at .650. Barry has stated that his heads will flow 289 with 2.20 valves, 3 angle valve job and some simple blending. I would like to open the top of the intake port and one of the sides with the short turn by .1 inch.
I will be increasing the engine displacement to 485 with a CR of 11 to 1. I am going to start off using a comp 308R because I bought it a while back and it is sitting on the shelf. I am adding a one inch carb spacer and will start off using a 850 mighty demon with down leg boosters.
I don't have access to a flow bench for the heads. Maybe I should look harder?