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Thanks for the comments, I am getting there with the tuning and it seems to get better and better every time I play with the tune.
The only down side is that my compression dropped from 9.6:1 to 9.2:1 after I milled them .020" If they were not milled I would have a CR of 9.0:1 which would be perfect for those running forced induction.
The 3500 heads also flow as well as ported 3400 heads.
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