I use TFTW heads with Tri-Y's with no problems at all. Use 2.5" pipes with 2 or 3 chamber FlowMasters. Mine's good to 6000 RPM with good low end torque.
Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi.
O.B.C. #2
'66 coupe
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