Heads
I think the TFTW and the AFR 165's are both a good choice for what you are after. The AFR's are CNC ported the whole length of the runners from the factory. No pocket porting needed, but they cost $200 more. I chose the TFTW heads and did have them pocket ported for another $150. I also put in TrickFlow 1.7 RR's and custom lenth push rods as well as ARP head bolts.. The whole deal with gaskets,etc. was about $1850 I think.
The main reason I ended up choosing the TFTW heads is because they come with 2.02/160 valves and they have a raised valve cover rims allowing me to keep stock height valve covers even with the RR's. (another $150 saved)
You really don't want too big runners for a street driven 302 as the engine needs a certain amount of velocity in the runners to perform well at moderate rpms. The TFTW heads do work well for me. I agonized for weeks deciding between th TFTW and the AFR 165's. I doubt that I could tell the difference in perfomance with either choice.
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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