Well it depend's on how many cubes you have.
If your running a 302 then I would go with the AFr 165 these heads are kick ***. A 205 will do no good for you anless your turnin 7500 rpm.
The small heads will give you lots of torque compared to the 205 which will make your car feel like a honda till 4000.
I have seen guys with the 165's and an rpm intake and E303 run 12.30's Na on daily drivers.
A bigger combo is not always better, its a well matched combo that will give you the sucess your looking for.
Good luck with whatever you decide
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93 coupe
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