Stock 1972 340 intake and Thermoquad HP limits..?

ValiantRacing said

I have several friends with an iron intake and TQ running 10s

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Poked and stroked to its maximum!
That’s a F.A.S.T. Class or ......
If is amazing what can he done with stock parts but I also have to wonder how much faster can it be with the after market parts. Or what a dyno difference would indicate.