There was a thread here from maybe 2-3 years ago where the build was some sort of 500” stroker with TF240 heads and a 6-bbl intake with a hyd roller cam designed to supposedly be ex manifold friendly......... and as I recall the power difference between the headers and manifolds was in the neighborhood of 90hp.
....and, if I remember correctly, the cam choice, although believed to be a good choice, really was not that great of a choice.
