I think the old .471/.474 cam was around 228 @.050, worked really well in my 383 for what it was.

Fast I agree on the 271HDP it's a great stock replacement cam in a 440 magnum and a great hot street cam with a 383 4 speed.

I'm with you on the 108 but the shorter stroke motors seem to benefit more from the tighter spreads in that the torque comes in faster and harder (which 340's and 383's really tend to need). The boost in the mid range seems to more than compensate ET wise to what the tighter spread costs them in terms of top end power, at least that was the case with smaller stock type heads. And a lot of the modern aluminum heads flow well enough on the exhaust that they might be as well (or better) with street exhaust to just run a single pattern cam where they would have the near same effective overlap with a tighter LSA than a longer exhaust with a wider spread.