If I recall correctly the BT's (Blue Thunder?) heads are considered race heads. I believe that is why they were not seen at the Engine Masters competition.
That would not be an apples to apples comparison as the CHI's are considered a street head, as are the Edelbrock's.
So Dennis is your engine builder saying that even after porting the Edelbrocks don't make the same powers as the CHI's?
When you quote him he says the CHI's have more port and valve area and flow potential than the Edelbrock product.
Would that not seem to indicate that they SHOULD be making more power than the Edelbrock product?
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