Originally Posted by Junkie
Same thing can be done with an LS motor cheaper, and no SBF I've ever owned got the same mileage as any LS I've owned. Which have been a LOT of both
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I will agree the ls gets better mileage, but apples to apples they cost about the same to build with similar hp results. I have built a bunch of both, my ls1 in the truck actually ended up costing more then My 347 in the mustang. I doubt he is much worried about fuel mileage if he wants a big hp car. It's is nice but doesn't always come with the territory. Different strokes man.
A short stoke 347 with the proper cam, heads, intake with a little boost from that monster blower will easily make 600-700 and drive smooth as can be.