My opinion is it all comes down to $$$. You can build a quick N/A 281 w/ cams, heads and all the bolt ons. At that point you've got $3,500 - $4,500 into the motor (heads - $1500, cams - $500, exhaust - $500, Misc (plenum, pullies, chip, etc - $1,000. That will get you in the neighborhood of 300...