Picked up 40 horsepower? This is not likely. Most of the heads have the ports in a standard location, including edelbrock and the Trick flow twisted wedge. Some heads have raised exhaust ports, but I would think the intake ports would more than likely match. Some of the heads and intakes have different size ports, like my edelbrock heads and my cobra intake(the cobra ports are a lot smaller), but, they are centered inside the larger edelbrock head port.
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