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I am totally new to the Ford side of the force and am currently soaking up as much info as I can. I am planning a rebuild on my 72 F100 with a 360 and am curious. Is there a certain casting # for replacement heads that flow better than others IE bigger exhaust valves or something? Can I find a set of better heads for a econo-performance build?
Scroll through the threads here and read anything that says "390.." and "360.." and especially "360 to 390..." A 360 is a 390 with a 352 crank. Or, an overbored 352, depends on who you ask.
The failing of the 360 is low compression. 390 crank and rods fix that problem. A little cam, a good intake, headers, 600 CFM carb--almost double the power, same mpg.
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