Quote:
Originally Posted by cokefirst
I am restoring a 1956 F100 with a 272 and the original 2 bbl carburetor. These truck are geared low for power and not for speed. I wanted my truck to run down the highway at 65+ without spinning the engine at 3000 RPM. I found that putting on dual exhaust rather than the cross over tube made a world of difference. I changed my rear end to a 323 ratio using my Fordomatic transmission. I expect to be running at about 23-2500 at highway speeds. easier on fuel, and the engine both.
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Keep us up to date on how this works out, I'm sure there are a few others contemplating this as well.