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>Was the 400 available from the factory in a 1972 Ranchero
>500?
I have the Ford showroom brochure right here, and it says that the options were 250 (inline six), 302 2V, 351 2V, 351 4V, 400 2V, and 429 4V. Several 351 motors were available, including the 351CJ, the 351C 2V, the 351C 4V (higher compression than the CJ!), and one or two versions of the 351W.
The 400 was rated 172 HP @4,000 RPM, and 298 ft/lbs @2,200 RPM. It had a compression ratio of 8.5:1 (I have also seen this reported as 8.4:1 but it really does not matter)...
The 400 in 72 was more torquey than the later years. They are a great engine to beef up! It doesn't take much, either.
The 351 Clevelands (Boss, 4V, and CJ) lost a lot of power in 1972, but it is a simple matter of reversing what the factory did to re-gain the horsepower.
The 351C 4V was rated at higher hp than the CJ. CJ had open chamber heads with less compression, and are more prone to ping. But, they had 4 bolt mains, which is a bonus!
Mark
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Ford started it; Ford will finish it!
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