Not Ranked
I had a 400M in a 79 F-150. Was a good powerful engine for the truck, but I wouldn't run one in a car. You can build a better revving lighter motor in a small block, or a more powerful and probably cheaper motor in a big block. The C/M motors are kind of in the middle.
Also, the 400 motor does not have block coolant passages between the cylinders, so some people have cooling issues with them.
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Sal Mennella
CSX 4241, KMP 357 - sold and missed, CSX 4819 - cancelled, FFR 5132 - sold
See my car at CSXinfo.net here >> CSX 4241
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