03-30-2016, 12:07 PM
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CC Member
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Join Date: Aug 2000
Location: Pinellas Park,
FL
Cobra Make, Engine: built the molds and body composite construction
Posts: 324
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Not Ranked
If the engine is a 1970, it has 2 bolt mains and a cast crank. 1971 Boss 351C was the engine of choice in this series with a solid lifter cam as all the others were hydraulics. I am not sure about the 4, but two sets of heads were available. The 2-barrel head and the 4-barrel head. You can tell as soon as you pull off a header. The ports on the four barrel heads are huge. The 2-barrel heads were actually better around town as the velocities were down in the big heads because of the size, except at high RPM. At high revs the big heads made all kinds of HP. I would get use to the car with the present setup before I jumped into a different engine. As I remember, the engine mounts are the same for the 351C and the 351W (427).
Bill K
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