351 Cleveland Vs. 390

[jbracken]

I currently have a rebuilt 351 Cleveland in my '67 Fastback, with an estimated 430 horsepower. My friend has just recieved an extra 390 with a purchase of a truck and is willing to give it to me, in a rebuild needed state. My question is should I sell the 351 and use the money to rebuild this 390 and stick it in the car? Or am I better off with the Cleveland? Are the hp and torque specs close to the same if warmed up? Will I have a hard time sticking the 390 in? Part selection? Any input would be great.

Thanks

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