Swap 340 for magnum 360

txstang84 said

Granted I don't know the OP, but I *think* he might have that in mind...use the 5.9 to have some fun and build the 340 for later...?

EDIT: Besides, a 5.9 has lots of potential too. They'll respond favorably to purposeful and well thought out mods just like any engine.

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You got it. The 340 has 40k on it and is the original motor. The car sat out side for 30 something years. It was stuck when it got the car and freed it up gently and slowly with some mystry oil. It seems to be fine good oil pressure runs cool ect. But i would like to set it aside go through it and not risk blowing it up having fun. I can get a 360 cheap. What will work and what problems will I run in to?