It is easy to get caught up in the urban myths that anyone can do a minor over haul on any Mopar V8 motor and it will make gobs of power, even more than when new Not True You need to have the block bores checked for taper and out of roundness, all eight of them. If they have more than .006 taper or more than .003 out of round have it bored and honed Save your money, do it correctly and avoid a lot of disappointment, same thing on all the wear parts, heads, block, crank and cam, make sure thier in good shape before reusing them