Mopar 350 Stroker

If I won't have any issues using a 360 crank, Chevrolet small block connecting rods, and those Ross pistons. I would assume that be a heck of a compression ratio and HP/torque rating in that 318 block. Having a Mopar 350 Stroker would be wicked cool to have.
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Like I said I didn't get a crankshaft with it, until I found out "if the guy did have a 360 crankshaft" in it, used the Chevrolet small block connecting rods, and those pistons. It would been a Mopar 350 stroker which I have never heard before?
MoPar used to sell rotating assembly parts to have their engine restroked to fit into the old class racing rule of a max of 355ci.

In my particular case, I needed bearing spacers for the small journal (340 sized) crank into the large journal (360) block.

The 360 was bored .030 for the forged flat tops and the crank is a 3.45 inch stroke for 352ci.
It was pretty common then to have a Mopar 350 stroker?
No. Slick workings can turn down a 360 cranks journals to fit the smaller journals of the other 3 engines. Over boring the 318 to whatever was needed or desired now requires ether a custom piston or the use of a flat top where valve notches need to be cut in for valve clearance. There are a lot of factors to what is needed for this operation.

With a 3.31 crank from 318 wouldn't handle up to 6500 rpm's I don't think.

I turned my cast crank 318 to 6800.