Oh dear God! 318 stroker

I was originally intending to do a "Medioker Stroker" 3.58 stroke 318 for a light truck towing combination with an eye towards fuel mileage via a 3.08 gear GM HD rear and an A-999. But, I've finagled my way into a 5.9 Magnum so I'm curious what I may be able to accomplish with it along the same lines. Anyone out there ever put a 3.31 inch crank in one and bore it to 4.07 before? :lol:
I got a 40 thou 360 with a bum crank thought about installing a 3.31 crank before.


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Mopar 340 crank to 360 block Main Bearing Spacers. These bearing spacers can be used to de-stroke an engine in order to fit into a certain class of racing. They allow for better choices of connecting rod lengths and piston designs. The spacers fit into a 360 engine block allowing 318/340 bearings, rear main seal, & cranks to be installed. Requires line honing for final sizing