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I dont see an issue with SCAT 4.25 crank and 6.7 inch BBC rods with a custom piston at 4.00 for 428 cid.
However, it would be MUCH easier to find parts for the same setup .050 over and using Diamond stroker pistons for a std bore 390, for 438 cubes
It'd be tough to get the small bore to really breathe, but it'd pull like a freight train down low!
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