[Keithc8]

This pushing the 428 block for sure. Not many of them are very good at .060 bore. You add that stroke and side load and you might be asking for trouble. Would probably be fine in most street applications.
The crank is a 4340 steel crankshaft with the 4.375 stroke and you would usea 6.700 rod with a custom piston. That big of intake valve would be pushing it a little and I do not feeel that it would help anything on that small of a bore. You could use the 2.19 valve in the Edelbrock head and it would work pretty good but I fel the 2.250 valve would be to shrouded.
The factory 428 blocks were good for about 600 HP and 6500 rpms and much over that and they would split down the middle of the number 2 or 4 mains if not both.
Good luck with any and all of your FE builds. Thanks, Keith