Quick axle question (will it fit)?

[Bison]

Hi all,

I have a 64 GMC 910. It's a 4x4, leaf springs front and rear.

Drum brakes all around, I'd like to swap to discs up front. D44 axle, closed knuckle.

Front and rear axles from an 86 K5 Blazer have popped up. Corporate 10 bolt with open knuckles, 3.73 gears, and disc brakes up front.

Quite simply, will the front and rear axles mount up, or will I need to do big mods?

Thanks!