An engine swap is in the plans for the Hudson this winter, going to pull out the SBC and thinkin' about replacing it with either a 324 or a 394 Olds. They are a little heavier and the car only weighs a touch over 2600 lbs. Anyone have any tips/tricks on putting either one of those motors in a coupe? Are they too heavy? Also have to take into consideration the lack of parts availability over the counter as I drive it a lot. Would also have to change the diff, I have a limited slip 87 Camaro diff in it now, that aint gonna cut it! What da ya think? The 324 with the 3 spd manual trans that would get changed over to an automatic. Or a 394 and auto trans similar to this. Going in to this.