340 in 273 clothing...

So since I've got a 67 Dart, and a 340 engine. I'd like to dress it like a 273. I know the finned covers will bolt on if I find some, but I'm concerned about the air cleaner base? I'm currently running a 650 DP w/ a 14" drop base plate. I dont think a stock 273 base will work? If I ran a Edelbrock 650 AVS carb would it work?

Let me know what you guys are running? Post pics if you have 'em of your OG 273's or clones...

Also, anyone with finned covers or an air cleaner they like to sell? Just PM me...

Thanks!