This is the Weiand blower I've been looking at for ideas .......
This one is for a Chebbie - the small block Ford units driveshaft is offset to clear the front mount distributor. The mounting adapter for the blower to the intake manifold is subject to invention - needs to place the snout in the right spot to create the proper pulley alignment. One really nice feature is that the carb mount is directly on the body of the blower. I have seen pictures of one that had two sidedraft Webers fitted to get the profile down. The blower housing itself is about 1/2 to 2/3 the height of a GMC style unit.
The only way to get this thing on my T-bird is to leave the hood off - which is a time honored tradition with Ford roadsters anyway!!! But it might fit nice on a fifties sedan...........