i doubt that it will fit using the same engine mounts and they may also be too far back along the chasis rails so you'll most likely need a kit or make new brackets off the chassis, we usually use a bit of box/rectangle steel- weld it to the chassis or crossmember then just drill the hole in it for the mount bolt (that is if you are allowed tio weld to your chassis in your area- we arn't-it has to be welded to a crossmember which is bolted to the chassis).
Check that the trans fits the engine as ford change their bolt patterns all the time so do a visual and check the holes in the rear of the 302 compared with the trans bellhousing.
The vacuum statement is questionable, enignes with big cams can run low on vacuum but basically standard engines should be okay, however you can overcome low vacuum problems by running a vacuum canister or a alternator with a vacuum pump on it such as those found on diesel engines.
You will need a different rear trans mount but may be able to use the existing rear cross member but you'll probably have to move it either forward or backwards. You will probably need a shorter or longer driveshaft too.