Yup. I had an Offenhauser Dual Port 360 on mine once upon a time. It worked quite well. You can hog out the bolt holes and make a later manifold fit but that's a pretty hillbilly fix. (I hate to admit it but I had this hillbilly fix on a car for a few years....)
Good luck in your search!
If the intake bolts are 5/16 you have the older head. Also check the casting numbers the older heads are 2465315 . A newer aftermarket intake will sit on ther but the bolts will not finish flush with the intake. they will be on an angle. Ive seen washers used. The proper way if you want to keep older head is to have the newer intake redrilled and spot faced. (or get a rare older manifold).how do i tell what intake will fit on my 65 273ci
i didn't know they were any different than a 318