Wouldn't we all Unfortunately dropping the cam in by itself isn't a good idea without the Holbay head and manifolds, the porting is different to the 'normal' ally head:I Pretty sure the pistons are different as well.
What's up with the cam you've got?
I've got a holbay head, and flat top pistons, but no camshaft. Finding a cam is proving difficult so I'll settle for any cam that fits at the minute. I'm going to build a torquey motor so even if I had to get one reground it wouldn't be so bad.