Is it safe to pull the motor by the Aluminum Intake?

I would say it is ok. I pulled my 440 out with a carb plate bolted to my aluminum high rise intake and it was fine and that motor was a lot heavier. I would wait for a few more responses and see if any other have had any issues with pulling it by the intake.
 
I used the manifold (EFI) plate from Summit and pulled my motor and put it back in with the tranny and all of the accessories connected. It hung there about about an hour and I was a little worried, but it held just fine.

Tim
 
I think pulling the engine/trans by the intake bolts is a risky idea. I have never did it but I would hate to pull the threads out or crack the intake with 500+lbs:shrug: Just me personally...
 
I've pulled many motors using the intake lift plates and never had a problem. They wouldn't sell them if they constantly pulled the threads out.. I would use the lift plates again and again until I see or hear of someone having a problem with them, and I don't see that happening any time soon, and if so it's probably going to be user error other then parts failure.