I was told by an engine builder that if you put the main caps in the registers on a small block Chevy and put the bolts in loosely, then torqued the heads down, some of the caps would fall. Install and torque the intake manifold and when you're finished all the main caps would be hanging loose. I never tried it.
Do I believe hanging the block by four bolts on the back of the block could distort it.........yes I do.
