Tools & Fabrication - Help with engine mounts for 403 olds to '79 Camaro

So me and my buddy pulled the blown 350 out of his new 79 Camaro and we tried to drop in a Oldsmobile 403 that came stock in his 79 Forumula Firebird.

Low and behold it appears the twins are not entirely the same. The engine brackets on the 403 dont line up with the kmember brackets on the 79 Camaro. We could take the kmember brackets off the formula but thats a major pita disasembling the suspension to get tbem outta the a-arms.

Anyone know of an adaptor designed for this swap? Or anyone familiar enough with them to know of a good way to have the 403 brackets fab'd to match up on the chevy?

The adapter designed for the swap would be the mounts in the `bird.

I don't know about the second gen, but on some full-framed cars, the mounts can be unbolted without pulling the spring & spindle; it's just intricate.