Thanks! The E-body battery tray is quite a bit different than my '67 B-body, but it still gives me a good look at the situation. Worst case.... I move the battery to the trunk & use that area for a remote dual oil filter setup
(Mo' money, Mo' money, Mo' money......)

At this rate, I'll never get the 451 built. but this is all stuf that needs to be done to support more motor anyway, right? Thanks again for the pics. They show me exactly what I thought would be the case with the mounting brackets vs. the core support. looks like it would fit better if the core support panels were flat. You seem to have made it work & look decent, though.