CPP Perches for an LS1 swap

[azsmokey]

Will these perches work for an LS1 swap into a 72 K10 (4WD) truck. I spoke with the folks at CPP twice and was given both "yes" and "no" answers. With that, I turn to the trusted resources at this board for a more direct answer. We have an LQ9 from a 2003 Silverado SS for our swap and want to keep the AC. The motor plates from S&P and Trans-dapt will not work due to a conflict with the AC bracket. We can not relocate the AC due to the Vortech blower with Intercooler. I would rather not give that up!

I would appreciate any advice from those that have done the swap. Links with pics would be great as well!!

Thanks!