Hooker Header install issue..

Still having this issue, I did switch out to the smaller/thinner engine isolator blocks and I am still having issues with the passenger side binding up. Any suggestions apart from buying new headers? Is it just the 360/727 combo isn't going to work with these headers? I just ordered the last of the parts for the engine (Distributor, water pump etc etc) and want to get this resolved so I can get this out for paint and get it finished!