My GTX runs hot as well but I didn't use my airgrabber hood and run a 2" spacer.

I am waiting for my new distributer from Don at FBO and I hope that helps. Don thiought it would but obviously it didn't help you.

I just installed a high flow thermastat and that helped a lot. I also moved my fuel line from the stock route to a braided line from the feed to the fender and down to get it away from the block.

I think adding another fuel pump is just masking the problem, a new thermastat is like 10