I bought my Tank's LS tank for my 80 Camaro from Summit with free shipping.
I was reading a car mag the other day and saw that Holley offers drop in fuel pump/fuel filter for the stock Camaro tank. Don't know if they still offer it. Was about $375.
Check this out. I bought one for myself not too long ago. Then I bought a drop in 2015 Camaro fuel pump assembly. I just finished running all new -8AN supply and -6AN return ptfe lines. I am ready to put fuel in it to test but I am going to hold off until I can put in the new wire harness.