Finally fixed the Z.

[ZWILD1]

It started a few months back the Z just didn't feel as strong. I replaced plugs and fuel filter. Still no change so I pulled the plenum and began testing everything. Coils, wires, injectors tested tem all. Installed new injectors, about half were failing. Also installed new plug wires while I was in there. Pcv hose behind plenum had split so I replaced it too. Still just not right. So looked at fuel system pressure seemed to be alittle on the low side. About ten lbs off so after talking to a few friends and experts, I replaced both fuel pumps and the fuel socks. Still not right car just felt off . Only one part of fuel system left, and I did look for a crushed or damaged line. So I replace the regulator and now I have pressure like it should be and it feels like it used to. I sure am glad to be done finally. I really appreciated all the help and input from friends and guys on the net, Thank you all. I won't take it to a dealer to many bad experiences with those guys and vettes.