Header Install Concerns
but basically all im saying is if you havent done somthing like a clutch install, dropped a tranny, or installed headers before etc. then I wouldnt do it unless you had a friend help you who has done it before, as far as the K-member I had no clearance issues with mine, and my driverside header did hit that stupid little tab but a little muscle got the header past it...no really big problems I ran across just I HATE THE SPARK PLUG WIRES and it is taking wayyyy to long, but hopefully I get it done tomorrow or ill seriously go crazy and just blow the damn car up
I don't know where you get your weed from, but the 4.6 Ford motors are harder to change headers on than an F-body. Most shops that specialize in both will charge around $300 for F-body and 94-03 4.6's close to $500. The DOHC takes up so much room where you are working that it is 5X harder.
The Best V8 Stories One Small Block at Time


Plus I can post after the fact.