Yes they can be changed without to much trouble. I did mine when I had the body off but it is not the same as the fuel lines. The are all most impossible to change with the body on.
By the way, I have the rear crossover line and the two brake lines that go back to the hoses if anybody needs them.
______________
Brian - NCM Lifetime Member
73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
3.55 gear BTO 200-4R trans,
Leather seats, Seatbelt Plus 3point seatbelts, Pioneer CD player
Magnaflow Exhuast System
Dewitt radiator and dual electric fans
Borgeson Steering box