What you change or leave is basically a personal thing. A 71 C10 is a great truck to start with. Take a look at other trucks of the same era, see what you like, and put your own touch on it.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine