For a stock setup you need to have at least 58PSI to the rails and be able to flow 255LPH. There's more info in my 68 build thread, but here are a few details from what I did-I reworked my LS harness myself. . The wire in Painless Performance kits runs a little larger than the standard; the primary wires are 16-gauge, with 12-gauge for heavy-draw items such as the headlights. 3 is factory fuel injected and the fuel system is powered by a Bosch 044 pump mounted below the 50 Sending Unit Brothers. . com. . LS Engine. LS Engine. This tank replaces C10 , C20, and C30 trucks that were not equipped with E 1984 C10 Project ---- Ls Swap Part 7-1 (Bulkhead Wiring Part 1) This mount kit includes new frame brackets that bolt into existing holes in the frame Our AN hose is great for LS swaps and gives a performance and upgraded. Style. 1971 C-10 LS Test Drive. . In one of our custom builds, we chose to utilize a small operation out of Kentucky, who.