East-coast-supercharging ECS Stage 2 2003+ Fuel System Manuel d'utilisateur

ECS Stage II/Stage III Fuel System Instructions The ECS Stage II and Stage III fuel Systems are designed for late model Corvettes exceeding 750 RWHP.

Installing ECS Auxiliary Fuel Pick Up Assembly With the Brass wire tool provided, insert fuel backer plate into tank as shown. Suspend ba

Insert fuel puck up with fuel sock being careful not to hit backer plate. Slide backer plate over fuel pick up tube Pull fuel pick up tub

Reinsert wire tool into backer plate through return opening or one of the screw holes to support backer plate holding it against the back of the tank.

Install 90 deg 6AN fitting on one end of supplied braided return fuel line. (All ECS Systems are shipped unassembled. It is your responsibility to mak

Re Install Fuel Tank *(DIRECTIONS) Place the tank on the aluminum fuel tank shield and raise tank into vehicle. Install the fuel shield bolts loose

Reinstall EVAP pipe. Connect the EVAP crossover pipe (2) quick connect fitting at the left fuel tank. Lubricate the crossover tube to fuel tank co

Lubricate the crossover tube O-ring mating surfaces (1-4) with GM P/N 1051717 rubber lubricant. Important: • Note the T-shaped alignment feat

Rotate the crossover tube CPA retainer counterclockwise past the collar latching tang and push the tab (1) into the locked position. Important: If th

Connect the fuel feed pipe (4) at the rear of the left fuel tank. Connect the fuel pump jumper harness connector. Connect the fuel fill hose and rec

At the tank, Install 6an return line on to top fitting on the ECS Aux fuel Block. Install 8an 120deg fitting on the ECS Aux Fuel Block for fuel pu

Disconnect the fuel pump harness connector. Disconnect the fuel feed line at the rear of the left fuel tank. Cap the fuel pipes to prevent fuel sys

With a second length of 24 in 8 AN hose, we will assemble the line from the ECS auxiliary fuel block to the Pump inlet using a 120 degree fitting on e

the tank approximately 1 inch. Disengage the crossover tube connector position assurance (CPA) retainer by pulling the tab (1) outward and rotate.

Disconnect the crossover tube from the left fuel tank by pulling straight out. Important: Take care not to disturb the internal O-rings in the fuel

Cap the EVAP pipe (1, 3) to prevent system contamination. Remove the fuel tank strap mount bolts. Remove the fuel tank strap from the vehicle. Re

With the tank on a clean level surface, use a brass hammer or punch to remove the factory fuel pump retaining ring by gently taping on tabs to rotat

With pick tool, remove ground wire from plastic retainer on factory regulator. Next remove the plastic retaining ring that holds the FP regul

Remove Fuel Pressure regulator from FP assembly, using pliers if necessary. Transfer o-rings from factory FP regulator over to the ECS Fuel Pre

While the FP assembly is out of the tank, remove any excess fuel from the tank. Using a a file or wiz wheel with a Roll Lock sanding disk, prepare th