Installation manual

Part #1574, 1575, 1576

Brochure #63-1574

Rev. 9/24/14 - QT

Edelbrock GM LS3 Supercharger System for

2010 and later Grand Sport Corvettes

Installation Instructions

Page 25

163. Use the supplied bit to drill a 15/64” hole in the

passenger side of the upper radiator shroud according to

the supplied template.

164. Use a 10mm socket and the four stock bolts to

reinstall the upper radiator shroud then attach the relay off

the supplied water pump wire harness to the upper radiator

shroud using the supplied body pin. Open and close the

hood to verify the relay clears the hood strut.

165. Route the intercooler water pump wire harness

extending from the relay down to the intercooler water

pump and plug in the connector.

166. Plug the male connector on the T-segment of the

harness into the EVAP solenoid then plug the factory EVAP

connector into the female connector on the T-segment.

167. Use a 10mm socket and the two stock bolts to

reinstall the radiator fan.

168. Attach the radiator fan electrical connector then push

the stock hoses back into the factory clips.

169. Install the short molded hose from the outlet of the

intercooler water pump to the heat exchanger inlet. Secure

the fittings with the supplied hose clamps.

170. Lower the heat exchanger hose assembly along the

driver side of the radiator shroud.