
©2014 Edelbrock LLC
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 27
181. Use a 13mm socket to attach the harness power wire
to the main positive terminal.
182. Use a 10mm socket to attach the ground wire to the
ground stud near the relay.
183. Reinstall the fender well fuse box bolt.
184. Install supplied 15/32” hose on brake booster and
secure fitting with a hose clamp supplied in Bag #2.
185. Install the stock O-ring port gaskets in the supercharger
manifold.
186. Install the supplied Manifold to EVAP Solenoid Hose on
the manifold fitting below the hub snout.
187. Clear engine valley of any hoses, wires, tools, etc.
Lay the intercooler-to-reservoir tank hose in the engine
bay, routed along the firewall behind the oil pressure
sensor, and connect it to the intercooler reservoir inlet,
securing the fitting with a hose clamp supplied in Bag #2.
188. (Refer to the Dry Sump Routing Guide on page 7 for
a clear depiction of the hose routing procedure described
below.) Attach the dry sump breather hose assembly to the
driver side valve cover fitting, then route the rest of the hose
along the firewall and over to the passenger side. Connect
the middle hose section to the passenger side valve cover
provision and the straight fitting to the rear dry sump tank
fitting. Cut the supplied dry sump hose near the rear dry
sump fitting and install the supplied tee adapter in line with
that hose. Route the short section of hose extending from
the tee adapter to the auxiliary tank fitting and attach it.
189. Remove the tape covering the intake ports. Since two
of the stock manifold bolt hole provisions in the cylinder
heads break into the crankcase and are not used with this
supercharger, install the two button head bolts supplied in
Bag #3 in the front passenger side and rear driver side bolt
holes to ensure a good seal. With the assistance of one
or more people, lift the supercharger assembly onto the
engine.
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