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X. Installing Spark Plugs (Not Included In 1585)
NOTE: The following steps only apply to Mustangs built
prior to December, '07. Later applications have the
proper heat range spark plug installed from the factory
and will not use the supplied plugs. These Mustangs
should skip ahead to 'Installing the Supercharger'.
Early model spark plugs that need to be replaced have a
ground strap that extends all the way around the
electrode, while late models have a standard 'L' shape.
Mustangs with the late model spark plug have a brown
spark plug boot, while early models had a black boot.
Early Model Plug
91. Use a 7mm socket to remove the bolt that secures
each ignition coil, then use a slight twisting motion to
remove the coils.
92. Use compressed air to clean out the spark plug well,
then remove the stock spark plugs with a 9/16" spark
plug socket.
93. Coat the threads of the Edelbrock supplied spark
plugs with anti-sieze, and torque them to 25 ft/lbs.
94. Apply a thin layer of dielectric grease to the inside of
the coil boots, then reinstall them onto the plugs.
95. Tighten the coil retaining bolts to 44 in/lbs.
©2011 Edelbrock LLC
Part #1580 & 1585
Edelbrock 4.6L Ford Supercharger System
for 2005 and later Mustang GTs
Installation Instructions
XI. Installing the Supercharger
96. Install the Edelbrock supplied heater hose on the
firewall connector, and lay it to the side for now.
97. Remove the supercharger assembly from its packing
container and install the o-ring seals, removed from the
stock manifold on early applications and supplied in the
#15805 Hardware Kit for 2009 applications, into the
grooves on the bottom of the runners. Be sure to line up
the tab on the o-rings with the notches provided.
98. Be sure that the engine bay and environs are clean
and free of debris, then remove the masking tape used to
protect the intake ports from contamination.
99. Install the o-ring gaskets removed from the stock
water crossover into the supplied crossover.
Page 20
Brochure #63-1580
Rev. 1/11 - AJ/mc
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