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OEM bracket attached with the 2 front exhaust
manifold bolts on some models, it may be necessary
to remove the power steering pump pulley. This
require the use of a special power steering pulley
puller, such as K-D 2897 or equivalent.
10. Disconnect spark plug wires and remove spark
plugs.
11. Remove O2 sensor, being careful not to rupture or
destroy the unit.
WARNING:
Do not clean this uni in any
cleaning solvent and do not rupture wire.
12. Disconnect temperature sensor wire.
13. Remove bolts and exhaust manifold from top side.
DISASSEMBLY - RIGHT SIDE
14. Disconnect A.I.R. injection tube from exhaust
manifold (#66672, #66673 only.
15. Disconnect spark plug wires and remove spark
plugs.
16. Remove bolts and exhaust manifold from top side.
17. Clean exhaust flange surfaces on cylinder heads at
this time.
ASSEMBLY - LEFT SIDE
1. Install T.E.S. flange gasket and one 3/8"-16 x 1" bolt,
lock washer, and flat washer at rearmost bolt hole
(leave bolt loose enough to accept T.E.S.).
2. Install left side T.E.S. manifold from top side.
3. Install all but the front two bolts and washers on left
side (do not tighten at this time).
4. Re-install rear power steering support bracket. Do
not tighten at this time.
5. Re-install accessory bracket which mounts to the
first two bolt holes on left side with 2-3/4" ferry
bolts, lock washers, and 1-1/2" spacers supplied.
Use the spacers only between the manifold flange
and the accessory bracket; use a 3/8" lockwasher
under th eahd of the ferry bolt.
6. Align all parts and tighten left side bolts and nuts at
this time.
7. Re-install spark plugs and re-connect wires on left
side.
8. Re-install temperature sensor wire to temperature
sensor.
Catalog #s 66662, 66672, 66663, 66673, 68012, & 68013
©2005 Edelbrock Corporation
9. Re-install O2 sensor. Use anti-seize on threads of
sensor and torque to 30 ft./lbs. Re-route O2 sensor
wire from wire loom to O2 sensor making sure all
wires are clear of exhaust system (O2 sensor
extension wire is included in kit).
ASSEMBLY - RIGHT SIDE
1. Install T.E.S. flange gasket and one 3/8"-16 x 1"
bolt, lock washer and flat washer at rearmost bolt
hole (leave bolt loose enough to accept T.E.S.).
2. Install right side T.E.S. manifold from top side.
3. Install remaining bolts, lock washers, and spacer
tube dipstick to clear exhaust flange.
4. Align all parts and tighten all right side bolts at this
time.
5. Re-install spark plugs and re-connect wires.
6. Remove A.I.R. check valves from original manifolds
and re-install them on T.E.S. With hose supplied in
kit, re-connect all A.I.R. injection hoses at this time
(#66672, & #66673 only).
7. Raise vehicle and support with jackstands.
CROSSOVER PIPE ASSEMBLY
1. Select the correct adapter tube for your catalytic
converter (small diameter for 5.0L and large
diameter for 5.L engine).
2. Carefully align and tap adapter tube into converter
using a piece of wood or a mallet to protect the end
of the adapter.
NOTE:
Be sure adapter goes all the way in,
approximately 2-1/2".
3. Install crossover pipe assembly on vehicle using four
3/8" x 2" bolts with lock washers and donut gaskets
supplied.
4. Install U-clamps and position for maximum ground
clearance, then tighten all nuts and bolts.
Page 2 of 3
Brochure #63-0447
Rev. 9/05 - DA/mc
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