MSD 8546 Chrysler 426,440 Pro-Billet Distributor Installation - Manual (Page 5)

INSTALLATION INSTRUCTIONS 5
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1. Remove the existing distributor cap
without disconnecting any of the
spark plug wires.
2. With the cap off, crank the engine
until the rotor is aimed at a fixed point
on the engine or firewall. Note this
position by making a mark (Figure
8).
3. Place the distributor cap back on
and note which plug wire the rotor is
pointing to. MARK THE SPARK PLUG
WIRES and remove the distributor
cap.
4. Disconnect the wiring from the
distributor.
5. Loosen the distributor hold down
clamp, slide the clamp out of the
way and lift the distributor out of the
engine.
6. Install the new O-ring and install the
new distributor making sure that
the rotor comes to rest pointing at
Figure 8 Marking the Rotor Location.
INSTALLING THE DISTRIBUTOR
the fixed mark. If the distributor will not fully seat with the rotor pointing to the marked position,
you may need to rotate the oil pump shaft until the rotor lines up and the distributor fully seats.
7. Position and tighten the hold down clamp onto the distributor.
8. Install the distributor cap and spark plug wires one at a time to ensure correct location. It is recommended
to use a drop of a blue loctite to the distributor cap hold down bolts.