Installation User guide

INSTALLATION INSTRUCTIONS 5
M S D W W W . M S D P E R F O R M A N C E . C O M ( 9 1 5 ) 8 5 7 - 5 2 0 0 F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4
OPTIONAL VACUUM ADVANCE LOCKOUT
If you do not want to use the vacuum advance canister 
oftheMSD Distributor, MSD has supplied the distributor 
with a lockout mechanism. The Lockout bolts in the 
position of thevacuum canister and will hold thepickup 
assembly firmly in place. The installation is easiest with 
the distributor out of the engine.
1.  Remove the  two Allen head screws that hold the 
advance canister (Figure 9).
2.  Remove  the snap  r ing that holds the magnetic 
pickup assembly in place. This is easy to do with 
a set of snap ring pliers by straddling one of  the 
reluctor paddles.
3.  Gently lift up on the mag pickup plate and slide the 
vacuum canister out.
4.  Install  the  Lockout  Plate  in  place  of  the  canister. 
Install the two retaining screws.
5.  Install the supplied screw and washer through the 
Lockout and tighten. It is important to make sure 
the  pickup plate is parallel with the housing of the 
distributor (Figure  10) . If  it  is  cocke d or  slanted, 
the paddles of the reluctor may contact the pickup. 
Checkthe clearancebyrotating thedistributor shaft. 
If nece ssary, use  the  supplied  shims  under the 
Lockout hold-down to correctly position the pickup 
plate.
Note: If   no  shims  were  required,  use one  beneath 
the washer of the Lock-Out Hold Down Screw.
6.  After checking the reluctor to pickup  clearance, 
tighten the Lockout retaining screws and install the 
snap ring. 
7.  Install  the dist ributor, rotor  and cap.   Check the 
timing when complete.
Note: Do not forget to plug the original vacuum 
advance hose.
Figure 10  Checking Installation of the Lockout Plate.
Figure 9 Removing the Vacuum Canister.
RELUCTOR
PADDLES
CANISTER
SCREWS
MAG PICK-UP
PLATE
SNAP
RING