83873 Datasheet, PDF (4/8 Pages) Mallory performance club – MSD Pro-Billet Ready-to-Run Chrysler V8 Distributor

4
SELECTING THE ADVANCE STOP
BUSHING
Five different advance stop bushings are supplied
in the distributor kit. The distributor comes with a
Blue (21°) bushing already installed. If a different
amount of centrifugal advance is desired, follow the
next procedure to change the bushings. The chart
in Figure 5 gives the size and approximate degrees
for the corresponding bushings.
     
INSTALLATION INSTRUCTIONS
BUSHING SIZE
Red-Smallest
Silver
Green
Blue
Purple
Black-Largest
APPROXIMATE
CRANKSHAFT
DEGREES
28
25
23
21
19
18
Figure 5 Advance Stop Bushing Chart.
CHANGING THE ADVANCE STOP
BUSHINGS
1. Remove the distributor cap and rotor.
2. Remove the locknut and washer on the bottom
of the advance assembly (Figure 6).
3. Remove the bushing and install the new one.
Install the washer and locknut.
Figure 6 Changing the Advance Stop Bushing.
LOCKING OUT THE­CENTRIFUGAL
ADVANCE
1. Remove the cap and rotor.
2. Remove the advance springs, weights
and the advance stop bushing from the
advance assembly.
3. Remove the roll-pin from the shaft and slide the
retaining sleeve down (Figure 7).
4. Slide the shaft two inches out of the housing.
5. R o t a t e t h e s h a f t 1 8 0 ° a n d i n s e r t t h e
advance stop bushing pin into the small
hole on the advance plate (Figure 8).
6. Install the locknut and washer to the
advance stop bushing pin.
7. Install the retaining sleeve and roll-pin.
Figure 7 Removing the Retaining Sleeve.
Figure 8 Locking Out the Centrifugal Advance.
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