4
INSTALLATION INSTRUCTIONS
AUTOTRONIC CONTROLS CORPORATION
• 1490 HENRY BRENNAN DR., EL PASO, TEXAS 79936 • (915) 857-5200 • FAX (915) 857-3344
SPRING COMBINATION
RATE OF ADVANCE
GRAPH NO. (Page 3)
2- Heavy Silver
Slowest
A
1- Heavy Silver
B
1- Light Blue
1-Heavy Silver
C
1-Light Silver
2- Light Blue
D
1- Light Silver
E
1- Light Blue
2- Light Silver
FASTEST
F
Figure 3 Spring Combination Chart.
INSTALLING THE ADVANCE SPRINGS
1. Remove the distributor cap and rotor.
2. Using long needle nose pliers, remove the springs from the spring posts.
3. Install the new springs using the pliers and install the rotor and cap.
SELECTING THE ADVANCE STOP BUSHING
Three different advance stop bushings are supplied in the distributor kit. The
distributor comes with a Blue (10.5 ) bushing already installed. If a different amount
of centrifugal advance is desired, follow the next procedure to change the bushings.
The chart in Figure 4 gives the size and approximate degrees for the corresponding
bushings.
BUSHING SIZE
APPROXIMATE CRANKSHAFT
DEGREES
Red-Smallest
28
Silver
25
Blue
21
Black-Largest
18
Figure 4 Advance Stop Bushing Chart.
