MSD 8353 Ford Front Mount Flathead Pro-Billet Distributor Installation - Manual (Page 3)

INSTALLATION INSTRUCTIONS 3
AUTOTRONIC CONTROLS CORPORATION • 1490 HENRY BRENNAN DR., EL PASO, TEXAS 79936 • (915) 857-5200 • FAX (915) 857-3344
CENTRIFUGAL ADVANCE CURVE
SELECTING THE ADVANCE
SPRINGS
The rate, or how quick the advance comes
in is determined by the type of springs
which are installed on the distributor. The
MSD distributors are equipped with two
Heavy Silver springs installed. These will
give you the slowest advance curve
possible (Figure 2). The parts kit contains
two additional sets of springs which can
be used to match the advance curve to
your particular application. Refer to the
Spring Combination Chart (Figure 3) for
combinations that can be achieved.
To change the springs, remove the cap
and rotor and use needlenose pliers to
remove the springs. Be sure the new
springs seat in the groove on the pin.
Figure 4 Advance Curves.
Figure 2 The Factory Equipped Curve.
Timing Curve From Factory
Figure 3 Spring Combination Chart.
SPRING COMBINATION RATE OF ADVANCE FIGURE 4
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