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81303 Datasheet, PDF (1/8 Pages) Mallory performance club – MSD 44 Amp Pro Mag Generator
MSD 44 Amp Pro Mag Generator
Clockwise Rotation - PN 8130, PN 81303, PN 81305
Counterclockwise Rotation – PN 8140, PN 81403, PN 81405
Parts Included In This Kit:
1 – 44 Amp Pro Mag Generator
1 – Timing Tape, PN 8126
MSD Pro Mag Information
  Congratulations on selecting the MSD Pro Mag – the most powerful and reliable magneto available!
The following information will answer some of the questions you may come across concerning the
Pro Mag. If you need more assistance, please contact our Customer Support Department at (915)
855-7123 or drop an email to msdforms@msdperformance.com.
INITIAL TIMING SETUP
  A traditional “Buzz Box” cannot be used to set the timing of a Pro Mag because there are no
mechanical points. The Pro Mag incorporates a high output magnetic pickup that ensures accurate
timing and never requires adjustment. Follow these steps to
set timing:
1. Position the crankshaft to your desired timing.
2. Position the generator in the engine with the rotor tip
Distributor Cap
Terminal
Rotor Tip
leading into the #1 terminal of the cap (Figure 1).
3. Start the engine and verify the timing with a quality timing
light such as MSD’s PN 8992 or  PN 8991. and adjust timing as
needed.
CONVENTIONAL TIMING VS. THE PRO MAG
  When converting from a “conventional” (non-MSD) mag-
neto to a Pro Mag, it may be necessary to review your tune up.
It is common for the ignition timing to accept a few degrees
of retard or an increase in fuel to prevent lean mixtures. Tak-
ing the time to test and tune with small incremental changes
will prove very beneficial.
Figure 1 Rotor Tip and Cap Alignment.
CAP AND ROTOR MAINTENANCE
  Due to the spark energy that MSD Pro Mags produce it is recommended to inspect the cap, rotor
and spark plug wires at closer intervals. The components that are supplied with the Pro Mags are
designed for strength and reliability but still require maintenance. Visually inspect for excessive wear
or carbon tracking. Cap and Rotors are available as a kit from your MSD Dealer:
Generator
Standard Chevy Generator, Pro Mag 12LT (4" cap)
Band Clamp Generators (4" cap)
Cap and
Rotor Kit
PN 7919 (Red) PN 79193 (Black)
  (12, 20 and 44 Amp Versions)
PN 8119
Pro-Cap: 5" Cap - PN 7408 (red) or PN 74083 (black), Rotor - PN 7423, Base - PN 7456 (red) or
     PN 74563 (black) and Rotor Terminal - PN 7411.
M S D  •  WWW.MSDPERFORMANCE.COM • (915) 855-7123 • FAX (915) 857-3344