Owners manual

INSTALLATION INSTRUCTIONS 3
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TIMING TIPS
• In many racing applications, the timing should be checked at a higher rpm to verify total advance.
In this case, a new mark must be made on the harmonic balancer representing your desired total
advance (i.e. 35° BTDC). This can be done using a timing tape or a degree wheel. After you've
made the mark, start the engine and increase the rpm high enough to where all the mechanical
advance is in. When your new mark lines up with the timing marks, you are at your selected total
timing.
• Make sure the power clips are securely attached to the battery or alternator. Do not connect these
to the coil.
• Keep the Timing Lights power cables away from all the spark plug wires.
• Make sure the number 1 cylinder wire is well separated from the other spark plug wires. This
minimizes the chance for stray signals causing inaccurate readings.
• Make sure the wires to the inductive pickup do not pass near any spark plug wires. Again, this will
help prevent false triggering of the light.
• Keep the pole pieces clean by wiping them with a cloth. Do not scrape or le the pole pieces. To
insure accurate readings, make sure the number 1 wire is widely separated from the other spark
plug wires.
• Always use the same timing light when tuning. This will keep your timing settings consistent.
Note: MSD offers a timing tape, PN 8985, that can be applied to the balancer to help set the total
timing.
TECH NOTES
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