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Ad v ance – Mallory Ignition Mallory 4-STAGE RETARD CONTROL 678 User Manual

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www.mrgasket.com

MALLORY IS A DIVISION OF THE MR. GASKET PERFORMANCE GROUP
10601 MEMPHIS AVE. #12, CLEVELAND, OH 44144
216.688.8300

FAX 216.688.8306

FORM 1520

(REV. B) 09/03

Made in U.S.A.

Printed in U.S.A.

EXAMPLE 6: High Speed Advance Curve

(Modes 8 and 9).

CUT-IN (Mode 9)

This is the RPM where the timing

starts to advance. This example

shows a cut-in of 7.0 (7000 RPM).

SLOPE (Mode 8)

This is how much the timing advances for

every 1000 RPM. This example shows a

slope of 2.0 (2 degrees per 1000 RPM).

MAXIMUM ADVANCE (Mode A)

This example shows a maximum of 2

degrees advance.

8
6
4
2
0

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10k

8000