32 Electronic Control System: Technical Manual for 6LY3 Series
3 inch Master Tachometer/Slave Speedometer (Dimensions in inches)
2 inch Minor Gauges (Dimensions in inches)
Panel Mounting Proximity: The minimum distances between gauges on a panel are: 3.90” center to
center for 3-inch to 3-inch; 3.25” center to center for 3-inch to 2-inch;
2.60” center to center for 2-inch to 2-inch.
Panel Thickness: 16 ga. to 1 in.; Keying available for panels 0.080 in. or greater. Spin
nut fastening available for panels 0.50 in. or less.
Roughness and Curvature: Panels will be fl at and smooth to within +/- 0.020 in. within any 3”
diameter.