Edelbrock Qwikdata Shaft Speed Sensor Kit
Catalog # 91195 & 91196
INSTALLATION INSTRUCTIONS
• PLEASE study these instructions carefully before installing your new Edelbrock Qwikdata Shaft Speed Sensor Kit. If you have any
questions or problems, do not hesitate to contact our Technical Hotline at: 1-800-416-8628, from 7am-5pm, Monday through
Friday, Pacific Standard Time, or via e-mail at: Edelbrock@Edelbrock.com.
• DESCRIPTION
• Kit Contents:
The Edelbrock Qwikdata Shaft Speed Sensor Kit allows users
of the Qwikdata data aquisition system or other data
aquisition systems to mount up to 4 magnets in an aluminum
ring to the rear end pinion yoke on a Ford 9” housing.
Part #91195 will mount to most standard Ford 9” rear
housings with a 1.875” diameter pinion yoke. Part #91196
will fit 2.187” diameter, 35 spline yokes.
1 - Two-Piece Aluminum Mounting Ring
2 - 10-32 x 3/4” Cap Screws
4 - Magnets
1 - Sensor Switch Bracket
1 - Sensor Switch
Installation Procedure
inside of the ring should face the pinion U-joint. The gap on
each side of the ring should be even to ensure correct timing
on multiple magnet use.
• Note: Refer to Figure 1 below for reference on all steps.
1. Install the number of magnets you require for your data
aquisition system into the ring assembly.
4. Attach the Sensor Switch Bracket to a bolt or stud on the rear
end housing as shown in Figure 1. Attach Sensor Switch and
adjust gap to .060”-.100” for Qwikdata use, or to your data
aquisition system specification.
2. The magnets are to be seated against the shoulder (towards
the outside diameter of the ring), then glued with an adhesive
such as epoxy, RTV silicone, hot glue, etc. (Note: Some
computers are sensitive to the magnet’s north and south
poles. Install magnets per requirements for your data
aquisition system.)
• Note: Periodically, make sure the magnets and mounting ring
are secure.
• Caution: Excessive heat can cause the magnets to lose
3. Install the ring halves around the pinion coupler and tighten
power.
the 10-32 x 3/4” cap screws tightly. The beveled edge of the
Use a washer .060”-.080” thick to prevent
interference with the pinion support radius
Set gap at .060”-.100” for
Qwikdata use
OR
Set gap per data aquisition system
per manufacturer’s instructions
Tighten so that the
gaps are even
Beveled edge should
face Pinion U-Joint
Fill cavities with
epoxy or silicone
to secure magnets
Grip Diameter
Be sure the magnets are
seated against the outside
shoulder of the ring
Note: Some multi-magnet sensors are pole-sensitive
and must be installed in correct +/- sequence.
FIGURE 1
Edelbrock Corporation, 2700 California Street, Torrance, CA 90503
Tech Line: 800-416-8628; Office: 310-781-2222
Brochure No. 63-0192
Rev. 6/03
©2003 Edelbrock Corporation
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