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Racepak Shaft / Speed sensors and Accessories

Front wheel - other shaft/RPM Lencodrive Turbo Speed all speed sensors Stick Shift /Clutch Info

8 magnet split collars with 4x resolution over 2 magnet.

8 Mag collars ONLY work on V300SD, Sportsman, G2X/Pro and IQ3 Logger Dash. No V300's or LDX units.

Available in 1.875, 2.125 and 2.187 only.

Drive shaft speed is one of the most valuable data items in any data log. In Drag Racing, the DS speed will tell you about tire slip and converter efficiency.

Click to expand

800-CL-8M-2187 

RacePak 2.187 8 mag collar

$80.00

800-CL-8M-2125  

RacePak 2.125  8 mag DS collar

$80.00

800-CL-8M-1875  

RacePak 1.875 8 magnet DS collar

$80.00

How to measure for a Racepak Drive SHaft Collar

    

 

RacePak 2 magnet DS split collar

You must specify size.

In Stock sizes: 1.5, 1.812, 1.875, 2.125, 2.187

Special order sizes 27mm, 1.375, 1.625, 2.400, - allow 2 weeks for delivery,

$45.00

 

RacePak 2 magnet DS split collar

You must specify size.

,Special order sizes 2.500, 3.00, 3.187 3.250 3.50

$55.00

Click here for 18 lug

Click Here for MSI 4 magnet collars

Shaft Sensors

800-SS-MSC5 

3 wire shaft sensor for V300SD and Sportsman and MSD Grid. Hall Effect Speed sensor

$129

800-SS-PRO5 

2 wire Reed switch shaft sensor for V300

$88.00

800-SS-ZX3 

3 wire clutch sensor

$129

800-SS-UDX5
2 wire sensor for Logger Dash & Replay

$88

ARC 7761 DS spitter cable

800-CA-3PY 

Split DS signal for ARC module

$25

FAQ: what do I need for the MSD ARC module 7761? 3 things, the MSC5 sensor above, the L-bracket below and one of the 8 magnet collars above. Also, in the case of the Sportsman or IQ3Drag dash you must limit the number of data items sent from the Grid to not exceed the open channels in your recorder.

9" Ford L-bracket

800-MB-SS-5 

To mount the sensor on 9" Ford pinopn support

$19

Other "pulse" sensors - front wheel etc.

220-VP-FWHE5 

Front wheel or other rotating shaft with moving magnets (requires 800-SS-MSC5 sensor) 15' sensor wire.

$130

220-VP-FWHE3 

Front wheel or other rotating shaft with moving STEEL target (like back of wheel studs) - (requires 800-SS-MSC3 sensor) 15' sensor wire

$130

230-VM-RPMHE 

Generic rotating shaft with moving magnets (requires 800-SS-MSC5 sensor)

$130

220-VP-TACH-4 

Engine RPM module - will pick up tach siganl RPM

$130

RPM Sensors

 

Strange Ultra Case Info

 

 

click to expand

 

 

Most racers who call have 1.812 or 2.125 collar sizes.

Stick info - Candle Stick Install - Graph - V300SD clutch option

 

220-VP-CL-1 Input shaft kit

$260.00

       Weight
    1 lbs

1/4" magnet to epoxy or mount on a rotating shaft

800-MG-SM-25 

1/4" magnet

$8.95

Clutch Sensor in Jericho

Thanks to Jim Schaechter - Stock/SS racer from IL for these pictures and description.

The oil fill on the sie of the case was drilled larger and tapped for approx 1". Then a 1" stud was center drilled & tapped for the Racepak 3/8 sensor. Also the 1" stud was countersunk on the outside end to allow clearance for the moldend rubber where the wire goes into the sensor. A 3/8" jam nut on the inside for the sensor and a 1" jam nut on the outside complete installation.

The collar is custom made with 2 magnets.

Thanks to Dave Casey and Mike Sparago, New England Stock/SS raceers for these pictures and details.

This is the collar. Note the .030 magnet retention shoulder - just like a on a DS collar.

 

This is a slightly different location for the sensor and uses a Racepak drive shaft sensor rather that the clutch sensor. The case is drilled & tapped directly for 5/16 threads used on the RP DS sensor.

 

Gforce with Cummins sensor

Cummins 3034572 2 wire sensor in Gforce trans
 

 

Candle Stick Install

Clutch Slip Graph

V300 / V300SD clucth option details

  • Sensor (to be installed in the candlestick), magnet (to be installed in input shaft)
  • his sensor is to be plugged into the green/yello wire of the V300 harness
  • math channels are enabled
    1. % of slip
    2. engine to input shaft ratio
    3. trans to shaft ratio

 
Input shaft setup instructions for clutch cars   - click to enlarge

Lenco Drive Info

MONITORING CONVERTER SLIP IN LENCODRIVE EQUIPPED CARS
Racers using the Lencodrive automatic transmission have an added advantage of being able to monitor
the ‘slip ratio’ of their converter. Just as we do on clutch-equipped cars, where we monitor the input side
of the clutch (engine RPM) and compare it to the output side (transmission input shaft) to determine
clutch slip without having to calculate transmission gear ratios, we can now do the same on automatic
transmission cars that are using the Lencodrive transmission. The problem with trying to do this on
automatic transmissions before now was access to the output side of the converter.
All Lencodrive cases manufactured since early 2005 now have the provision for installing an RPM
sensor in the case. The 3/8-24 hole is located midway in the case at approximately the 3 o’clock position
(when viewed from the rear). The hole will by plugged with an Allen pipe plug. However, not all
Lencodrives have the magnet installed in the ring gear on the drum. To monitor your converter slip ratio
it will be necessary for you to have Lenco install the rare earth magnet that triggers the sensor. The cost
is less than $50.00. You can contact Lenco at 619-287-2500.
The upgrade to monitor converter slip with Racepak V-series data recorders is $260.00.

TURBO RPM

14" sensor wire - 10' on V-net

 

220-VP-TURBORPM

$299.00

 

 

 

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