DAVIS CT Series Manual Download

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CT Series Traction Control

www.moretraction.com

Table of Contents

Table of Contents ......................................................... 3

Introduction ................................................................... 6

How Does It Work? ........................................................ 7

Installation .................................................................... 9

HEI Users ................................................................... 10

Wiring .......................................................................... 10

Setup and Configuring ................................................ 11

Main Menu .................................................................. 12

Advanced Menu .......................................................... 14

RPM Settings ............................................................. 17

RPM Settings & Max Retard ................................... 19

Utilities ...................................................................... 20

Home Screen .............................................................. 22

Firmware Updating ....................................................... 23

Remote Display ............................................................. 24

Appendix A ..................................................................... 25

Pin Out ....................................................................... 25

Connections and Wiring ........................................... 26

Pass Through Hookup .............................................. 27

MSD® style Ignition (discrete) ............................... 28

MSD® HEI 83647 (discrete) .................................... 29

HEI 4 Pin Module (discrete) .................................... 30

MSD® Pro Mag® (discrete) ...................................... 31

Appendix B ..................................................................... 32

Weather Pack Plug Option ...................................... 32

3 Pin Weather Pack Plug ......................................... 32

4 Pin Weather Pack Plug ......................................... 33

Appendix c ..................................................................... 34

Molex® Nano-Fit® Connector ................................. 34

Disclaimer ..................................................................... 35

Summary of Contents for CT Series

Page 1: ...WWW MORETRACTION COM CT3 SL Shown CT Series Traction Control ...

Page 2: ...stered trademarks of their respective companies or mark holders Any components shown are for illustration or instructional purposes only Publication and redistribution of this manual over the Internet or in any other medium without prior written content is expressly forbidden In all cases this copyright notice must remain intact and unchanged Davis Technologies LLC PO Box 8250 Asheville NC 28814 8...

Page 3: ...arks of Davis Intellectual Property LLC MSD HVC and Pro Mag are registered trademarks of Autotronic Controls Corporation RacePak is a registered trademark of Competition Systems Inc FAST is a registered trademark of Fuel Air Spark Technology Crane Cams is a registered trademark of Crane Cams Bluetooth is a registered trade mark of Bluetooth Special Interest Group 05 19 ...

Page 4: ...7 RPM Settings Max Retard 19 Utilities 20 Home Screen 22 Firmware Updating 23 Remote Display 24 Appendix A 25 Pin Out 25 Connections and Wiring 26 Pass Through Hookup 27 MSD style Ignition discrete 28 MSD HEI 83647 discrete 29 HEI 4 Pin Module discrete 30 MSD Pro Mag discrete 31 Appendix B 32 Weather Pack Plug Option 32 3 Pin Weather Pack Plug 32 4 Pin Weather Pack Plug 33 Appendix c 34 Molex Nano...

Page 5: ...4 CT Series Traction Control www moretraction com Notes 37 Contact Information 38 ...

Page 6: ...5 CT Series Traction Control www moretraction com CT Series Units Note Specific features adjustment availability range of adjustment and adjustment increments may vary with model ...

Page 7: ... clutches etc the product s performance is based largely on your ability to use it properly Testing in controlled circumstances will help you determine the proper settings for your application and your situation Testing is very important since it will help you utilize this product to its full potential Please read all of the instructions and information thoroughly before attempting to install or u...

Page 8: ...T 1 periodically compare the rate of acceleration of the crankshaft to an Adjustable Fixed Rate AFR known as Threshold If the Engine RPM rate of change is in excess of that Threshold then a correction is made therefore reducing the slip A comparison is made every cylinder 1 4 of a turn of the crank shaft Basically this Patented system looks for spikes in RPM that are caused by wheel slip If these ...

Page 9: ...a second to keep the unit calibrated to exactly the right settings regardless of changing conditions The system learns the average rate of acceleration of the crankshaft and if there is a sudden spike in RPM above that rate then a correction is made This allows the system to adjust to the correct settings even if one corner has more grip than another or even one groove to another The user can adju...

Page 10: ... away from any sources of electrical noise or high heat It can be easily mounted with Velcro to allow for easy removal It is very important that the distributor pickup wires are kept away from the spark plug and coil leads As with all electronic devices proper wiring techniques and methods will result in the best performance Proper terminations wire routing and overall quality of work are required...

Page 11: ...avy gauge ground wire from the distributor body to each cylinder head BOLTED IN THE ENGINE IS NOT GOOD ENOUGH A gasket at the distributor base and any type of plated clamp prevents the coil from getting a sufficient ground for the ignition to function properly Wiring See Appendix A for specific connection details for various ignition systems ...

Page 12: ... Press Select to scroll through various parameters and Set to change a value Values are incremented in a circular fashion meaning they count up to the maximum allowed then the next press will start over at the minimum and increase with each press of the Set button A short press of the Select button will save the current setting and go back one screen A long press of the Select button will back out...

Page 13: ... The retard is progressive throughout the Correction Spread max retard varies with different types of ignitions Correction Spread 0 500 default 150 controls the rate at which the system reaches the maximum correction allowed Once a slip is detected if the RPM reaches the top of the correction spread then the correction will reach maximum The correction is linear so if the RPM spike only reaches 50...

Page 14: ...hod of dropping cylinders to cause large reductions in torque The cylinders will drop cylinders in a smooth pattern and not drop the same cylinder until all other cylinders have been dropped Valid SmartDrop values are 0 4 If set to the maximum value of 4 then 4 out of 8 cylinders will be dropped on a V8 A setting of 1 will drop 1 out of 8 2 will drop 2 out of 8 and 3 will drop 3 out of 8 Dropping ...

Page 15: ... correction a setting of 150 will return timing to normal over 1 10th of a second Self Learning on off default ON if installed can be disabled and the TC can be used in Non Self Learning Mode This may be useful on rough or bumpy tracks Display Timeout on off default ON disables the screen timeout This is useful during initial setup so it will not automatically return to the Main Menu if no buttons...

Page 16: ...de is only visible as a menu item on some hardware models See the table below MSD Distributor 6 Analog 6AL 6ALN 6T 6TN HVC Crane FAST 6425 Digital 6AL 6427 6CT Set Points Output to None HEI 4 Pin Module MSD 88362 Petronix D2000 DUI DynaMod GM Delco 19180771 D1906 Set Points Output to None Mode is only visible as a menu item on some models Note Davis Technologies is constantly adding compatibility ...

Page 17: ...ing When the button is released the timing will ramp back in at the Ramp In rate Manual Retard 0 20 default 0 Sets the amount of retard that will be removed from the ignition timing when the Manual In button is pressed Max SD 0 4 default 0 Max SD is the maximum amount of cylinders that will be dropped when SmartDrop is active SmartDrop will drop cylinders in a smooth pattern and not drop the same ...

Page 18: ...icated on the LED with a solid Green glow If a timing retard correction is active the LED flashes Red If the RPM is above the Max RPM or below the Minimum RPM the LED will glow solid Blue If the RPM drops below the Minimum RPM for a duration longer than the End Time setting the unit returns to Waiting mode until the Auto Start RPM is exceeded This is very useful to automatically turn the correctio...

Page 19: ...1000 9000 default 2000 sets the RPM below which the TC is not able to make a correction This prevents unwanted correction at low RPM even if slip is detected Minimum RPM 1000 9000 default 10 000 sets the RPM above which the TC is not able to make a correction This may be useful to stop the unit from making corrections at the end of the strait even if the tires are slipping End Time 0 10 default 3 ...

Page 20: ...Start 3000 Min RPM 2000 Max RPM 7000 Mid RPM 5000 Max Retard 15 2 4 6 8 10 12 14 16 18 1000 2000 Engine RPM Retard Amount Degrees RPM Settings Max Retard 20 3000 4000 5000 6000 8000 7000 0 Full Retard if Needed Minimum AutoStart Mid RPM Max RPM Example Settings No Retard No Retard ...

Page 21: ...firmware Timing Test will force a sweep of the timing retard to ensure proper installation and function of the unit The test will sweep from static timing to Max Retard setting over a few seconds and return to static when complete RPM Test can be used to check RPM and confirm proper hardware configuration as well as confirm RPM setting by monitoring the actual RPM and the LED indicator The LED wil...

Page 22: ...21 CT Series Traction Control www moretraction com Reset All can be used to restore all settings to factory settings You will need to contact Davis Technologies to help reconfigure your unit if reset ...

Page 23: ...f the current settings of a few hey parameters If in an adjustment screen and no buttons are pressed for a few seconds the LCD will return to the Home Screen The home screen will turn off completely after 15 seconds and turn on if a button is pressed Note Specific features adjustment availability range of adjustment and adjustment increments may vary with model ...

Page 24: ... possible functionality of the system These are typically installed using the USB connector and the supplied USB cable Instructions for this procedure will be included in the firmware update file located on the web site Users should log onto https moretraction com support occasionally to check for updates And make sure their device has the most recent firmware ...

Page 25: ...r to interface with the unit for setup and configuration The Remote Display can be useful for making adjustments if the unit is mounted in a hard to reach location as well as an interface to make adjustments and monitor operation during testing The Remote Display is also available with Bluetooth for wireless use with compatible CT Series units ...

Page 26: ...25 CT Series Traction Control www moretraction com Appendix A Pin Out ...

Page 27: ...al testing or for a novice driver who may need a larger range of control or possibly even cylinder dropping if sever slip is detected With some ignition systems this is the only way for the unit to install however in most cases a more discrete method is available see below for your particular system These more discrete methods should offer plenty of range of adjustment for any race driver most sys...

Page 28: ...nect pin 6 to the trigger negative mag wire from the distributor or crank trigger Connect pin 7 to the trigger positive mag wire from the distributor or crank trigger Connect pin 8 to the points input or the mag trigger positive wire The points input is usually white on most ignitions and the mag us usually the purple wire going into the ignition box Max Retard 35 deg Note The CT Series unit must ...

Page 29: ...ry Positive Connect pin 4 to 6 20v Battery Ground Connect pin 7 to positive distributor pickup wire This should be the purple wire coming out of the ignition box A toggle switch may be used if desired to turn the unit on off Max Retard 20 deg IMPORTANT THE POINTS OUTPUT MUST BE SET TO None IN THE ADVANCED MENU FOR ALL DISCRETE MODES ...

Page 30: ...0v Battery Positive Connect pin 4 to 6 20v Battery Ground Connect the pin 7 to positive distributor pickup wire This is the White wire connected to the HEI module under the cap A toggle switch may be used if desired to turn the unit on off Max Retard 20 deg NOTE Contact Davis Technologies for optional connection methods ...

Page 31: ...0v Battery Ground Connect pin 6 to negative pickup wire This should be the green wire connected to the HEI module under the cap Connect pin 7 to positive pickup wire This should be the white wire connected to the HEI module under the cap A toggle switch may be used if desired to turn the unit on off NOTE Contact Davis Technologies for optional connection methods ...

Page 32: ...he purple wire coming out of the ignition box A toggle switch may be used if desired to turn the unit on off Max Retard 20 deg A 9v battery can also be used to power the unit Use a quality battery such as an Energizer or Duracell brand for the best battery life approx 3 4 hours A 6 21v hobby battery may also be used for greatly extended battery life Note The unit draws about 80 mAh of current The ...

Page 33: ...llation These units also have the Molex Nano Fit plug located in the rear cover for use with optional add ons or future features 3 Pin Weather Pack Plug Connect the terminal marked A RED wire to Battery Positive Nano Fit Pin 1 Connect the terminal marked B Black wire to Battery Negative Nano Fit Pin 4 Connect the terminal marked C Purple or White wire to Positive distributor pickup wire Nano Fit P...

Page 34: ... wire to Battery Positive Nano Fit Pin 1 Connect the terminal marked B Black wire to Battery Negative Nano Fit Pin 4 Connect the terminal marked C Green wire to Negative distributor pickup wire Nano Fit Pin 6 Connect the terminal marked D Purple or White wire to Positive distributor pickup wire Nano Fit Pin 7 ...

Page 35: ...ed by the user along with spare pins A special tool is recommended for pin removal Molex 63824 4600 CT15 however a 025 round pin may work If pins are removed the lock tab will need to be bent back into place if reinstalled in the connector Connector is a Molex Nano Fit using pin number 1053002200 Extraction Tool and replacement pins can be obtained from Digi Key Extraction Tool WM11927 ND Pins WM1...

Page 36: ...ithout limitation the loss of life or limb or damages due to bodily or personal injury which may arise or result from the sale installation or use of any of its products and parts It is the user s responsibility to inspect and verify the dimensions specifications and performance of all products and parts as being appropriate for the use to which the user will put them prior to any actual installat...

Page 37: ... Disclaimer is held to be illegal invalid or unenforceable under present or future law such provision shall be fully severed from the Disclaimer and this Disclaimer shall be construed and enforced as if such illegal invalid or unenforceable provision never comprised a part hereof and the remaining provisions hereof shall remain in full force and effect and shall not be affected by the illegal inva...

Page 38: ...37 CT Series Traction Control www moretraction com Notes ...

Page 39: ...ol www moretraction com Contact Information Technical support and sales may be reached at Davis Technologies llc PO Box 8250 Asheville NC 28814 828 645 1505 828 645 1525 fax email support moretraction com web www MORETRACTION com ...

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