Instrumentation. Data.
Live Streaming. Mobile. Cloud.
Welcome to Winning.
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Merging of Technologies

Racepak’s Vantage CL1 represents a merging of
mobile, data and instrumentation technologies into
the most advanced, yet user friendly jr dragster
data system available.


Vantage CL1 Explained

We discuss the design of the CL1, which ultimately
helps you to lower your run times.

Vantage CL1 Explained

See More.
Win More.

The D3 app provides complete
instrumentation, gathers all sensor
information wirelessly from the CL1
data box AND uploads data to your
secure Racepak cloud account, utilizing
the phone’s cellular capabilities.


The Technology Behind it All

Mobile Devices

Mobile Technology Based

Modern mobile phones and tablets are highly advanced and very rugged electronic devices, engineered to withstand tremendous abuse by the average consumer. Racepak’s D3 app utilizes the extraordinary processing power, high resolution display and internal wireless capabilities of mobile devices, to deliver the most advanced junior dragster system on the market. A vehicle mounted D3 app equipped mobile phone functions as a wireless receiver for the CL1 data box sensors, data recorder, on-track instrumentation, data analysis device and when cellular activated, automatically uploads all data to the users Racepak cloud account for real time or post run outing data review.

Data Analysis Redefined

Data Analysis Redefined

Racepak’s D3 data analysis app represents an entirely new concept in data analysis. Designed from the ground up for use on tablets and mobile phones, no longer are users confined to traditional mouse, point and click single dimensional data. Instead data now comes to life with gaming inspired graphing capabilities using touch, pinch and swipe commands, over 2000 pre-loaded worldwide track maps, Google map overlays and high resolution graphing analysis allowing you to easily understand where vehicle performance gains can be found. Data is stored locally on the mobile phone device mounted on the vehicle, ready for immediate review, or available remotely with Racepak’s optional AIR Cloud technology.

Data on Demand

Data on Demand

The 21st century world is one of wireless connectivity, anytime anywhere. Racepak now brings this same connected convenience to the track day marketing. The use of a vehicle mounted, D3 equipped cellular enabled mobile phone provides the ability to stream data to your personal Racepak cloud account, which is then viewable from any internet connected D3 equipped mobile device, anywhere in the world. From your trackside crew to your engine builder located across the country, the ability to view live or previously recorded data provides a tremendous winning advantage.

Onboard Instrumentation

Onboard Instrumentation

The graphics capabilities of a modern mobile phone provides unparalleled information for the crew members. High resolution, easy to see information provides unparalleled viewing of Engine RPM, head temperature and exhaust temperature, while making those last second starting line adjustments.

CL1 Specs

CL1 Data Box

  • 8 total external sensor inputs through 4 connectors
  • 4 user programmable Analog
  • 4 user programmable Digital
  • Hz to 50 Hz sample rate per channel, user defined
  • 20 Hz GPS
  • Bluetooth
  • PWR connector for USB powered battery charger
  • CAN input for future expansion
  • GPS connector
  • 4 Rechargeable AA Batteries
  • Rubber Isolation Mounting Feet
  • Total weight: .5 lbs / 8 ounces
  • Dimensions: 3.25” x 3.00” x 1.625” / 8.22cm x 7.62cm x 4.12cm

Racepak Vantage CL1 Kit 20100-2003 Includes

  • CL1 Jr. Dragster Data Box
  • USB Charging cable
  • USB Charging Cable Adapter
  • GPS Antenna Extension
  • Engine RPM/Temp Harness – 18″ - Qty 2
  • Sensor Head Temp – Under Plug
  • Exhaust Gas Temperature Sensor
  • Jackshaft RPM Sensor
  • GPS Antenna
  • Rechargeable AA Battery – 4 pk
  • Universal Dash Mount Bracket
  • Jackshaft RPM Split Collar w/4 Magnets – 0.75″
  • * Not all parts shown in photo.

D3 App

Download from the Apple Store Download from the Google Play Store


The D3 app utilizes the familiar touch, swipe and pinch functions of mobile devices, providing the most advanced, yet user friendly data analysis experience available. In addition, data can be viewed anytime, anywhere a cellular connection is available.

Racepak Cloud

Imagine the convenience of remotely viewing recorded data from an internet connected mobile device, anytime, anywhere in the world. The D3 app and subscription cloud service makes this a reality.

Racepak’s exclusive, patent pending cloud technology is designed to provide safe, secure and seamless access to all your stored data, utilizing the latest in commercial, enterprise level remote server technology.

View Cloud Pricing
Available Tracks


Get up to 2 remote users and cloud storage of all your run data accessable anywhere with a wifi or celluar connection.

$9.99 Per month
billed monthly


Get cloud storage of all your run data accessable anywhere with a wifi or celluar connection for 1 year. Unlimited access for individual and teams.

$99.99 Per year
billed yearly
The New D3 for Karting App

D3 App

D3 app now available on the App Store
and Google Play for phones and tablets.

Download from the Apple Store Download from the Google Play Store

Race Dash Screen

Provides instrumentation, including Engine RPM, Head Temperature, Exhaust Temperature and more.

Race Dash Screen

Pit Dash Screen

Provides the ability to live view current data values of all sensors connected to the DL1 Data Box, in order to quickly verify status. Four user defined live view sensor inputs, Easly monitor Engine Temperature, Exhaust Temperature, Engine RPM, Wheel RPM, CL1 data.

Pit Dash Screen