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Settings Screen 

 

Display Name is what 
is shown when Gauge 
is in the Center.  
Abbreviation is what is 
used when Gauge is in 
the corner. 
 

Displays Module 
Firmware and App 
Version 
 

Pass Key not used for 
Flex Boost 
 

Can Set the Glow 
color around the 
Gauges on main tab 
 

A visible warning 
range can be set for 
each gauge here. 
 

The Color ranges for 
when this gauge is 
selected for the 
center can be defined 
here. 
 

Reset values 

Hit the Save button 
after any changes are 
made 
 

Can  turn  off  Gauge  
Display  on  dashboard 
if not used 
 
 

Changes  Gauge  Trim 
from silver to black 
 

How you enter the 
values in the boxes 
will be how the 
numbers are 
displayed on the 
Gauges.  For example, 
of you put 7.35 and 
29.4, the gauge will 
display 2 decimal 
points.  If, however 
you put 7.4 and 29.4 
the gauge will only 
display one decimal 
point, and if you put 7 
and 29 then the gauge 
will not display a 
decimal point.  You 
can also enter 0% and 
100% if you want it 
display the number as 
a percentage. 
 

Gauge scaling values 
see below for 
formatting rules. 

Select DC Output.  
This determines which 
value is output on the 
White wire.              
E85 (E0 = 0V, E85=5V), 
Gauge 1 or Gauge 2 

Turn on Tach input 
and set divider. 
 
Select which DC gauge 
to use for Over-Boost 
safety and set the 
level. 

 

Introduction 

The  Alternative  Performance  Engineering  Flex  Boost  is  an  advanced 
electrnoic boost controller, ethanol gauge and generic Bluetooth gauge 
all  in  one.    Flex  Boost  combines  all  of  the  features  of  our  Flex  Boost 
product with the addition of a programmable boost controller.  Boost can 
be configured based on Ethanol content or RPM and if you add a manifold 
pressure sensor you can configure an Over-Boost Fail safe.  The Flex Boost 
also has two generic 5V sensor inputs that can be used for additional 
sensors like a wideband or map sensor.  All of this data can be monitored 
and data-logged wirelessly via Bluetooth Low Energy on our Android or 
iOS application. 

The Flex Boost provides a raw ethanol sensor output with built in 10K 
pullup resistor to 5V that can be sent to external ECU.  There is also a 0V-
5V DC Output signal that can be configured to send out either one of the 
two 5V generic gauge inputs or can be configured to send the E85 content 
out as a DC voltage.  

 

Simple plug and play installation 

 

Bluetooth phone application available for iOS and Android. 

 

Boost Controller functionality is configurable via Bluetooth 

 

Can configure 4 separate profiles with custom frequency and duty cycle 

 

Has Flex Boost mode that allows the boost controller setting to change automatically 

based on ethanol content 

 

Has a tach input that can be used to configure boost settings by RPM 

 

Has an Over-Boost Safety feature that allows you to use one of the 5V sensor such as a 
wideband  or  boost  inputs  to  monitor  boost  and  will  automatically  kill  the  boost 

controller if the over-boost condition is met. 

 

Monitors Ethanol Content and Fuel Temperature 

 

Has two generic 5V inputs that can be used to convert any linear 5V sensor such as 

wideband or boost to a Bluetooth gauge. 

 

Gauge format is completely user configurable 

 

Has built in Fuel Calculator to figure out desired E85 to gas mix ratios when filling at 
the pump 

 

Has a raw ethanol sensor output with integrated pull-up resistor that can be sent to 

stand alone ECUs 

 

Has a DC 5V output that can be configured to send out Ethanol Level or the value of 
one of the two 5V sensors. 

 

Has data logging function 

 

Содержание Flex Boost

Страница 1: ...ntial damages or cost incurred due to the failure of this product The manufacturer reserves the rights to any modifications expansions attachments or improvements made by customer The use of the flex...

Страница 2: ...1 26...

Страница 3: ...e Health 5 What s Included 6 Module Passkey 7 Installation 8 Flex Sensor Installation 8 Flex Boost Solenoid Connections 8 Wiring Harness 10 Wiring Harness Connections 11 Gauge 1 2 Installation 12 iOS...

Страница 4: ...the Flex Boost may not be able to drive this signal all the way to ground In this event calibrate your low voltage point accordingly in your ECU For example if DC Out is configured for ethanol conten...

Страница 5: ...pressure sensor you can configure an Over Boost Fail safe The Flex Boost also has two generic 5V sensor inputs that can be used for additional sensors like a wideband or map sensor All of this data ca...

Страница 6: ...or excessive exhaust backpressure The Flex Boost cannot compensate for increases in boost pressure at high RPM due to inadequate waste gate flow capacity the turbo system must maintain a steady base b...

Страница 7: ...the Over Boost condition it will immediately turn off the Flex Boost Solenoid and display this message In order to turn your solenoid back on the Over Boost condition must no longer be valid and you...

Страница 8: ...Passkey SN APE FB XXXXX PK YYY APEFlexFuel com Contains TX FCC ID 2AB6YHM 1011V1 20 RPM Based Boost Control You can raise or lower the Boost Controller duty cycle across four separate configurable RP...

Страница 9: ...e will add a new profile You can name your profile here Frequency the solenoid will toggle at You can set up duty cycles for two different Fuel You can change lower ethanol limit value here Lower etha...

Страница 10: ...creen The Boost Controller screen shows you both of the DC gauge inputs and it shows you the current duty cycle being sent to the Flex Boost Solenoid Current value read by Gauge 2 input It is 0 0 to 5...

Страница 11: ...ging has a limited buffer so you should hit pause if you want to look at a specific event that just happened Note Even though the are not dispalyed on the graph you can still get the ethanol level and...

Страница 12: ...thanol sensor output that can be sent to an ECU Brown Wire Can input a tach signal or even a port injection fuel injection signal to let the Flex Boost calculate ROM These DC gauge inputs can be used...

Страница 13: ...red 12 Gauge 1 2 Installation Example APE Pressure Sensor 0 5V 14 5PSI 4 5V 30PSI 1 The Gauge 1 and Gauge 2 plugs are prewired to work with the APE Flex Fuel Pressure sensors We also include a plug s...

Страница 14: ...please allow 14 Flex Boost Features Ethanol and Fuel Temperature Gauges The Main dashboard screen displays the Ethanol content and fuel temperature as read from the ethanol content sensor It also has...

Страница 15: ...please allow 14 Flex Boost Features Ethanol and Fuel Temperature Gauges The Main dashboard screen displays the Ethanol content and fuel temperature as read from the ethanol content sensor It also has...

Страница 16: ...red 12 Gauge 1 2 Installation Example APE Pressure Sensor 0 5V 14 5PSI 4 5V 30PSI 1 The Gauge 1 and Gauge 2 plugs are prewired to work with the APE Flex Fuel Pressure sensors We also include a plug s...

Страница 17: ...thanol sensor output that can be sent to an ECU Brown Wire Can input a tach signal or even a port injection fuel injection signal to let the Flex Boost calculate ROM These DC gauge inputs can be used...

Страница 18: ...ging has a limited buffer so you should hit pause if you want to look at a specific event that just happened Note Even though the are not dispalyed on the graph you can still get the ethanol level and...

Страница 19: ...creen The Boost Controller screen shows you both of the DC gauge inputs and it shows you the current duty cycle being sent to the Flex Boost Solenoid Current value read by Gauge 2 input It is 0 0 to 5...

Страница 20: ...e will add a new profile You can name your profile here Frequency the solenoid will toggle at You can set up duty cycles for two different Fuel You can change lower ethanol limit value here Lower etha...

Страница 21: ...Passkey SN APE FB XXXXX PK YYY APEFlexFuel com Contains TX FCC ID 2AB6YHM 1011V1 20 RPM Based Boost Control You can raise or lower the Boost Controller duty cycle across four separate configurable RP...

Страница 22: ...the Over Boost condition it will immediately turn off the Flex Boost Solenoid and display this message In order to turn your solenoid back on the Over Boost condition must no longer be valid and you...

Страница 23: ...or excessive exhaust backpressure The Flex Boost cannot compensate for increases in boost pressure at high RPM due to inadequate waste gate flow capacity the turbo system must maintain a steady base b...

Страница 24: ...pressure sensor you can configure an Over Boost Fail safe The Flex Boost also has two generic 5V sensor inputs that can be used for additional sensors like a wideband or map sensor All of this data ca...

Страница 25: ...the Flex Boost may not be able to drive this signal all the way to ground In this event calibrate your low voltage point accordingly in your ECU For example if DC Out is configured for ethanol conten...

Страница 26: ...e Health 5 What s Included 6 Module Passkey 7 Installation 8 Flex Sensor Installation 8 Flex Boost Solenoid Connections 8 Wiring Harness 10 Wiring Harness Connections 11 Gauge 1 2 Installation 12 iOS...

Страница 27: ...1 26...

Страница 28: ...ntial damages or cost incurred due to the failure of this product The manufacturer reserves the rights to any modifications expansions attachments or improvements made by customer The use of the flex...

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