Product Name:  
Gen V eALV40 Electronic Anti-Lag Valve  
Gen V eALV40  
Product Description:  
Product Number:  
TS-0552-16XX  
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V1.00 Rev C  
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Document Version:  
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IMPORTANT NOTES ON YOUR ANTI-LAG VALVE  
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Turbosmart accepts no responsibility whatsoever for incorrect installation of this product which is potentially hazardous and can cause serious  
engine damage or personal injury.  
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Antilag produces excessive heat in the exhaust system and may shorten the life of your exhaust manifold and turbo.  
Consult your local specialist before setting your setting your antilag valve, setting antilag levels beyond your engines capability may result in  
engine or turbo damage.  
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Use only high-quality fittings ensuring maximum sealing reliability. Optional Turbosmart fitting kit available.  
Turbosmart’s ALV valve is recommended for race applications only.  
It is important during the setup of the eGate, that some precautions are taken to ensure that the unit does not malfunction. Firstly, the output  
from the ECU should be limited to 15%. As well as an inline fuse (5A-10A) or breaker to protect the eGate. Once correct operation has been  
verified the fuse and limits can be removed.  
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Incorrectly wiring sensor to Chassis ground will cause calibration issues, Sensor Ground must be connected to the ECU Sensor ground. Do  
NOT connect ECU Grounds and Chassis Grounds together they must remain separate.  
Correctly setting up a sensible boost control strategy to ensure engine safety is highly recommended.  
RECOMMENDATIONS  
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Always disconnect motor wires before removing the top cap of the actuator  
Allow for adequate cool airflow around electronic actuator.  
DO NOT Mount the antilag valve so that the electronic actuator is less than 100mm from a heat source.  
DO NOT wrap the body of the antilag valve with exhaust wrap.  
Fitting your Gen V antilag valve may require fabrication or modification to your exhaust manifold. Turbosmart recommends that your  
antilag valve is fitted by an appropriately qualified technician.  
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Fitting the ALV to your turbocharger system introduces fresh air into the exhaust system post engine and therefore air fuel ratios will show as  
lean.  
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Turbosmart recommends that antilag settings are set using a dynamometer and not on public roads.  
Turbosmart recommends that a boost gauge be permanently fitted to the vehicle.  
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KIT CONTENTS  
Please check that the following items have been provided in your Gen V Anti lag valve kit.  
Part  
Description  
Turbosmart Gen V Anti lag valve  
Valve Seat  
Use  
1
Main unit  
2
Valve seat  
3
Inlet V-Band clamp  
Inlet Hose Adaptor  
Outlet V-Band clamp  
Collar tool  
Inlet V-band clamp  
Inlet Hose Adaptor  
Outlet V-band clamp  
Adjusting actuator location  
Turbosmart sticker  
O-ring seal for inlet  
4
5
6
7
Turbosmart Sticker  
Inlet O ring  
8
1
3
8
4
6
Important Note: The outlet weld  
flange is sold separately, purchase  
accordingly, see page 6  
5
6
2
1
CONTENTS  
KIT CONTENTS...............................................................................................................................1  
TOOLS REQUIRED.........................................................................................................................3  
SUGGESTED LUBRICANTS AND SEALANTS .............................................................................3  
PART NUMBERS ............................................................................................................................3  
QUICK START GUIDE ....................................................................................................................3  
HOW TO USE..................................................................................................................................3  
MAINTENANCE...............................................................................................................................3  
TEMPERATURE..............................................................................................................................3  
BASIC TUNING PARAMETERS .....................................................................................................4  
WHAT’S NEW..................................................................................................................................4  
Figure 1 - Kit Contents  
GEN V ANTI LAG VALVE OVERVIEW...........................................................................................5  
GEN V ALV Accessories................................................................................................................6  
FITTING YOUR GEN V ALV............................................................................................................6  
Connecting Your Anti lag valve.................................................................................................7  
Calibration...................................................................................................................................8  
Tuning .........................................................................................................................................8  
Sensor Linearisation..................................................................................................................9  
Tuning Strategies...........................................................................................................................9  
ADVANCED FEATURES ON THE GEN V ANTI LAG VALVE .....................................................10  
Re-Orientation of the Actuator ................................................................................................10  
Water Cooling ...........................................................................................................................10  
TROUBLESHOOTING...................................................................................................................11  
2
TOOLS REQUIRED  
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¼” drive socket 5mm  
¼” drive extension  
¼” drive ratchet  
3/8” square drive deep socket  
Square drive ratchet wrench  
Torque wrench (3/8” drive)  
Non-marking spanners to tighten fittings  
Supplied collar tool  
SUGGESTED LUBRICANTS AND SEALANTS  
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Loctite 243 Thread locker  
Loctite 567 Thread Sealant  
Resbond 907TS Red  
Penetrating oil  
Inox MX8 spray grease or High Pressure High Temp Spray Grease  
PART NUMBERS  
TS-0552-1601 GenV eALV40 Electronic Anti-Lag Valve Black  
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QUICK START GUIDE  
CAUTION!  
It is important during the setup of the eGate, that some precautions are taken to ensure that the unit does not malfunction.  
Firstly, the output from the ECU should be limited to 15%. As well as an inline fuse (5A-10A) or breaker to protect the eGate.  
Once correct operation has been verified the fuse and limits can be removed.  
HOW TO USE  
The Turbosmart anti lag valve is a brand-new way to drive aftermarket Anti lag valve valves, it involves using an electric  
motor to drive the position of the valve, this allows far greater control over the valve during its actuation on the car, this  
paired with an aftermarket ECU controlling it, allows for plenty of new and safer ways to anti lag strategies on your car.  
The Body will need to be fitted to the vehicle. Please see the exploded drawing. This involves the two V Bands clamps,  
the outlet (fitted on the exhaust manifold), and the inlet where the diverted boost pressure is fed into the exhaust. A Valve  
seat is fitted inside the outlet V Band allowing the valve to seal upon closing. It is important to have the valve manually set  
to about the middle of its stroke as well as the valve seat installed. This will allow for an easier installation.  
Please see below for a more detailed and helpful way of installing the Turbosmart Gen V Anti lag valve.  
MAINTENANCE  
Turbosmart’s Gen V Anti lag valve will require periodic reapplication of spray grease such as Inox MX8 spray grease (Any  
high temperature high pressure grease will suffice), this is important that the manual override is used to move the valve up  
and down allowing the grease to be applied throughout the entire valve gearbox. Turbosmart recommends that this is done  
regularly at least half yearly or in demanding temperature environments.  
It is also important to check V Band tightness after the Anti lag valve has run through a couple of heat cycles. To ensure  
that the Anti lag valve is seated and sealing correctly.  
TEMPERATURE  
The Turbosmart Gen V Anti lag valve has a maximum thermal stress of 1250degC (2282degF) for 24hr if thermally cooled  
through the water-cooling ports, it is important that the actuator internal housing doesn’t go above a temperature of  
150degC (302degF) as this may cause damage to the internal electronics. Turbosmart recommends that the Anti lag valve  
is water cooled and paired with good airflow over the body to help regulate temperature. Turbosmart also recommends  
data logging the temperature that is seen inside the actuator using the temperature sensor included onboard.  
It is recommended that water cooling is in line with the turbo this will increase the longevity of the Anti-lag valve and allow  
it to operate seamlessly. This does depend on the certain application and the rate and period at which the Anti lag valve is  
exposed to the high temperatures.  
3
BASIC TUNING PARAMETERS  
It is important that the basic tuning parameters are discussed with a trained professional, please consult your ECU  
manufacture. There are a few basic parameters that are worth noting.  
Motor polarity is important, Due to the nature of PID controllers (Proportional-integral-derivative controller) the Anti lag  
valve will be targeting a set position, this will move further away if the motor polarity is wrong as it’s trying to reach it’s  
setpoint.  
Current limitations, it is important that the Current that is driven through the motor is limited to no more than 20amps for  
more than 1 second and 5 amps for more than 5 seconds. It is important that the current values such as the dead band are  
correctly set in the ECU to allow for the motor to only be active if needed.  
Sensor Diagnostic limits should be monitored for values that are lower than 0.1V and higher and 2.15V with respect to  
the Temperature sensor and 0.1V-4.9V with the position sensor. It is also recommended that safety tuning strategies are in  
place to lower temperatures if the Anti lag valve internally reaches a temperature of 150degC (302degF).  
Valve Position limits should be set to target 0% for valve closed and 90% for completely open, Since the design of the  
end stops is biased to operate better with the valve in the closed position it is recommended to avoid opening the valve to  
full lift.  
Boost cut should be set to ensure the safety of your engine a sensible boost cut should be set with in the ECU to control  
any possible over boost issues that could be detrimentally to your engine.  
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WHAT’S NEW  
Our Electronic Anti-Lag Valves are a direct fit upgrade to all 5th-generation Turbosmart Anti lag valves and feature our unique collar-  
locking system, variable motor cap and base, strap-type V-band clamps, liquid-cooling, 1/8″ NPT ports.  
Control  
With the introduction of the electronic motor to drive the Anti lag valve, a new level of control is now available to antilag control  
strategies, there is a wide range of tuning strategies that can be implemented to better control how antilag is operated. This allows  
the engine to maintain much better control of how the Anti lag valve is operated.  
Adjustability  
The 5th generation Anti lag valve range has been designed with maximum user-adjustability, without comprising performance. We  
designed this unit with almost infinite possibilities of directions in which the motor assembly can be mounted with the engine bay. So,  
if you need the Anti lag valve mounted in the opposite orientation to stop fouling with parts within the engine bay, there is an orientation  
that is suitable for the Anti lag valve to operate in. This mixed without the need of having to remove and reassemble due to changes  
in base spring pressure the Anti lag valve has next level control adjustability of the position of the valve.  
Upgrades and Servicing.  
Due to the modular construction, the new range is also upgradeable and completely serviceable, as all components can be removed  
or upgraded. Components have been tested for over one million cycles so reliability will be rock-solid.  
Flow and Thermal Performance  
Our new range of Anti lag valves out-flow all competitors thanks to our world-leading engineering and simulation abilities. Thermal  
performance has been improved drastically compared to our nearest rival, and all Anti lag valves feature liquid cooling ports for further  
thermal performance if required.  
4
GEN V ANTI LAG VALVE OVERVIEW  
Wiring Loom  
“Water Cooling” port  
1/8” NPT  
Inlet Adaptor  
Outlet V-Band  
Inlet V-Band  
Outlet Weld Flange  
(Sold Separately)  
Figure 2 -Gen V Anti lag valve Overview  
Locking tabs  
Water cooling  
symbol  
Slave Collar  
Figure 3 Gen V Anti lag valve Water Cooling  
Figure 4 Gen V Anti lag valve Locking Collar  
5
GEN V ALV Accessories  
TS-0550-3114 ALS 6-1 Weld flange (for 6 cylinder/V12/6 outlet pipes)  
TS-0550-3104 ALS 5-1 Weld flange (for 5 cylinder/V10/5outlet pipes)  
TS-0550-3098 ALS 4-1 Weld flange (for 4 cylinder/V8/4 outlet pipes)  
TS-0550-3099 ALS 3-1 Weld flange (for 3 cylinder/V6/3 outlet pipes)  
TS-0550-3100 ALS 2-1 Weld flange (for 2 cylinder/2 outlet pipes)  
TS-0505-3001 WG40 Inlet Weld Flange (for single outlet)  
TS-0550-3101 Inlet Weld Flange AL  
TS-0550-3102 Inlet pipe adapter 1-3/4" OD  
TS-0550-3103 Inlet pipe adapter 1-1/2" OD  
TS-0552-3001 WG40 Valve Seat  
TS-0552-3003 WG40 Inlet/WG45 Outlet V-Band  
TS-0552-3004 WG40 Outlet V-Band  
TS-0550-3076 WG40 weld purge bung  
TS-0550-3080 V-Band Replacement Nut - 2 Pack  
TS-0550-3009 WG38/40 Actuator Collar  
FITTING YOUR GEN V ALV  
Plumbing the antilag valve into the exhaust port maximises the  
thermal energy from the exhaust to increase the flame front with  
fresh air and unburnt fuel.  
Mounting your New Turbosmart Gen V ALV  
(Anti Lag Valve)  
1
Connect the inlet of the ALV to the charge intercooler piping pre-  
throttle body, having the pipe, and attached at an angle in the  
The weld flanges should be welded to your exhaust system. The  
weld flanges are compatible with stainless steel and mild steel  
welding rod material.  
ALV  
For best results tubes should be plumbed into the turbo manifold  
as close to the exhaust port of the engine for maximum efficiency.  
Turbosmart Weld flanges are designed to accept 19mm (3/4”)  
tube, large diameter tubes with the least amount of restriction will  
achieve a higher amount of usable energy in the manifold.  
Turbo pressure  
source  
CAUTION!  
Do not place the actuator cap near a significant heat source  
as this could shorten the life of the diaphragm.  
Turbo  
CAUTION!  
Use of the Antilag valve produces excessive heat in the  
exhaust manifold and turbo and may result in shorter than  
expected life.  
eALV  
Turbo Compressor  
housing  
ALV  
Runners  
Figure 6 ALV mounted on Turbo system  
Fitting the Gen V ALV  
2
Prior to mounting the Gen V ALV, place v-band over weld on  
flange by unscrewing the nut on the v-band as far out as possible  
and then squeezing the bolt in a syringe motion to expand the v-  
band (squeeze the dots together below). Once the v-band is in  
its fully expanded position, slide the v-band over the flange to  
allow for the ALV to be installed.  
Turbo  
Flange  
Do not forget to put the valve seat into the body before mounting  
the unit on the exhaust manifold. Using the 3/8” deep socket and  
a torque wrench Tighten the V-Band to 7N.m (5 ft/lbs). Ensure  
Figure 5 ALV mounted on Exhaust Manifold  
6
the Anti Lag Valve is home correctly while torqueing the nut to  
not have a false torque as this will likely contribute to exhaust  
leaks. Ensure O-Ring is in place on the inlet compressed air side  
of the valve.  
Connecting Your Anti lag valve  
3
The Turbosmart Electronic Anti-lag valve comes  
unterminated with 6, or 7 wires. A revision was made to include  
the additional (Blue) wire for internal / development only  
purposes. Revision A can be identified by its total of 6 wire  
count, while Revision B can be identified by its total wire count  
of 7.  
Revision B (current) Wiring  
Colour  
Description  
Large Gauge Red Motor A tending towards  
0%  
1
single core  
wire each  
Large Gauge  
Black  
Motor B tending towards  
100%  
Red  
5V  
Black  
White  
Sensor ground 0V  
Position Signal 0-5V  
Multi Core  
Wire  
Blue  
*
Unfiltered Signal Output  
Position Output)  
Temperature Signal 0-5V  
(
Rev B Only)  
(
Yellow (Orange  
Rev A)  
*
Note: The Blue (unfiltered position signal) is not required for  
use & is for development purposes only.  
*Note: The 5V red wire has no reverse polarity protection, use  
only 5V wired in correctly.  
*Note: The sensor ground must be grounded at the ECU  
*
*
Figure 7 Vee Band Clamp  
Sensor ground and NOT the chassis.  
Sensor Voltage Limits  
Deg C (Deg F)  
Temperature Sensor Temperature Sensor  
Output (mV) Rev A Output (mV) Rev B  
0
1
(32)  
50 (302)  
500  
2000  
2630  
538  
Target Voltage (V) Duty Cycle (Rev B  
only)  
Position Sensor  
0
.20-0.60V  
~16%  
1
00%  
%
4.40-4.80V  
~84%  
0
CAUTION!  
Turbosmart recommends calibrating the position sensor  
before connecting the motor wires to your motor drive.  
The two large wires are directly connected to the motor of the  
anti-lag valve and need to be connected to high power drives in  
a Full bridge configuration like that of an electronic throttle drive  
circuit, see your ECU supplier documents for suitable  
connections. Turbosmart recommends the anti-lag valve should  
be driven by an External dual H-Bridge, that is at least 20A for  
seamless operation.  
Connect the small Red Wire to a 5V power source from your ECU  
as well as the Black wire to Sensor ground. Connect the white  
wire to a 0-5V analogue input on your ecu as well as the orange  
temperature sensor signal. The blue wire (Revision B only) is an  
unfiltered position output signal for development purposes - This  
can be left unterminated.  
Figure 8 Exploded Drawing  
CAUTION!  
Whilst the temperature sensor is not required for operation,  
it is recommended for activating failsafe protocols.  
Ensure all connections are high quality and away from any  
heat source.  
It is important during the setup of the eGate, that some  
precautions are taken to ensure that the unit does not  
malfunction. Firstly, the output from the ECU should be  
limited to 15%. As well as an inline fuse (5A-10A) or breaker  
to protect the eGate. Once correct operation has been  
verified the fuse and limits can be removed.  
7
Calibration  
CAUTION!  
Do not apply excessive force to the manual override, doing  
so will damage the product and effect the performance.  
4
CAUTION!  
Disconnect the motor wires to prevent accidental spin up.  
Valve Down  
To calibrate the electronic Anti lag valve, the cap must be  
removed to allow access to the manual override screw. Please  
note that the valve seat must be in place before calibration.  
Using an Allen key remove the 2 top bolts allowing the cap to be  
removed, and a spacer or shift the cap off to one side and reinsert  
at least one of the bolts. This prevents the preload in the  
mechanism separating the housing potentially effecting the  
calibration accuracy.  
Valve UP  
Cap retaining  
bolts  
Figure 11 ¼ Drive extension with 5mm socket manually  
adjusting.  
Using your ECU manager software, read the voltage from the  
sensor and set this as your closed position.  
Wind the manual adjustment in an anticlockwise direction until it  
stops. From this position rotate the adjustment 2 full turns in a  
clockwise direction. Read the sensor value and set this as 100%  
valve travel.  
Monitor sensor signal voltage to ensure no wrap around occurs  
throughout the stroke of the valve that could affect operation.  
CAUTION!  
It is critical not to set the 100% position at the end of the  
travel as this may lead to seizing of the anti-lag valve and  
overloading the system.  
Figure 9 Top Cap removed for calibration  
Carefully move the motor wired allowing access to the manual  
override below (Figure 12)  
NOTE!  
Turbosmart recommends allowing additional clearance  
from the end stops until the Anti lag valve control is tuned  
to minimise risk of overshoot into end stops at high speeds.  
Manual  
Override  
Tuning  
5
The anti-lag valve will come calibrated from Turbosmart,  
the targeted values have been set with regards to the position  
sensor are 0.5V (completely open) and 4.5V as (completely  
closed), It’s important to note that as the anti-lag valve moves  
through its range of motion that the valves are monitored to move  
from 4.5V decreasing to 0.5V, 0% open to 100% open. This  
should be done manually with the ECU package monitoring  
Voltage Values. The electronic motor should be disconnected at  
this point.  
Voltage wraps around will cause errors with the Anti lag valve,  
this is when the Voltage increases from 4.8V up to 5V and jumps  
through to 0V.  
Position Sensor  
Target Voltage  
0.20-0.60V  
4.40-4.80V  
Duty Cycle  
~16%  
~84%  
100%  
%
0
Figure 10 Manual Override  
Using a ¼” drive extension with a 5mm socket, turn the manual  
override in a clockwise direction with your fingers until the  
mechanism stops rotating. In this position the valve should be  
home against the valve seat and will be your 0% position.  
It is important to set up the correct limits manually with anti-lag  
valve. Turbosmart recommends that the valve is only ever  
driven electronically to the maximum valve position of 90%.  
8
Driving the valve to 100% will cause increased wear on  
components such as the electronic motor as it tries to  
force the valve to completely open.  
Sensor Linearisation  
6
Due to the nature of the poppet valve design, the flow  
characteristics are nonlinear. In some cases, it may be  
advantages to correlate the linear sensor output to match the flow  
of the valve. The following plot compares valve position with  
Adjust the calibration to allow plenty of overshoot to the end stops  
of the valve, recalibrate as above once you have good control of  
valve position.  
rd  
valve flow. A 3 order polynomial is provided to relate sensor  
position to flow. Note due to the design of the anti-lag valve, the  
valve is on a preloaded mechanism to minimise binding at the  
end stops, this results in the sensor reading past the home  
positions and for this reason the calibration sequence with low  
force is essential.  
PLEASE NOTE that temperatures over 180 degC (356degF)  
will create an error in the temperature sensor readings.  
Therefore, the internal temperature is rated to a temperature of  
150degC (302degF) it is recommended to log and place  
sufficient alarms to monitor this.  
Sensor Linearisation  
PLEASE NOTE When driving the electronic actuator, the current  
should be limit to no more than 20 amps at a period of 1 second  
and 5 amps for more than 5 seconds.  
1
20%  
00%  
80%  
120%  
100%  
80%  
60%  
40%  
20%  
1
Follow your ECU manufacturers guidelines for tuning Anti lag  
valve servo control. Ensure dead band is set to a reasonable  
level to not have the output active when not needed.  
6
4
2
0%  
0%  
0%  
3.500  
3.000  
2.500  
2.000  
1.500  
1.000  
0.500  
0.000  
0%  
0%  
150%-20%  
20% 0%  
-
50% 100%  
Valve lift  
y = 0.5596x3 1.8306x2+ 2.2847x 0.0189  
2
R = 0.9989  
0
100  
200  
300  
400  
Temperature  
Deg C  
Deg F  
Tuning Strategies  
CAUTION!  
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Tuning your antilag valve should be done by a professional  
Antilag valve is for race applications only  
The use of antilag creates excessive heat in the exhaust manifold and can shorten the life of turbo, exhaust manifold and related  
systems  
Activation and Shut Down  
NOTE!  
1
For best results, any bypass valves in the system should be  
forced closed when in enabled to ensure compressor charge  
is distributed into the exhaust manifold via the ALV.  
Criteria should be established within the ECU to control the  
antilag valve, a minimum throttle percentage and delay to arm  
the system with arming achieved when throttle is released with  
an active time limit set.  
Tuning  
2
Each engine and set up will require different parameters to  
achieve the desired results. Typically, a combination of ignition  
retard, ignition cut, and fuel trim can be used to increase and  
decrease the effectiveness of the system.  
It is a good idea to have limits set up to shut down the antilag  
system if too much heat is being produced. Exhaust temperature  
sensors and engine temp should be monitored and allowed to  
deactivate the system if bordering dangerous levels.  
Outputs should be set up to open the valve when enabled.  
9
ADVANCED FEATURES ON THE GEN V ANTI LAG VALVE  
Re-Orientation of the Actuator  
1
Tighten the collar using a torque wrench on the 3/8” square drive  
provided in the collar tool perpendicular to the length of the tool  
to 30N.m (22ft/lbs). Fold down a tab onto the slave collar to  
prevent the collar from coming loose during use.  
Water  
feed/return  
Figure 14 Water Lines  
3/8” square  
drive  
Figure 12 Collar Tool  
Turbosmart provide the Gen V Anti lag valve in a set orientation,  
in some applications it may be advantages to clock the actuator  
to allow clearance for fittings and wiring.  
Locate the slave collar between the electronic actuator and the  
body underneath the heatshield, A tab on the heatshield will be  
folded down into a groove on this collar. Using a flat blade  
screwdriver, pry this tab out of the groove allowing the collar to  
be loosened.  
Figure 15 Collar Tool and Torque Wrench  
Using the small end of the supplied collar tool undo the slave  
collar 1 complete revolution (anti-clockwise as viewed from the  
bottom). One tab on the heatshield at the back of the anti-lag  
valve is folded up to locate on the actuator. The actuator will need  
to be freed from its body; a small soft mallet may be required to  
break the seal of the actuator from the valve guide. Once free  
rotate the actuator to desired location ensuring the folded tab  
aligns with a groove in the bottom of the actuator. It is possible  
to fold down this tab and use another if the actuator cannot be  
positioned correctly on the original tab.  
Water Cooling  
2
Turbosmart’s Gen V anti lag valve is equipped with water  
cooling ports to keep the anti-lag valve cool in the most  
extreme conditions and keep consistent actuator temperature.  
Identify the water cooling ports on the bottom of the actuator  
adjacent to the water-cooling symbol engraved in the actuator.  
CAUTION!  
Turbosmart does NOT recommend altering to position of the  
actuator once the Anti lag valve has been used.  
Water cooling  
Port (2 holes)  
It is recommended that the electronic actuator be clocked  
without a valve seat installed to prevent damage to the valve.  
Water  
cooling  
symbol  
Locking  
groove  
Figure 16 Water Cooling Ports  
Locking  
collar  
Fit water-cooling port fittings Prior to mounting the anti-lag valve,  
install 1/8” NPT fittings into the water ports, apply thread lubricant  
and screw in clockwise until finger tight, then tighten further 1-2  
turns for seal. Choose feed and drain source for the water and  
connect to the anti-lag valve. Turbosmart recommends -4SAE  
fittings and hose compatible with coolant. It is not important  
which way the water flows through housing.  
Figure 13 Collar and Locking tabs  
CAUTION!  
Check for leak, ensure the water-cooling circuit is free from  
leaks.  
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TROUBLESHOOTING  
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Antilag valve not actuating - Confirm continuity of wiring, manually adjust valve position, and feel for binding.  
Poor antilag valve actuation Ensure wiring is correct, check for dirt and smooth operation by manual over-ride, ECU that is  
driving the valve may not be set up correctly.  
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Wraparound of signal on position sensor – Turbosmart Pre “time” every sensor, contact Turbosmart if this occurs.  
Antilag valve seized Remove cap and manually move valve feeling for resistance.  
Antilag valve moves but sensor not reading Check connections.  
Failing the above, submit a technical request to tech@turbosmart.com.au with information of your engine configuration and  
photos of installation.  
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