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IMPORTANT NOTES ON YOUR IWG75 TWIN PORT INTERNAL WASTEGATE ACTUATOR
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Consult your local specialist before setting your desired boost pressure, setting boost beyond your engines capability may
result in engine damage.
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Allow for adequate cool airflow around the top diaphragm housing
RECOMMENDATIONS
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Turbosmart recommends that boost pressure is set using a Dynamometer and not on public roads.
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Turbosmart recommends that a boost gauge be permanently fitted to the vehicle.
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Turbosmart recommends that the engines Air/Fuel ratio is checked while setting the desired boost pressure, as any
increase in boost pressure can cause the engine to run "LEAN", resulting in possible engine damage.
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BASIC COMPONENTS OF YOUR IWG75 TWIN PORT INTERNAL WASTEGATE ACTUATOR
Disclaimer: Please note that the images shown below portray examples of assembled products for explanation
purposes. The purchased product will have some of the components in separate packaging.
IWG75 Twin Port
Twin Port Internal Wastegate
Actuator
TS-06XX-XXXX
Clevis type TP IWG75 (not to scale)
Non-clevis type TP IWG75 (not to scale)
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Summary of Contents for Turbosmart IWG75 Twin Port
- Page 1 Turbosmart recommends that a boost gauge be permanently fitted to the vehicle. Turbosmart recommends that the engines Air/Fuel ratio is checked while setting the desired boost pressure, as any increase in boost pressure can cause the engine to run “LEAN”, resulting in possible engine damage.
- Page 2 MOUNTING YOUR IWG75 TWIN PORT – BENT ROD Some IWG75 twin port actuators may incorporate a bent rod in their design such as image below. For such actuators, a turn buckle is utilised to allow the bent rod to be set in the appropriate orientation. This is in order for the clevis to be in-line with wastegate flap for correct mounting.
- Page 3 Clevis Type Actuator For a clevis type actuator, when installing the clevis of the IWG75 Twin Port onto the wastegate valve arm, make sure that there is 2mm of preload. Then use compressed air - the amount of air pressure applied should be slightly higher than what the IWG75 spring is rated to, (do not apply air pressure supply higher than 3 bar (40psi) gauge).
- Page 4 Notes: As a rough guide it is possible to double the base pressure when accompanying a Turbosmart IWG75 with a Turbosmart boost controller if the system is adequately sized. Results will vary depending on every application.
- Page 5 WARNING! Fitting a wastegate actuator with a higher spring pressure may cause a higher than expected increase in boost pressure. Turbosmart recommends adjusting your boost controller back to its minimum setting and measuring the new minimum boost pressure achieved by the new spring, before increasing your boost pressure again.
- Page 6 WARNING! Fitting a wastegate actuator with a higher spring pressure may cause a higher than expected increase in boost pressure. Turbosmart recommends adjusting your boost controller back to its minimum setting and measuring the new minimum boost pressure achieved by the new spring, before increasing your boost pressure again.
- Page 7 Boost Tee setup When using your wastegate actuator in conjunction with a Turbosmart Boost Tee, fit the controller between the boost pressure source and pressure nipple as shown. Ensure the arrow on the Boost Tee is pointing in the direction illustrated.
- Page 8 Two port connection (For controlling boost on a turbo system with high back pressure) Disclaimer: Please note that base boost pressure will increase when using this method. Reset your Turbosmart electronic boost controller to factory settings prior to further configuration.
- Page 9 If found to be defective, it will be replaced or repaired if returned prepaid along with proof of date of purchase. This shall constitute the sole remedy of the purchaser and the sole liability of Turbosmart to the extent permitted by law, the foregoing is exclusive and in lieu of all other warranties or representations whether expressed or implied, including any implied warranty of merchantability or fitness.
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