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Boost Setting Questions Duty cycle.

Old 01-20-2010, 08:23 PM
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Thumbs up Boost Setting Questions Duty cycle.

Ok so running FM kit with hydra and a gt2560 turbo and wondering how to set up my AEM truboost and what an appropriate duty cycle is? Also not really sure what Duty Cycle is and means I am more familiar with PSI. Just had my motor rebuilt with Eagle H-rods and Wisco FM pistons 9:1 comp ratio. and head ported. Shop is good but want to make sure I a familiar with what duty cycle is and so-forth any help would be appreciated and or what are other people running with similar set ups. Also what should Spring pressure be set at. not sure with such a fast spooling turbo as the 2560 is.
Thank you everyone.

Last edited by mach5; 01-20-2010 at 09:35 PM.
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Old 01-21-2010, 10:55 AM
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Well first of all, put a bigger turbo on your awesome engine

Second, RTFM, search google for "setting up truboost"

Third, just keep an eye on your boost gauge

Forth, set the Hydra boost target accordingly.
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Old 01-21-2010, 11:14 AM
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Old 01-21-2010, 10:42 PM
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Duty Cycle usually refers to the amount of time the device is "on" or "active" over a defined period. eg for injectors, duty cycle is the time the injector is open divided by the time for one engine cycle. See here for a more complete definition: Stealth 316 - Injector Duty Cycle Calculation
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