Supercharged/Turbocharged The increase in air/fuel pressure above atmospheric pressure in the intake system caused by the action of a supercharger or turbocharger attached to an engine.

highest fuel pressure to use with FMU?

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Old Jun 2, 2005 | 08:50 AM
  #1  
20006spd's Avatar
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highest fuel pressure to use with FMU?

At what point do to run risk of damaging the injectors? Is 90-100psi fuel pressure too high to run safely?
Old Jun 2, 2005 | 10:35 AM
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thats getting a little high on the duty cycle, but people have been known to push fuel pressures that high out of stock injectors. you run the risk of becoming static.

Steve
Old Jun 2, 2005 | 10:41 AM
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duty cycle

i didnt realize that fuel pressure plays a part in the duty cycle of the injector. i though they were seperate factors. Three ways to increase fuel , fuel pressure, size of injector, and injector plusewidth, am i on track?

thanks for the help.
Old Jun 2, 2005 | 12:15 PM
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Yes, you are correct 20006spd.

People have pushed those pressures, however it is definitely NOT recommended or safe. Although, our deka-II style injectors we have are rated up to 8bar ~ 116psi.

Get an eManage($270ish) and bigger injectors($500ish used) IMHO.
Old Jun 2, 2005 | 12:53 PM
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Originally Posted by IceY2K1
Yes, you are correct 20006spd.

People have pushed those pressures, however it is definitely NOT recommended or safe. Although, our deka-II style injectors we have are rated up to 8bar ~ 116psi.

Get an eManage($270ish) and bigger injectors($500ish used) IMHO.

don't listen to this guy, i did and wasted over a grand on my fuel setup

20006spd, get bigger injectors and emanage. It allows sooooo much more tunning ability and ability change different settings that running an fmu cant provide
Old Jun 2, 2005 | 01:13 PM
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You've learned well grasshoppa...hai~!
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