injector duty cycle

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Dec 27, 2004 | 01:07 AM

topspeed

Thread Starter

1.0 BAR

Joined: Nov 2004

Posts: 319

injector duty cycle

is there a maximum duty cycle the injectors can handle? for 450 DSM's?

Dec 27, 2004 | 01:11 AM

Spenser

3.0 BAR

Joined: Aug 2003

Posts: 3,925

Re:injector duty cycle

by definition its 100%, but people run more

Dec 27, 2004 | 01:32 AM

turbohf

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Posts: 6,654

Re:injector duty cycle

Quote:

Originally Posted by Spenser

by definition its 100%, but people run more

haha...people always talk about giving a "110%"...but an injector cant...think about it... at 100% its fully open all the time, it cant be open more

Dec 27, 2004 | 01:56 AM

leed

3.0 BAR

Joined: Dec 2002

Posts: 3,829

Re:injector duty cycle

Try to explain this to Jeff, lol :P

Dec 27, 2004 | 01:59 AM

Spenser

3.0 BAR

Joined: Aug 2003

Posts: 3,925

Re:injector duty cycle

Quote:

Originally Posted by turbohf

Quote:

Originally Posted by Spenser

by definition its 100%, but people run more

haha...people always talk about giving a "110%"...but an injector cant...think about it... at 100% its fully open all the time, it cant be open more

yeah, maybe, I think theres more to it then that perhaps.

Dec 27, 2004 | 02:04 AM

leed

3.0 BAR

Joined: Dec 2002

Posts: 3,829

Re:injector duty cycle

Dustin is 100% correct.

Dec 27, 2004 | 02:20 AM

turbohf

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Re:injector duty cycle

Quote:

Originally Posted by leed

Dustin is 100% correct.

that mean i get a cookie?...umm thanks

Dec 27, 2004 | 07:23 AM

Chris Harris

3.0 BAR

Joined: Jul 2003

Posts: 6,447

Re:injector duty cycle

you can always push an injector to 100% duty cycle at stock psi (41-48psi), but you can always up the fuel pressure to make the injector flow more fuel

the premise of an FMU

however, the advice is no higher than 90% duty cycle IMO, if you reach that, get bigger injectors