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Old 10-19-2010, 01:28 PM
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Pilot Injection

Been looking at FICM Tuning recently, and supposedly Bill can tune it to have the old pilot injection feature back in our trucks. I loved it when mine had it, but is there any ill effects on the engine, specifically the injectors?
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Old 10-19-2010, 04:49 PM
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Old 10-19-2010, 04:58 PM
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Quote:
Originally Posted by SickStroke6.0 View Post
they got rid of it because it idled like crap...i think,if i remember correctly...thats the ill effect im thinkin of
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Old 10-19-2010, 05:00 PM
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Yeah, well you are firing the injectors more often so i guess that is more wear and tear on the injectors and firing them twice per cycle instead of once I expect would shear the oil twice as fast.

My understanding is Ford got rid of it because oil couldn't fill the injector fast enough to fire right twice a cycle. I suppose a 5w30 would help that significantly as well as the shearing issue.
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Old 10-19-2010, 05:02 PM
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good question, not sure; i dont see why it isnt possible. It would be nice to have a quieter idle.... but i like my diesels loud, my brothers duramax doesnt even sound like its running next to mine

Mitch, dont you think a regulated return or an airdog would be a necessity for PI?
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Old 10-19-2010, 05:03 PM
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Quote:
Originally Posted by harley1rocker View Post
they got rid of it because it idled like crap...i think,if i remember correctly...thats the ill effect im thinkin of
Yeah, see my statement above. That's why it idled like crap.
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Old 10-19-2010, 05:05 PM
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It's easier to do pilot injection when your piezo injectors are capable of firing 5 times/cycle.
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Old 10-19-2010, 05:21 PM
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Quote:
Originally Posted by PGreenSVT View Post
Yeah, well you are firing the injectors more often so i guess that is more wear and tear on the injectors and firing them twice per cycle instead of once I expect would shear the oil twice as fast.

My understanding is Ford got rid of it because oil couldn't fill the injector fast enough to fire right twice a cycle. I suppose a 5w30 would help that significantly as well as the shearing issue.
I see. Well I'm switching to Rotella T5 10W30, would that help?

Quote:
Originally Posted by PGreenSVT View Post
It's easier to do pilot injection when your piezo injectors are capable of firing 5 times/cycle.
And so if I swapped oils, and added an AirDog 2 then I could technically run it safely?
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