Injector noise = longevity? - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 12 (permalink) Old 03-24-2008, 03:55 AM Thread Starter
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Question Injector noise = longevity?

It's no secret that the injectors make more noise when switching from lower chip settings to the higher HP settings. In my simple way of thinking this increased noise sure sounds like things are working harder and that means the parts should wear out faster? Does this make sense to anyone else?

In particular there seems to be a big jump in noise when I switch from a tow program (40 or 60) to the 80econo setting. I like the increased MPG when using the setting but not if it's going to shorten the life of the injectors significantly. I have been told some of the increased noise is from advancing the timing which makes sense although the injectors seems to make a similar amount of noise in the 80econo and 120+ settings.

Who has alot of miles on the 80econo setting? I have maybe 30K miles total between two vehicles. Anyone have more than 100K running the program?

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post #2 of 12 (permalink) Old 03-24-2008, 05:42 PM
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Re: Injector noise = longevity?

I don't think you can hear the injectors anyways. I too notice that there is a louder engine sound when I switch to 80E and my feeling is that it is because of the timing. The way it sprays fuel affects power and the combustion characteristics so that might be what you are hearing. By themselves, injectors are not that noisy.

01 Excursion 7.3L Powerstroke. Gauges with AIH Delete, AIS, CCV Mod, 4' MBRP, BTS Trans, 6.0L Trans Cooler and Intercooler, DP-Tuner F5 chip, ITP In Tank Mod and Boost Annihilator, Diesel Innovation's Regulated Fuel kit, BTS Big Oil system, GTP38R Turbo with 1.15 A/R housing and BPD Stage II AC injectors. Bilstein Shocks with U front and A Rear.
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post #3 of 12 (permalink) Old 03-24-2008, 05:55 PM
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Re: Injector noise = longevity?

Get some single-shots and tell me how quiet they are, there not compared to splits.

01 250 sc xlt -" Forged Rods," Full Force 238/100s inj, Reg kit, Big fuel,DP F5 tunes, ATS BB turbo, ARP Headstuds, Com 910s, DI Pushrods, IDM mod, AFE Stage 2, TE2 HPOP R-IPR, BTS Trans, 6.0 intercooler, Fluidampr, HX, Cool max trans cooler, 4''exhaust & MORE.
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post #4 of 12 (permalink) Old 03-24-2008, 05:57 PM
 
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Re: Injector noise = longevity?

Quote:
Originally Posted by joediesle View Post
Get some single-shots and tell me how quiet they are, there not compared to splits.
Still though, that is from the nature of the combustion event, not the injector itself emitting the noise.

The injector itself isn't any more or less noisy than a split, it's the single shot combustion event that is more noisy.
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post #5 of 12 (permalink) Old 03-24-2008, 06:01 PM
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Re: Injector noise = longevity?

Agreed. Still miss the quietness of splits but not the lack of power from them..........mini-me's all the way.

01 250 sc xlt -" Forged Rods," Full Force 238/100s inj, Reg kit, Big fuel,DP F5 tunes, ATS BB turbo, ARP Headstuds, Com 910s, DI Pushrods, IDM mod, AFE Stage 2, TE2 HPOP R-IPR, BTS Trans, 6.0 intercooler, Fluidampr, HX, Cool max trans cooler, 4''exhaust & MORE.
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post #6 of 12 (permalink) Old 03-24-2008, 06:03 PM
 
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Re: Injector noise = longevity?

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Originally Posted by joediesle View Post
Agreed. Still miss the quietness of splits but not the lack of power from them..........mini-me's all the way.
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post #7 of 12 (permalink) Old 03-24-2008, 08:28 PM Thread Starter
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Re: Injector noise = longevity?

Then why does 2-cycle oil in the fuel significantly quiet the engine noise? I have tried it and it definitely quiets my engine. I was under the impression that the 2-cycle oil lubes and therefore quiets the injectors. If this is true then you can in fact hear the injectors firing. Otherwise, the 2-cycle oil is quieting the engine........how?

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post #8 of 12 (permalink) Old 03-24-2008, 09:55 PM
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Re: Injector noise = longevity?

Quote:
Originally Posted by Firehunter View Post
Then why does 2-cycle oil in the fuel significantly quiet the engine noise? I have tried it and it definitely quiets my engine. I was under the impression that the 2-cycle oil lubes and therefore quiets the injectors. If this is true then you can in fact hear the injectors firing. Otherwise, the 2-cycle oil is quieting the engine........how?
Changing the way the fuel burns.

Like I said before, I noticed it much quieter after I did the Regulated Return and a little more after I did big oil. Why? Because the RR feeds more fuel to the #8. With that, it changed the combustion characteristics. Big Oil became a sort of HPX which again affected how the fuel got into the chamber which affected how it burns.

01 Excursion 7.3L Powerstroke. Gauges with AIH Delete, AIS, CCV Mod, 4' MBRP, BTS Trans, 6.0L Trans Cooler and Intercooler, DP-Tuner F5 chip, ITP In Tank Mod and Boost Annihilator, Diesel Innovation's Regulated Fuel kit, BTS Big Oil system, GTP38R Turbo with 1.15 A/R housing and BPD Stage II AC injectors. Bilstein Shocks with U front and A Rear.
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post #9 of 12 (permalink) Old 03-24-2008, 10:26 PM
 
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Re: Injector noise = longevity?

The injectors do tick, but they don't clatter. There's a very definite difference you can hear.

It does quiten the tap some, but the "tap" is there in stock trucks and in modded, I don't think it's a result of the chip program.

99% of what you hear when you change to the 80E program is timing. The other 1% comes from the increased ICP making the injectors louder, but I really doubt a human ear could hear that change. JMHO
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post #10 of 12 (permalink) Old 03-24-2008, 11:36 PM Thread Starter
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Re: Injector noise = longevity?

OK...it sounds like I need to investigate a fuel system to quiet the engine down. In the 80econo setting just cruising down the highway empty the engine noise gets to be plenty annoying. In the tow programs it is not nearly as noticable. More research. More $$$.

2000 F350 PSD, 4X4, CC, LB, 6-speed/ PHP Tuning /1.0 Turbo (no wastegate) with WW/ 4" turbo back exhaust/ AIS Intake with fender sleeve/ Isspro EV gauges/

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