Quieter injectors?
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Mountain Pass
Joined: Oct 2011
Posts: 208
Likes: 3
From: Cheyoming
Quieter injectors?
Does anyone make (and which are the best) quieter injectors for the 7.3?
It's a 2001.
Also improved performance would be a plus. I know Dodge came out a few years ago with quieter injectors and it really made a difference in sound volume.
It's a 2001.
Also improved performance would be a plus. I know Dodge came out a few years ago with quieter injectors and it really made a difference in sound volume.
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From: Central Coast of CA
Stewart
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Joined: Dec 2006
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From: Melbourne, Ky
There are things you can do to help quieten the injectors. Probably the best thing to do is get the air out of the fuel system. A Fuel Air Separator System comes to mind. There are some cheaper, things you can do to help too. A regulated return for the fuel system can help. A fuel rail crossover line Riffraff Diesel Performance Parts: - FRx can help, as well as a High Pressure Oil crossover line Riffraff Diesel Performance Parts: - HPX . I have installed both of the crossover lines, and my truck is really quiet when compared to most other 7.3's. A good fuel additive that raises the cetane in the diesel will help too, especially if you're running a tune. Synthetic oil is also a good idea. Some guys like the 5W-40, but I prefer the 15W-40 myself. It is noisy at startup, especially in the winter time, but after it warms up, it does quiet down.
Installing dynamat in the doors and on the floorboard will do wonders at making the cab quiet.
Installing dynamat in the doors and on the floorboard will do wonders at making the cab quiet.
Post Fiend
Joined: Aug 2010
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From: Manchester, CT
Hotshot
Joined: Dec 2006
Posts: 14,069
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From: Melbourne, Ky
How many miles do you have on your truck?
Have you done any modifications? Tuner, chip?
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Mountain Pass
Joined: Oct 2011
Posts: 208
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From: Cheyoming
130K. Only mods are 4" turbo back exhaust, air intake, and oil vent bypass.
I've Googled the subject a bit and seems there are products available that claim to be quieter. Most are "remanufactured".
I've Googled the subject a bit and seems there are products available that claim to be quieter. Most are "remanufactured".
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Postmaster
Joined: Jul 2006
Posts: 4,993
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From: Bend, OR
And CR tech... And the fact they are completely different motors...
Has VERY LITTLE to do with Pilot injection.
Postmaster
Joined: Jun 2007
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From: Sweetwater Texas
O, didnt even think about CR, I guess I got some reading up to do. I could have swore that I has read an article in Diesel Power a few years back about the 6.7 psd, and I coild have swore they said it was quiter due to pilot injection, and when turned off it sounded like a 7.3.
Senior User
Joined: Mar 2009
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From: SENECA
What about a little 2-cycle oil in your diesel fuel? I did this for the past two tanks, and it is by far the best thing I have done to reduce engine noise. Personally I would not want my truck any quieter. Just a thought, it is definitely cheaper than replacing injectors.
Here is a link: https://www.ford-trucks.com/forums/1...nd-tranny.html
Here is a link: https://www.ford-trucks.com/forums/1...nd-tranny.html
More Turbo
Joined: Oct 2009
Posts: 655
Likes: 18
From: Randolph County NC
If the O.P.s goal is to reduce engine noise in the truck cab, I have tried 2 stroke oil, FRX, in tank and pre-pump mod and added an Adrenaline HPOP. My engine is very quiet for a 7.3 running stock split shots with 80 and 100hp tunes.
I also added poly tubing to my door seals which made my cab quieter.
Some folks are bed liner coating there valve covers and have stated that quieted things down. Insulating the firewall with sound mat is another option. New injectors can make the engine run quieter.
I also added poly tubing to my door seals which made my cab quieter.
Some folks are bed liner coating there valve covers and have stated that quieted things down. Insulating the firewall with sound mat is another option. New injectors can make the engine run quieter.