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Old Apr 26, 2006 | 08:30 AM
  #1  
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CSSuperDuty
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From: madera
Louder???

Good Morning Guys,
Hey would any of you know why my motor is louder in 1st and 2nd gear then when it hits 3rd you can barely hear her! Its not dead loud but why would it do that?(She run Great too {GO PSD})
 
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Old Apr 27, 2006 | 03:01 PM
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jtharvey
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From: Columbia, MO
It may not actually be any louder in the first 2 gears, but by the time you hit 3rd, wind and tire noise is beginning to drown out the engine noise. But, if you're sure it's louder, it may be the transmission that is causing the noise.
 
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Old Apr 27, 2006 | 03:45 PM
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From: madera
Maybe the trans because i just had it rebuilt a couple of months ago,but i dont know if it did it before i had the tow 'tugger' shift kit put in it. It is the motor because when you come to a stop and it down shifts in to 2nd it gets louder, but its the same at idle too so how could it be the trans then? maybe grinding?? God hope NOT!!!!
 
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Old Apr 27, 2006 | 04:34 PM
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Are you running under same load when going to 3rd, most the time I usually am about 30-35 when in 3rd and not much throttle.
 
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Old Apr 28, 2006 | 02:16 PM
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From: madera
No load it just its normal clatter that a little loud and at about 30-35 mph it shifts into 3rd and she is real quiet i just dont know if its normal
 
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Old Apr 28, 2006 | 10:38 PM
  #6  
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hink10
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From: Coal Valley, Illinois
Originally Posted by CSSuperDuty
No load it just its normal clatter that a little loud and at about 30-35 mph it shifts into 3rd and she is real quiet i just dont know if its normal
I've have had a similar issue. The injector noise seems to be worse at mid throttle when accelerating. In my case, I found I have a long lead #8 injector that was used to "fix" the cackle problem. After I modified the fuel system, the LL injector was no longer needed and it caused more noise. I am replacing it tomorrow, hope it helps. I know Kwik had a similar problem, he replaced his injectors and I understand it's much quieter. Might just be your injectors getting worn. Have you done the pre-pump or any other fuel mods? If have a bunch of air going through the injectors, this might account for increased noise also. Just a thought.
 
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Old Apr 29, 2006 | 09:04 AM
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From: madera
Yeah i have done the pre-pump, so i guess its time to change the rest of the fuel system.
 
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