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General Diesel Tech Farm equipment, Medium Duty, Big Rigs, and other General discussion can be found in here. |
04-05-2007, 01:41 AM
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#1
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Name: Santa Gertrudis
Title: 6.4LTTFMF
Status: Not Here
Join Date: Dec 2006
Location: San Marcos, Texas
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Posts: 3,918
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Can someone explain why...
the different diesel engines from the big 3 sound so different. I mean, when you add an exhaust to a Cummins, it ROARS. When put one on a PSD, it sounds like a jet. When you put one on a DMax, its kind of a combo of both. Why are they so different sounding? I would just think that all diesels would sound somewhat the same, but they are like huge differences. Sorry if this is a stupid question, but I just dont know. Thanks
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2010 F-250 CC SB 4x4
It's got a chip in it
Deranged Performance
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04-05-2007, 01:45 PM
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#2
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Name: joefarmer
Title: MR. Supreme Overlord
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Join Date: Jul 2006
Location: ohio
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Posts: 6,137
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I would guess it's the injection events and bore&stroke differences, but I'm not sure. The injection events have varying amounts of pressure, cc's of fuel and timing. The engines also have resonant frequencies (harmonics), but I don't know how much that effects the sound. The turbo has as much to do with it as anything. The jet-sounding fords (and 04.5+ dmaxes) have their turbo vanes closed at idle, forcing more air through the turbine wheel. There's my shot at it. Hopefully someone more knowledgeable comes along to fix my mistakes.
brnaodn.
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brandon'); DROP TABLE Users;--1948 Dodge 1.5t 12v RH swap | 99 F250 12v RE test rkt | 11 X5 'no soup' | 08 F250 CR RE swap | 05 2500 CR 68 standalone
firepunk.com
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04-05-2007, 03:06 PM
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#3
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Name: DieselMissy04
Title: Learning!
Status: Not Here
Join Date: Nov 2006
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Posts: 132
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i like this question! i always wondered why dodges sound so amazing :-) just playin.
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Real Girls Drive Cummins
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04-05-2007, 03:13 PM
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#4
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Name: JD Dearden
Title: Too Much Time
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Join Date: Jan 2007
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Posts: 3,193
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Just the design of the engine, turbo, and injectors and so on.
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04-05-2007, 03:15 PM
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#5
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Name: oldschoolPSD
Title: My Trucks are Obsolete
Status: Not Here
Join Date: Jul 2006
Location: Davidsonville, MD
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Posts: 891
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Mine sounds like a V8 Mack
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Sold the PSD
Sold the First Gen
On the prowl for a std cab dually to build a buck nasty welding truck
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04-05-2007, 03:18 PM
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#6
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
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Posts: 11,974
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For starters...the Cummins is an inline 6, the others V8's...the 6 is a lot smoother running engine, hence the sound isn't as choppy. Brandon's take on the turbo's s correct on the newer engines. And the injection system differences account for the different sounds from the older engines!
IMHO,
Chris
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THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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04-05-2007, 03:19 PM
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#7
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
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Posts: 17,369
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I think the sound of a 2 stroke 4cyl Detroit with dual 6" unmuffled stacks sounds awesome.....
But I love the sound of the Cummins better.
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04-05-2007, 03:21 PM
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#8
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Name: JD Dearden
Title: Too Much Time
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Quote:
Originally Posted by RacinDuallie
I think the sound of a 2 stroke 4cyl Detroit with dual 6" unmuffled stacks sounds awesome.....
But I love the sound of the Cummins better.
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You ever heard one with 7" stacks and no muffler?
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04-05-2007, 03:21 PM
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#9
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
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Posts: 11,974
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Quote:
Originally Posted by RacinDuallie
I think the sound of a 2 stroke 4cyl Detroit with dual 6" unmuffled stacks sounds awesome.....
But I love the sound of the Cummins better.
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Got a 4-53 with a 3-1/2" straight on it...sounds like an airplane coming down the road at WOT!
Chris
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THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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04-05-2007, 03:26 PM
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#10
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
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Posts: 17,369
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04-05-2007, 03:46 PM
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#11
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
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Posts: 11,974
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Dude...a 4-53 with Jakes?? That would be FUN on a tractor Wrap it up pulling a load of beans across the field and hit the jake and listen to hit rumble
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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04-05-2007, 03:48 PM
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#12
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
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Posts: 17,369
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__________________
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04-05-2007, 04:19 PM
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#13
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
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Posts: 11,974
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Sweet!
We use that tractor on an auger filling trucks and bins... not too mention every other thing we farm with is straight piped too... good thing we don't like the neighbors anyway
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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05-01-2007, 12:20 PM
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#14
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Name: JJeepyjohn
Title: Make Me Fries
Status: Not Here
Join Date: Apr 2006
Location: Murfreesboro TN
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Posts: 3,807
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Quote:
Originally Posted by oldschoolPSD
Mine sounds like a V8 Mack
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Sorry, only a Mack sounds like a Mack..
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Full Force Diesel Stage 1 Injectors
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1999 Dodge 2500 QC 2wd
COMPETITIONDIESEL.COM
1998 Ranger Interceptor 6BT
FIREPUNK Golden Nugget Competition Stage1
DPC Billet Triple Disc Converter
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