My chirpy exhaust... - Ford Powerstroke Diesel Forum
 
LinkBack Thread Tools Display Modes
post #1 of 4 Old 04-16-2013, 09:33 PM Thread Starter
Compression Ignition Addict
 
Join Date: Feb 2012
Posts: 181
Thanks: 1
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
My chirpy exhaust...

....that tensioner-bearing that I thought needed replacing? As it turns out, it isn't the tensioner....it's the exhaust!
Since upgrading to the 3" DP, it seems that my exhaust has become a bit "chirpy". The noise is definitely coming from the exhaust system...just a bit forward of the transmission and at start-up (when the engine is cold) has a bit of a "ring" to it.
Is this normal....could it just be the exhaust resonating in the pipe? It is a DIAMOND EYE, so it isn't "cheap" although I got the aluminized one instead of the stainless version.

Anyone else experience anything like this?

97 F250 PSD...6637 Filter upgrade...3" Diamond Eye DP...DFuser EBPV eliminator...Improved "Blue" CPS...
Qwazert is offline  
post #2 of 4 Old 04-17-2013, 09:19 AM
BANNED by Kris
 
BigFuel's Avatar
 
Join Date: Oct 2011
Location: Pasadena, CA
Posts: 6,200
Thanks: 51
Thanked 112 Times in 104 Posts
Mentioned: 0 Post(s)
Quoted: 34 Post(s)
Feedback Score: 0 reviews
My truck on first fire of the day idles rough for a minute or two and then smooths out. With a face shield on have someone start the truck while you are under it looking up at the downpipe where it bends around the firewall to see if it's rubbing on the pinchweld. If it's not coming from there loosen the V-Band clamp where the pipe meets the turbine housing (More like the EBPV adaptor) and separate the pipe from the adaptor. Does it look like the downpipe is slightly twisting on the adapter? If so a new V-Band clamp _might_ help but if not you may need to loosen the whole downpipe and see if it will settle into a better position. Tighten back up and see if the squeak goes away.

Matt
-'97 Mini Monster
-Bean's: 160/100 (FF Injectors), 2/ 6-POS chips (TW & Beans tunes), Overboost controller, E-Fuel
-BANKs: downpipe, full exhaust, gauges, intercooler
-Irate: T-4 kit, IC pipes, 3" Irate Plenums, BASB Turbo
-Stage II trans.
-Mag-Hytec trans. and pumpkin covers
-6637, CCV, IDM, 6.0 Fan, 49-Federal PCM swap, MAP line Mod
-370 Amp alt., 40k trans cooler, ADRENALINE PUMP
-twin on-board air w/ 10 gal. tank

-'15 F350 6.7L DRW 4x4

Re-pinning '97 Cali PCM to Federal
BigFuel is offline  
post #3 of 4 Old 04-17-2013, 07:56 PM Thread Starter
Compression Ignition Addict
 
Join Date: Feb 2012
Posts: 181
Thanks: 1
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Spent a few minutes underneath tonight, after starting it for the first time today...and there is NOTHING rubbing, touching or impinging on anything else.

Funny thing too...it starts out "normal" and then starts ringing after a few minutes and the ringing is coming directly from the pipe. Hard to pinpoint exactly where, but it is definitely emanating from the exhaust system AFTER the DP.

Weird....

97 F250 PSD...6637 Filter upgrade...3" Diamond Eye DP...DFuser EBPV eliminator...Improved "Blue" CPS...
Qwazert is offline  
post #4 of 4 Old 04-17-2013, 08:03 PM
BANNED by Kris
 
BigFuel's Avatar
 
Join Date: Oct 2011
Location: Pasadena, CA
Posts: 6,200
Thanks: 51
Thanked 112 Times in 104 Posts
Mentioned: 0 Post(s)
Quoted: 34 Post(s)
Feedback Score: 0 reviews
So you think you hear it after the down pipe? Do you still have the stock Cat and muffler? Unbolt the cat from the rest of the exhaust and start again. If the sound goes away then it's in the loose pipe. If it continues then its in the cat.

Matt
-'97 Mini Monster
-Bean's: 160/100 (FF Injectors), 2/ 6-POS chips (TW & Beans tunes), Overboost controller, E-Fuel
-BANKs: downpipe, full exhaust, gauges, intercooler
-Irate: T-4 kit, IC pipes, 3" Irate Plenums, BASB Turbo
-Stage II trans.
-Mag-Hytec trans. and pumpkin covers
-6637, CCV, IDM, 6.0 Fan, 49-Federal PCM swap, MAP line Mod
-370 Amp alt., 40k trans cooler, ADRENALINE PUMP
-twin on-board air w/ 10 gal. tank

-'15 F350 6.7L DRW 4x4

Re-pinning '97 Cali PCM to Federal

Last edited by BigFuel; 04-17-2013 at 08:13 PM.
BigFuel is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome