Exhaust question - Diesel Truck Forum - TheDieselGarage.com
Thread Details Posted by N/AF-350, this thread has received 1 replies and been viewed 1279 times.

 
LinkBack Thread Tools Display Modes
post #1 of 2 (permalink) Old 11-06-2013, 04:05 AM Thread Starter
Formerly Powerstrokin350
 
Join Date: Nov 2011
Location: Orangevale
Posts: 9
Points: 50,161
Thanks: 1
Thanked 0 Times in 0 Posts
Exhaust question

Quick question, I was wanting to put stacks on my '93 7.3IDI and was wondering should I pull from the Y pipe into a 4" or what if I ran true duals into their own stack? Could running duals cause problems, and if not what size should I run with duals?
Thanks y'all haven't let me down yet.
N/AF-350 is offline  
Sponsored Links
Advertisement
 
post #2 of 2 (permalink) Old 11-06-2013, 05:55 PM
Stuck in Commiefornia...
 
IdahoF350's Avatar
 
Join Date: Dec 2008
Location: Clearfield, Utah
Posts: 1,296
Points: 81,520
Thanks: 102
Thanked 447 Times in 315 Posts
Garage
You can run true duals as long as you run a balance pipe, either an H-pipe or an X-pipe will work. At that point they would balance out and sound good. Now, assuming you we're going to run 2.5" dual piping into the stacks, the other option would be to consider using a Y-pipe. Running 2.5" from the manifolds into a good quality manufactured Y-pipe from someone like Flowmaster or Magnaflow, and into a single 3.0" system will provide the pressure balance to the exhaust you need to get even flow from all the cylinders.

Another reason I bring the Y-pipe up is about 20 years ago when I was still building my knowledge base of things automotive, I did some rather extensive testing of exhaust systems for trucks used for towing. I fouls that with stock manifolds 2.25" or 2.5", whichever fit the manifold best, merged into a good Y-pipe and run through a single 3.0" system produced the best torque. With headers the best was 2.5" into a Y-pipe and out 3.5" piping. Your 7.3IDI won't flow anywhere near the air volume of a 460 Ford or 454 Chevrolet, so the 3.0" would truly be best.

And at the same time, any single system will make make adapting an over the counter dual stack kit a whole lot easier.




Sent from AutoGuide.com Free App

The Current Truck (Oct-2013 to Present):
1999 (Early) F-350 Lariat, CCLB, SRW, Black/Tan

7.3L Powerstroke, 4R100, 4x4, 3.73, 37x13.50-18s, '05 Axle Swap, 6" Fabtech lift, GTP38 "D66" turbo upgrade, SCT 4-position chip with custom tuning by me, Straight Piped 4" down pipe through 5" dual stacks, N-Fab full length triple steps, Pro-Tech cab guard and tool box, louvered 5th wheel gate, Hella 500 Fog and Driving lamps, much more to come...
The one I'll miss, (Mar-2009 to Jan-2014):
2000 Excursion XLT 4x4

6.8L V-10, 4R100, 4.30, 285/75-18, 271whp / 388wtq
The one I won't, (Jul-2005 to Sep-2012):
2005 F-350 XLT, CCLB, SRW, 4x4 FX4

6.0L PSD, ZF-6S650, 3.73, 35x12.5-18, 4.5" Lift
IdahoF350 is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Diesel Truck Forum - TheDieselGarage.com 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










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



Similar Threads
Thread Thread Starter Forum Replies Last Post
exhaust question case_7010 2003-2007 6.0 Tuner Forum 4 07-03-2010 09:28 PM
one more exhaust question JYFarmer 2008-2010 6.4L Engine Tuner Forum 5 11-18-2009 01:17 AM
exhaust Question Hatchmaster 2003-2007 6.0L Power Stroke 14 09-15-2007 11:50 PM
Exhaust Question minturbo 5.9L Cummins (1998.5-2002) 2 10-12-2006 07:53 PM
Exhaust, or no exhaust... that is the question. MaverickUF 2003-2007 6.0L Power Stroke 33 09-11-2005 04:58 PM

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