1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Clocking the transfer case...?

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Old Feb 5, 2010 | 08:56 PM
  #11  
smokin_93_cummins's Avatar
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Yea a hood stack would work. I dont know if any one has an adapter for it but I had thought before about puttin a ford 205 and dana 60 front axle under my dodge so it would drop on the drivers side and you could run whatever exhaust you want
 
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Old Feb 6, 2010 | 12:01 PM
  #12  
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Originally Posted by 93_Fummins
I'm running 10"-12" lift total, but the issue isn't driveline angle as much as it's making room for bigger exhaust without having to mount the engine/tranny all the way over to the driver side. See, the Fords were designed for everything to favor the passenger side and the t-case to drop on the driver side. I'm fighting the doghouse and crossmember design by trying to favor the driver side and leave room for the t-case AND a monster exhause on the passenger side. If I could clock the t-case a bit, I could potentially make room for 5" exhaust while still keeping the engine as centered as possible. It was an idea anyway. I guess I could always just make things easy and cut a hole in the hood for a stack, eh?
In all reality there is no NEED for 5" exhaust, If you WANT it thats different, but you wont make any more power with it.
 
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Old Feb 6, 2010 | 12:12 PM
  #13  
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i cant imagine having 5" exhaust either. my 4" flows way good and its sooo loud already im going to put a muffler on it. with my radiator all the way up, if im on the throttle i cant hear my cd player the slightest bit
 
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Old Feb 6, 2010 | 01:28 PM
  #14  
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I wish I could adjust the volume on my radiator...


























 
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Old Feb 6, 2010 | 02:51 PM
  #15  
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Originally Posted by RSWORDS
In all reality there is no NEED for 5" exhaust, If you WANT it thats different, but you wont make any more power with it.
Agreed. However, I wasn't worried so much about power gains as much as backpressure on twins. Will it affect backpressure or spooling much if you neck down the 5" outlet on an HT3B to a 4" exhaust? I figured just run it out all 5", which is why I was looking for room...
 
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Old Feb 7, 2010 | 06:19 PM
  #16  
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he has a point a lot of twin kits come with a 5" down pipe, but i don't know how much it would effect flow or anything... i know my 4" really helped a lot on spool up time.
 
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Old Feb 7, 2010 | 07:39 PM
  #17  
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Alot come with 5" DP's because the large turbos they use have 5" flanges. You should not see a difference. 5" is HUGE as far as flow goes... Overkill...
 
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Old Feb 7, 2010 | 07:51 PM
  #18  
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but then why would you want to neck down the secondary turbo to 4", why wouldn't you just ask for a 4" outlet on the secondary turbo if 5" is too much flow?
 
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Old Feb 7, 2010 | 10:26 PM
  #19  
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Originally Posted by RSWORDS
I wish I could adjust the volume on my radiator...


























i meant radio hahaha my bad
 
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Old Feb 7, 2010 | 11:34 PM
  #20  
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Originally Posted by RSWORDS
Alot come with 5" DP's because the large turbos they use have 5" flanges. You should not see a difference. 5" is HUGE as far as flow goes... Overkill...
So, there won't be an issue if I just adapt my 4" downpipe to the 5" flange on an HT3B or other big secondary?
 
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