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3/16 vs 1/4 return lines

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Old Apr 14, 2018 | 01:54 PM
  #1  
Dave042's Avatar
Dave042
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Mountain Pass
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From: Northeast Ohio
3/16 vs 1/4 return lines

Is there any benefit to having 1/4 inch return lines on a 7.3 idi? R&D has both the factory 3/16 and the 1/4. If it helps at all, I'll get the 1/4 I think it is the same price.
 
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Old Apr 14, 2018 | 02:36 PM
  #2  
mroth2008's Avatar
mroth2008
Tuned
Joined: Jul 2010
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From: Kitimat British columbia
7.3 were 1/4 and 6.9 3/16 thats why their is two sizes
 
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Old Apr 16, 2018 | 09:26 AM
  #3  
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typefour
Laughing Gas
Joined: Aug 2003
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From: Newberg Oregon
You should put on what the year requires as the tee at the rear of engine is the deciding factor
I also stock kits, same as r&d. But mine come with olives.
Pm me if interested
 
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Old Apr 16, 2018 | 08:38 PM
  #4  
85grey's Avatar
85grey
Mountain Pass
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i would recomend getting the olives. I didn't and had air intrusion that made a hell of a knock at idle.
 
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Old Apr 17, 2018 | 11:47 AM
  #5  
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Dave042
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From: Northeast Ohio
Originally Posted by 85grey
i would recomend getting the olives. I didn't and had air intrusion that made a hell of a knock at idle.
are the olives something that needs replaced periodically? They have never been replaced in this truck as far as I know.
 
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