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Old Mar 6, 2008 | 11:27 PM
  #46  
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Mine probably used to do that too!
 
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Old Mar 7, 2008 | 08:14 AM
  #47  
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Originally Posted by superduty4x4
Does the 3" PVC fit tight inside the filter? I thought it needed to be 4" OD, and the PVC and ABS I found in town was NOT 4" OD.
Chase, the 3" pvc dwv coupling fit just right, there is a little bump on one end of the coupling that needs to be ground down to make it smooth. They are cheap to buy.
 
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Old Mar 7, 2008 | 08:18 AM
  #48  
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It's a shame some of y'all have to use a 3" reducer, you're cutting down 25% of the flow doing that.
 
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Old Mar 7, 2008 | 09:52 AM
  #49  
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Okay, now I smell what you're stepping in Rick- you used a straight coupler for 3" pipe in order to get the 4" OD needed... wish I had thought of that while I was in town yesterday! I'm going to call a local tire shop today to see if they have any 4" tubing laying around, if not my exhaust will be here today hopefully and I should have some leftovers. Hopefully my gauges will be here today or tomorrow too
 
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Old Mar 7, 2008 | 09:56 AM
  #50  
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Originally Posted by Markadeck
It's a shame some of y'all have to use a 3" reducer, you're cutting down 25% of the flow doing that.
The outside of the 3" coupling is 4".
 
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Old Mar 7, 2008 | 10:05 AM
  #51  
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From: Charlotte-Fairbanks-Bflo
Originally Posted by miller_feed
The outside of the 3" coupling is 4".
Try an interesting experiment. Get 2 one inch water hoses, say 10 feet long. cut one in half and put in a 3/4 inch 6" long piece of copper. then get a 5 gallon jug and see which one fills up faster. You'll be amazed at the results. I learned this from my street racing days when dealing with exhaust diameter's.
 
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Old Mar 7, 2008 | 10:47 AM
  #52  
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will one of these filters work good on a gas 460 too?
 
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Old Mar 7, 2008 | 10:50 AM
  #53  
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Originally Posted by Mat J
will one of these filters work good on a gas 460 too?
Ya got me. Post a photo of your engine compartment and let us look at it.
 
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Old Mar 7, 2008 | 11:08 AM
  #54  
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I understand what you are saying Mark. Look at where the intake hose goes into the turbo. It is smaller then 4". I don't think my engine is starving for air.
 
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Old Mar 7, 2008 | 11:10 AM
  #55  
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Originally Posted by Mat J
will one of these filters work good on a gas 460 too?
Not likely since the 460 has the twin intake tubes, though I don't remember if it's a single piece at the airbox anymore.
 
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