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

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  #1  
Old 08-09-2011, 01:50 PM
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If i have a none i/c 12 valve do i want a 16cm exhaust housing or a 12cm exhaust housing
 
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Old 08-09-2011, 05:31 PM
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The 12 is good if you have a 5 speed. Get the 16 if its an auto. You only need to spool it once with an auto and it breathes better at higher rpm.
 
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Old 08-09-2011, 08:16 PM
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Good advoce there.
 
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Old 08-09-2011, 10:38 PM
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The 16 is soooo laggy from a standstill though. But it is better at high rpm's.
 
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Old 08-09-2011, 11:33 PM
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How bout a 14?

---AutoMerged DoublePost---

Originally Posted by white93
?..Get the 16 if its an auto....

His sig line suggests automatic "...3-gauge pod..." including trans temp. Not a guarantee, but, I'd bet 38cents on an A-518 in there
 

Last edited by geddy's uncle; 08-09-2011 at 11:33 PM. Reason: Automerged Doublepost
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Old 08-10-2011, 01:11 AM
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Not if its a 1989 it would have a 727
 
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Old 08-10-2011, 02:45 PM
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His sig line suggests automatic "...3-gauge pod..." including trans temp. Not a guarantee, but, I'd bet 38cents on an A-518 in there[/QUOTE]

I was thinking auto myself but I have a getrag and have a temp gauge too.
 
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Old 08-10-2011, 04:43 PM
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Im confused it would be a 727 auto unless he changed to overdrive which didnt come out until I think 91.
 
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Old 08-10-2011, 06:33 PM
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It probably is a 727. I meant to quote just the part about the trans temp gauge but messed it up somehow.
 
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Old 08-13-2011, 01:50 PM
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So how are the 14cm's with the automatic?
 
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