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

How big of gains can I see with a different I/C?

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Old Mar 8, 2012 | 09:27 AM
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98cummins's Avatar
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From: Cummings NorthDakota
Default How big of gains can I see with a different I/C?

How much better wil I see out of my 92 if I ugrade to the P/S I/C and larger tubes? I already have the HX35W on the truck as well as a DennyT stage 2. Pump has been bumped and star wheel is maxed. I pulled in a pull on Tuesday but had to run up against all 3rd Gen trucks and was rather embarrassed as they put me in the Mod class for my turbo and fuel pin. I guess what I am saying is if they are gonna continue doing this I want to bring something to the table. I have an ajustable boost elbow too so I could change that to 32 and a Torque converter is in the plans for this summer. What else is low budget to make it better? Someone mentioned water/Methenol injection? What is anyones thoughts on this? Any and all input is appreciated. Thanks guys!!
 
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Old Mar 8, 2012 | 10:58 AM
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You could see as much as 50*-100* drop in EGT's but thats about the only gain
your gonna see.

you mite also see a drop in boost preshure, less restriction.

Dar
 
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Old Mar 8, 2012 | 02:12 PM
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I agree with most of that, 50-100*, lower over all boost but your turbo will spool a little sooner and your MPG's should come up a bit
 
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Old Mar 8, 2012 | 05:45 PM
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My grandaughter was sitting on my lap when i typed that or i mite have said, .5-1mpg better in an ideal situation.

Dar
 
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