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

egt too high?

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Old May 4, 2012 | 03:12 PM
  #1  
trentowens92's Avatar
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From: weeksville n.c.
Default egt too high?

Hey if I have done some pump tuning and put a governer spring and denny t,would my egts be too high?I was gonna order gauges and the fuel pin and spring,but don't wanna waste money on the pin if I wouldn't be able to use it right now.
 
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Old May 4, 2012 | 03:13 PM
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If you keep your foot out of it you will be okay. But yes if you put the pedal to the metal your EGTs will jump up.
 
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Old May 6, 2012 | 11:37 AM
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Simply put, fuel+load=heat.
Get the gages first and watch what they do. You will soon see what causes your EGT to rise and fall. When you start making changes, keep notes. And make 1 change at a time.
 
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Old May 13, 2012 | 08:51 AM
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ok..well here in the next week or two ill be getting my egt and boost gauges to keep a eye on things.from there ill see what i gotta do.
 
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Old May 13, 2012 | 11:15 AM
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Look into a fuel pressure gauge also. Mine will suck the lift pump down to 0psi easy if I dig into it. Need to install my electric pump.
 
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Old May 26, 2012 | 10:45 AM
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my egts never exceed 900 (post turbo) under full 1/4 mile passes, ive got an hx35 and about everything you can do to the pump denny t stage 2 pin and 4k gov spring included
 
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Old Jun 2, 2012 | 10:16 AM
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Im afraid mine are too high I peg a 1600 degree pyri takin off
 
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Old Jun 3, 2012 | 05:45 PM
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(Cummins12club) have you turned in your fuel screw??? 900 on an hx35 at wot must not have enough fuel....even with stock injectors mine would reach 1300

Sent from my SCH-R760 using Tapatalk 2
 
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Old Jun 5, 2012 | 03:26 PM
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ya 900 seems way too low. mine will hit 1750 before i let off
 
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