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5.9L CR Performance Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection Related To Performance And Longevity

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  #31  
Old 05-24-2017, 11:02 PM
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Did that change after you changed your thermostat? You might of had a bad one.
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  #32  
Old 05-25-2017, 08:23 PM
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Quote:
Originally Posted by Blue5.9L View Post
I am seeing 10* cooler engine temperature. Now it hovers around 200*; beforehand it was 210* or the mid-teens.
you want cooler temps? My temps never get to 200 empty- add an aux fan on the front - your ac will blow ice also
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  #33  
Old 08-12-2017, 07:08 PM
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Fellas, we moved from West coast to East coast - so its been a few months. The great thins about this is I put thousands of miles under the hood since last posting. That being
said, I did not change my driving style but gained a few MPGs from the mods. Bottom line, I feel the mods gained me about 5 MPGs, or a 131%.
Here are the stats:
Distance Type of driving (?) Gals MPGs
377 HWY, +2000LB load 17g 22.2
353 No change 18g 19.6
178 No change 8g 22.3
432 No change 21g 20.6
449 No change 22g 20.4
340 No change 16g 21.25
121 No change 6g 20.2
273 City, No load 12g 22.75
350 City. No load 17g 20.6
270 City, No load 16g 16.9 This anomaly has my attention too- poor mileage is possibly due to time in the shop and testing to fix a death wobble

I am very happy with the overall increase in MPGs from the mods. Yep, I still drive like great-grandma, but this is a consistency - not a new variable.

Your insights over the past months have my attention now - - I look forward to additional mods. The 25 MPG goal is on the horizon.

Thank you for your time and feedback!

Last edited by Blue5.9L; 08-12-2017 at 07:17 PM.
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  #34  
Old 08-17-2017, 09:49 PM
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What did you decide to do for the death wobble fix? Upgrade stabilizer, box brace, or both?
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  #35  
Old 08-18-2017, 04:20 AM
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We replaced the stabilizer and tie rod arms. Initially, I focused on the stabilizer, but then realized the tie rod arm needed fixing as well.
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  #36  
Old 08-18-2017, 04:25 AM
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Quote:
Originally Posted by CumminsCoalRoller24/7 View Post
you want cooler temps? My temps never get to 200 empty- add an aux fan on the front - your ac will blow ice also
My truck's engine temp does rise and the AC is less than well in stop and go city traffic; no problems on regular driving. What make/model of aux fan did you install? And perhaps an engine picture for us to see where you placed yours. Thanks
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  #37  
Old 08-20-2017, 08:18 PM
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17" spal slim fan- it's a puller style and is about 1.5" thick. Power plug and fan was $80 on amazon. I was able to mount this on top of the ac condensor without having to adjust my hood latch. For power I tapped into my ac compressor power wire so it only engages when then ac is running.

Ill have to dig up a pic- I recently removed it when I upgraded my intercooler. The new one is thicker and couldn't sneak in it without majorly tweaking my hood latch.
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