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DieselPerformanceGuy 12-28-2009 09:07 PM

Cool Down?
 
hey all,

when i put my truck in park and wait for the egt's to go down ,they hardly don't. Tonight i waited for about 5-6 minutes for it to get below 400*. is there anyway to these down faster, especially since it's colder i'd think they would go down faster.

thanks for the help. :tu:

Whit 12-28-2009 09:16 PM

I dont go by temps, if I was driving no load then I just give it one minute...............when I tow I do a few minutes

RSWORDS 12-28-2009 09:27 PM

What whit said. Whats your Idle RPM? When mine was up above 800rpm it would never cool down below 400 or so.

DieselPerformanceGuy 12-28-2009 09:29 PM

its at about 800-850

jasonfriedlin 12-28-2009 09:32 PM

Where is your temp probe located? Pre turbo you get much faster temp changes than post turbo from what I've noticed. Biggest thing is just givin the turbo time to spool down

tltruckparts 12-28-2009 09:55 PM


Originally Posted by DieselPerformanceGuy (Post 460107)
its at about 800-850

isnt that pretty high for an idle?

mine idles at 6-650 and mine idles right around 400 degrees

ArizonaRedneck 12-28-2009 10:08 PM

i dont even have gauges yet and i always let it idle 1 to 2 mins just a good habit to get into especially stock and high mileage engines almost 300 k still stock

DieselPerformanceGuy 12-29-2009 12:26 AM


Originally Posted by tltruckparts (Post 460142)
isnt that pretty high for an idle?

mine idles at 6-650 and mine idles right around 400 degrees

no i'm pretty sure 750-800 rpms are stock, but don't hold me to it. Plus my torque convertor is sh!t, when i put it in gear, the tach goes from about 800 down to like 550, 600 degrees.

---AutoMerged DoublePost---


Originally Posted by jasonfriedlin (Post 460116)
Where is your temp probe located? Pre turbo you get much faster temp changes than post turbo from what I've noticed. Biggest thing is just givin the turbo time to spool down

its mounted pre turbo, and yea it's not just about letting spool down, its about letting the oil circulate through the journal bearings too.

jasonfriedlin 12-29-2009 09:48 AM


Originally Posted by DieselPerformanceGuy (Post 460235)
no i'm pretty sure 750-800 rpms are stock, but don't hold me to it. Plus my torque convertor is sh!t, when i put it in gear, the tach goes from about 800 down to like 550, 600 degrees.

---AutoMerged DoublePost---



its mounted pre turbo, and yea it's not just about letting spool down, its about letting the oil circulate through the journal bearings too.

The oil is circulating as long as the engine is running, but if you shut it down with the turbo still spinning 10,000 rpms the oil isnt circulating anymore and thats what causes the problems with the turbos

DieselPerformanceGuy 12-29-2009 12:30 PM

o ok so its both letting it spool down and get oil circulation.


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