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TruCool in Cold Weather

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Old 04-22-2010 | 11:59 PM
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Originally Posted by fastnblu
So, is there a minimum coolant temp that PCM says, "Uh uhh, no lockup for you?"
Yes...not sure what it is exactly...something like 137*?

Ya know MrGoodwrench3 is correct...not sure why lockup became a concern, I'm more concerned with possible premature wear or damage due to fluid not getting it's optimal operation temp...
Old 04-23-2010 | 12:04 AM
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Originally Posted by budhayes3
Yes...not sure what it is exactly...something like 137*?
So, at 140* & engine oil up to operating temp, I can unless the beast w/in of a 15 sec truck.
Old 04-23-2010 | 12:36 AM
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Huh?

You smart fellers with tuning software can adjust the temp at which the PCM allows lock up, but I think that the General knew what they were doing when they put those parameters in there
Old 04-23-2010 | 01:11 AM
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well i went back and searched around for what i thought i read, and i did see the mention of pcm not allowing lockup until 75* trans temp. so im under the impression that you may control the lockup thru coolant temps, but if the trans isnt up to temp lockup will not happen is all i was trying to say.
but all that is irrelevant since you said your not worried about lockup, just operating temps in general. guess i just got curious in the matter..
Old 04-23-2010 | 05:31 AM
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Billy, u by chance need a cold weather bypass? I know someone that may sell you 1. Maybe a 40K cooler too.
I guess the guy knows you or somethin.
Old 04-23-2010 | 10:49 AM
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Billy, maybe you could try setting it up with a valve so that you could select radiator heating at your choosing.
Old 04-23-2010 | 12:17 PM
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Originally Posted by fastnblu
Billy, u by chance need a cold weather bypass? I know someone that may sell you 1. Maybe a 40K cooler too.
I guess the guy knows you or somethin.
Nah, I think that guy's gonna need it...he should really run with it instead of changing it up, just my .02

Originally Posted by Z'06
Billy, maybe you could try setting it up with a valve so that you could select radiator heating at your choosing.
That would be pretty trick, but I think that I'm just going to run with it as is...since I've made all of these TruCool threads, I guess that I should take some pics when I install it huh
Old 04-23-2010 | 01:27 PM
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He plans on running w/. it. Too bad his buddy abandoned his plans & said hey, I'm not running that, after 10 TruCool threads.
I'm sure you'll be pic whoring.
Old 04-23-2010 | 10:18 PM
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Originally Posted by fastnblu
He plans on running w/. it. Too bad his buddy abandoned his plans & said hey, I'm not running that, after 10 TruCool threads.
I'm sure you'll be pic whoring.
Sorry to leave you hanging out to dry bro...you could always sell the bypass and go the route I'm going You already have the factory cooler, just need the Time2Kill install kit...

...and yea, I will definitely be whoring it up with pics
Old 04-23-2010 | 10:36 PM
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Originally Posted by budhayes3
Sorry to leave you hanging out to dry bro...you could always sell the bypass and go the route I'm going You already have the factory cooler, just need the Time2Kill install kit...

...and yea, I will definitely be whoring it up with pics
Like this?


Last edited by fastnblu; 04-24-2010 at 12:56 AM. Reason: Resized.



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