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| LLY GM Duramax Discussion of the 2nd Generation Duramax and Gm truck |
05-13-2021, 03:17 PM
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#1
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Name: bobzilla
Title: Rookie
Status: Not Here
Join Date: May 2021
Location: florence sc
Member`s Gallery
Posts: 4
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lly over heat
during the winter i dont have this issue but when it gets warm my lly while loaded will run hott on the hwy if above 60 i also noticed the fan would cut off at higher speeds ive already changed the thermostats and cleaned the cooling stacks any ideas
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05-13-2021, 06:45 PM
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#2
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Name: TheBac
Title: UPS guy
Status: Not Here
Join Date: Oct 2009
Location: Mid Michigan
Member`s Gallery
Posts: 2,344
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Lbz turbo mouthpiece, then aux cooler
Those were the old school things people did when confronted with that issue.
Lots of old threads to read about it on the Place or DF, too.
Sent from my SM-G986U using Tapatalk
__________________
Tom
"BBT" -- 2003 GMC CC/SB 4x4 12.14@111.15
"KLESHAY" -- 2000 C5 Corvette -- the toy 
2017 Buick Regal 2.0T -- the DD
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05-14-2021, 07:05 AM
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#3
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Name: bobzilla
Title: Rookie
Status: Not Here
Join Date: May 2021
Location: florence sc
Member`s Gallery
Posts: 4
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i have the sb mouthpiece on it now but i do have a whole lbz motor i can rob parts if need
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05-14-2021, 01:14 PM
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#4
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Name: JWhite
Title: Trained monkey
Status: Not Here
Join Date: Aug 2009
Location: F Burg Ohio
Member`s Gallery
Posts: 1,817
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New fan clutch
Are you towing with a tune or stock power?
__________________
GMC with a LiLLY
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05-14-2021, 01:30 PM
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#5
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Name: TheBac
Title: UPS guy
Status: Not Here
Join Date: Oct 2009
Location: Mid Michigan
Member`s Gallery
Posts: 2,344
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Quote:
Originally Posted by JWhite
New fan clutch
Are you towing with a tune or stock power?
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Kennedy fan clutch?
Sent from my SM-G986U using Tapatalk
__________________
Tom
"BBT" -- 2003 GMC CC/SB 4x4 12.14@111.15
"KLESHAY" -- 2000 C5 Corvette -- the toy
2017 Buick Regal 2.0T -- the DD
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05-14-2021, 01:36 PM
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#6
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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Quote:
Originally Posted by JWhite
New fan clutch
Are you towing with a tune or stock power?
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We see that a lot.
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05-14-2021, 05:03 PM
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#7
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Name: TheBac
Title: UPS guy
Status: Not Here
Join Date: Oct 2009
Location: Mid Michigan
Member`s Gallery
Posts: 2,344
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Quote:
Originally Posted by Snedge
We see that a lot.
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You work on duramaxes, too? Never knew that....
Sent from my SM-G986U using Tapatalk
__________________
Tom
"BBT" -- 2003 GMC CC/SB 4x4 12.14@111.15
"KLESHAY" -- 2000 C5 Corvette -- the toy
2017 Buick Regal 2.0T -- the DD
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05-15-2021, 07:35 AM
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#8
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Name: JWhite
Title: Trained monkey
Status: Not Here
Join Date: Aug 2009
Location: F Burg Ohio
Member`s Gallery
Posts: 1,817
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Quote:
Originally Posted by TheBac
Kennedy fan clutch?
Sent from my SM-G986U using Tapatalk
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Would be a good idea. I think his come on at a lower temp? I bought a Hayden for mine, I'd have to look the number up but I thought it was supposed to come on a bit sooner
__________________
GMC with a LiLLY
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05-15-2021, 07:46 PM
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#9
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Name: Empty_Pockets
Title: Undercover Epa agent
Status: Not Here
Join Date: Oct 2016
Location: Va wv line
Member`s Gallery
Posts: 870
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Hayden 2886 is the kodiak fan clutch. 2850 is the hayden stock replacement. The 2886 will kick on around 190 195
__________________
NIC R
Too many trucks
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05-16-2021, 11:27 AM
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#10
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Name: JWhite
Title: Trained monkey
Status: Not Here
Join Date: Aug 2009
Location: F Burg Ohio
Member`s Gallery
Posts: 1,817
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Mine ended up being a Hayden 2843. Ordered it though Rock Auto, it's just listed as severe duty
__________________
GMC with a LiLLY
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05-16-2021, 06:02 PM
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#11
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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Quote:
Originally Posted by TheBac
You work on duramaxes, too? Never knew that....
Sent from my SM-G986U using Tapatalk
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Whoops. Secrets out.
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