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11-29-2016, 01:48 PM
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#11
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Senior Member
Join Date: Jan 2009
Location: Corvallis, OR
Posts: 5,300
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5.4/4r75 is good for 13,000 combined with the proper gearing (4.10 with 31" tires).
Glider - skip the Tru-Cool cold weather bypass. Mine didn't work, and others have reported the same. I overheated my transmission and had to do an emergency parking lot bypass of my bypass. I just block the grill now in really cold weather when I'm not towing.
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2000 E450 dually V10 wagon
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11-29-2016, 01:52 PM
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#12
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Senior Member
Join Date: May 2016
Location: Pacific NW
Posts: 601
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Quote:
Originally Posted by carringb
Glider - skip the Tru-Cool cold weather bypass. Mine didn't work, and others have reported the same. I overheated my transmission and had to do an emergency parking lot bypass of my bypass. I just block the grill now in really cold weather when I'm not towing.
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Yikes--thank you, carringb! I'll take your advice.
__________________
OMG, the Silver Streak is Sold!
2006 SMB EB45ish.
5.4L, QuadVan 4x4
Ready to Rumble!
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11-29-2016, 01:54 PM
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#13
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Senior Member
Join Date: Jan 2012
Location: Western North Carolina
Posts: 1,258
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Unless you live in a very very cold environment skip thermostat for a transmission cooler. I don't have one and my temperatures are always good. But I don't have your transmission I have a 4r100...
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Rob.
Current:
2001 E350 PSD w/ a bunch of stuff.
And had three other E350s...
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11-29-2016, 02:19 PM
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#14
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Senior Member
Join Date: Jul 2011
Location: Flagstaff, AZ
Posts: 2,001
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Another piece of low hanging fruit might be your roof rack Hard to tell but it looks like steel? There are much nicer aluminum racks on the market, including those with slats and what not for standing or photography. Could easily save 100lb or more of relatively expensive fruit to pick.
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2005 E350 RB 6.0 PSD for extended fun
1989 Landcruiser FJ62 for local fun
2011 VW TDI Golf for hwy fun
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11-29-2016, 02:39 PM
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#15
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Senior Member
Join Date: Jul 2013
Location: So Cal
Posts: 4,072
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Quote:
Originally Posted by Glider
Could you give me the specific Tru-Cool model number you used? I have a 4R75E, and I'm currently planning a 4x4 conversion. This might be a perfect time to install a Tru-Cool.
It looks like they have two 45,000 BTU models--the LPD4739, which includes a cold weather bypass, and the LPD47391, which does not. Which one did you choose?
Thanks-
Bianca
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I used the one without the cold weather bypass...since I'm in So Cal and rarely in cold weather. The bypass is a separate valve installed in the hoses and can be installed later if I feel I need it. It allows the trans fluid to bypass the cooler when it's cold......you typically want the trans fluid to reach at least 140 deg F so that condensation/moisture doesn't accumulate in the trans.
__________________
2008 E350 RB passenger 4WD SMB penthouse
2013 KTM 350 EXC
2008 KTM 250 XCF-W
2003 Honda Element
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11-29-2016, 02:41 PM
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#16
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Senior Member
Join Date: Jul 2013
Location: So Cal
Posts: 4,072
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Quote:
Originally Posted by JoeH
Another piece of low hanging fruit might be your roof rack Hard to tell but it looks like steel? There are much nicer aluminum racks on the market, including those with slats and what not for standing or photography. Could easily save 100lb or more of relatively expensive fruit to pick.
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Aluminess racks are what......around $40/lb??
__________________
2008 E350 RB passenger 4WD SMB penthouse
2013 KTM 350 EXC
2008 KTM 250 XCF-W
2003 Honda Element
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11-29-2016, 02:55 PM
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#17
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Senior Member
Join Date: Jul 2011
Location: Flagstaff, AZ
Posts: 2,001
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Quote:
Originally Posted by boywonder
Aluminess racks are what......around $40/lb??
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Expensive fruit for sure but I was thinking along the lines of Ujoint or the K9 rack from Equipt. Eezi-Awn K9 Expedition Roof Racks | Equipt Expedition Outfitters
More like $20/lb
Quote:
Originally Posted by boywonder
I used the one without the cold weather bypass...since I'm in So Cal and rarely in cold weather. The bypass is a separate valve installed in the hoses and can be installed later if I feel I need it. It allows the trans fluid to bypass the cooler when it's cold......you typically want the trans fluid to reach at least 140 deg F so that condensation/moisture doesn't accumulate in the trans.
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The Tru-Cool is has been one of the best mods to date on my rig. TFT went from consistently +200F to 165-175F as the new norm. I didn't even get it over 200F towing a trail loaded with rafting equipment over 7% Douglas Pass in CO last Sept.
__________________
2005 E350 RB 6.0 PSD for extended fun
1989 Landcruiser FJ62 for local fun
2011 VW TDI Golf for hwy fun
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11-29-2016, 03:03 PM
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#18
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Senior Member
Join Date: May 2016
Location: Pacific NW
Posts: 601
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Quote:
Originally Posted by boywonder
I used the one without the cold weather bypass...since I'm in So Cal and rarely in cold weather. The bypass is a separate valve installed in the hoses and can be installed later if I feel I need it. It allows the trans fluid to bypass the cooler when it's cold......you typically want the trans fluid to reach at least 140 deg F so that condensation/moisture doesn't accumulate in the trans.
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Thank you, boywonder! That is really helpful. Sounds like I should go for the cooler without the bypass paired with a trannie temp gauge. :-)
__________________
OMG, the Silver Streak is Sold!
2006 SMB EB45ish.
5.4L, QuadVan 4x4
Ready to Rumble!
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11-29-2016, 03:17 PM
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#20
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Senior Member
Join Date: May 2016
Location: Pacific NW
Posts: 601
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Quote:
Originally Posted by JoeH
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Thanks, that's helpful. It would be fun to come up with a bypass system using a simple electric solenoid-controlled mechanical diverter valve. Watch the temp gauge; if it starts running cold, flip the switch and bypass. That's more points of failure than carringb's "cover the grill" approach, but it would be cool.
__________________
OMG, the Silver Streak is Sold!
2006 SMB EB45ish.
5.4L, QuadVan 4x4
Ready to Rumble!
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