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08-20-2018, 08:23 AM
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#1
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Senior Member
Join Date: Aug 2012
Posts: 633
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Do Diff Covers Work? Gale Banks wants to know.
Hi Friends of the forum. This piekd my interest not that I have had any problem with my rear axle but because I LOVE TESTING. Nothing bugs me more than sitting in a meeting with a bunch of engineers yammering on about what could be happening. Here Gale Banks is posing question do the big sump finned diff covers actually have a benefit. This is just the introduction video of what I'm hoping will be an in depth series in the near future. Thought others might enjoy this.
- Eric
__________________
2005 SMB RB 4x4 6.0 PSD
A rocket on the pad is safe,
but it's not what rockets are built for.
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08-20-2018, 08:46 AM
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#2
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Senior Member
Join Date: Nov 2012
Location: boise idaho
Posts: 2,625
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this will be interesting. thanks for posting!
__________________
"understeer is when you hit the wall with the front of your car, oversteer is when you hit the wall with the rear of your car, horsepower is how hard your car hits the wall, and torque is how far your car moves the wall."
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08-20-2018, 12:45 PM
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#3
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Senior Member
Join Date: Mar 2013
Posts: 4,244
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I'm looking forward to hearing the results. I do know overfilling is a problem. I once rotated onto a ship with a hydraulic bowthruster that had the hydraulic pump run off a large gearbox on the main engine. The first time I fired it up, within about 10 minutes, the entire gearbox got so hot it began smoking. What I discovered was that someone had overfilled the gearbox. Once I drained it down to the proper level, it returned to normal operating temps. More is not always better.
__________________
Arctic Traveller
KC6TNI
2001 GTRV
Advanced 4wd
Agile Ride improvement package
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08-20-2018, 01:07 PM
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#4
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Senior Member
Join Date: Jan 2009
Location: Boulder, CO.
Posts: 2,554
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Do Diff Covers Work? Gale Banks wants to know.
Any overfill on your diffs will be waste gated out the breather tubes, prob a bit different than those closed systems on boats.
I had a mag-hytec rear diff cover put on when my full float was built, figured anything I can do to help dissipate heat the better, will be interested in seeing results.
__________________
'03 Ford E350 7.3L Diesel
(de)SMB'd Custom RB-50
Quigley 4X4 w/Deavers & Agile Offroad's R.I.P. package
CCV High Profile Pop Top
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08-20-2018, 03:14 PM
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#5
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Senior Member
Join Date: Sep 2013
Location: Eugene, Oregon
Posts: 1,127
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Watched this over the weekend. I'm also interested in seeing what the results are since this is I believe the rear end that is in my van.
__________________
2015 Chevy Express 3500 Duramax
w/ Quigley 4x4 & Agile Fox shocks
Sold 2005 E350 Chateau
Quigley with Agile RIP, 6.0 PSD
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08-20-2018, 04:30 PM
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#6
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Senior Member
Join Date: Mar 2015
Location: Maryland
Posts: 3,380
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Anxiously awaiting the results - certainly will be interesting.
__________________
TwoXentrix
"AWOL"
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08-20-2018, 09:20 PM
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#7
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Senior Member
Join Date: Nov 2014
Location: Fort Collins, Colorado
Posts: 1,236
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The message you have entered is too short. Please lengthen your message to at least 10 characters
__________________
2004 E350 EB Quigley - aka MCSporty6.0
2013 Fiat 500 pop/abarth - Sold
2003 Land Rover Disco II
1997 E350 7.3l 2wd - Sold
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08-21-2018, 12:25 AM
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#8
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Senior Member
Join Date: Jul 2011
Location: SF Peninsula
Posts: 809
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Their temperature with the stock cover is surprisingly high. I would have hoped that 60 mph air flow would have been enough to keep it a bit more in check.
Now I wonder what mine has hit pulling a 5k lb trailer over Donner pass in the summer at 45 mph. Perhaps I should change the oil in it.
__________________
'99 EB ex ENG KSWB news van, low rent 4x4 conversion (mostly fixed by now), home built interior.
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08-21-2018, 07:26 AM
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#9
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Senior Member
Join Date: Nov 2012
Location: Brentwood, CA
Posts: 1,051
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Great stuff from Gale Banks... I always figured the finned aluminum diff covers did nothing but lighten your wallet, I guess we'll see, now that someone is applying some real engineering. 336 deg F, wow!
__________________
1995 E350 7.3 Diesel, 4x4 high roof camper, UJOR 4" lift
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08-21-2018, 08:55 AM
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#10
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Senior Member
Join Date: Jan 2015
Location: Lomita, CA
Posts: 852
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I did an ARB cover on mine, but primarily for the increased rigidity added to the cap area since it's nodular iron and the added dipstick and drain plug. Does it work...no clue, but servicing it is far easier now so the lube changes aren't easy to put off.
Scott
__________________
2002 Ford E350 V10 Traveler
Vantage Optics Headlights
www.VantageOptics.com
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