Discovery II Talk about the Land Rover Discovery II within.
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Old Jan 8, 2018 | 10:20 AM
  #1  
Lisa Bunch's Avatar
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Rock Crawling
Joined: May 2014
Posts: 365
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From: Apache Junction, AZ
Default Modifications and Solutions

Hi!
Members of this forum have done awesome jobs solving problems with Land Rovers so we can keep them on (and off) the road.
You have solved the 3 amigos.
You have improved the cooling system.
You have improved system monoriting with analog and wifi gauge system ideas.
I am looking for improvements to the oil system. Thought about dry sump or stage 1 wet sump.
Here are some links as my research continues:

Dissecting the Duramax: Getting Inside Six Generations of GM?s 6.6L Diesel Dominator - Engine Builder Magazine
duramax-getting-inside-six-generations-gms-6-6l-diesel-dominator/

Oil Pumps

They both mention the problem these types have with dry start up, alignment importance, and cold weather oil viscosity.
 
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Old Jan 8, 2018 | 11:17 AM
  #2  
KingKoopa's Avatar
Recovery Vehicle
Joined: Jul 2016
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no need to reinvent the wheel. Use good oil. 0w or 5w "cold" weight, all the time, year round. proper "warm" weight, which should be 30w or 40w, but you should verify by checking oil pressure. and strive to find an oil that meets all of the above, but also has a high HTHS number, good film strength, and good temp resistance.
 
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Old Jan 8, 2018 | 12:39 PM
  #3  
number9's Avatar
Pro Wrench
Joined: Nov 2015
Posts: 1,935
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From: Coastal Georgia
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'sLisa Bunch,

Appreciate your thoughts and time. We could all use some well thought out and designed mods or solutions for our LR issues. I'd even consider a new wheel KingKoopa might discount but would ****yze the heck out of it before putting on one of my modes of transport.

Practically responding there are several downsides to even factory designed dry sump systems. The a tank and required plumbing introduces more potential failure points. When Murphy's law raises it's dirty little head all bets are off. If tank, a hard line or a flex hose blows/fails or develops a significant leak it may be the LR engine's times up. This is one reason I never pursued the popular oil cooler mod or the 03/04 D2, if it ain't broke don't fix it. Dry sump systems are almost as old as oiler cans. Wet sump KISS oil systems were designed for a reason and work satisfactorily for most applications including the antique LRV8 design.

Manual or electric pre-lube pumps have been available for years and can be installed in most vehicle wet sump oil systems. They too require additional plumbing/maintenance. There's likely already a LR mod out there on some LR forum buried in the www. Years ago (late '70s - present) have/had considered adding to my vehicles without considering the downsides. None of those rides failed due to an untimely engine death.
......
 

Last edited by number9; Jan 8, 2018 at 02:08 PM.
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Old Jan 8, 2018 | 12:49 PM
  #4  
KingKoopa's Avatar
Recovery Vehicle
Joined: Jul 2016
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Originally Posted by number9
Besides what KingKoopa said....

Practically responding there are several downsides to even factory designed dry sump systems. The addition of a tank and additional plumbing introduce more failure potential failures. Additional plumbing equates to additional maintenance and more possible leaks or catastrophic oil loss if a hose fails. Hard lines may last longer than hoses often seen in mods but can leak or fail too. When Murphy's law raises it's dirty little head all bets are off just as with our stock systems. Dry sump systems are almost as old as oiler cans. Wet sump KISS oil systems were designed for a reason and work satisfactorily for most applications including the antique LRV8 design.

Manual or electric pre-lube pumps have been available for years and can be installed in most vehicle wet sump oil systems. They too require additional plumbing/maintenance. There's likely already a LR mod out there buried in the www.
......
to be fair, with braided metal lines, AN fittings, and a simple ignition cut failsafe (activated by low in the sump), you can minimize the short comings of a dry sump. I would consider it in a heart beat for the rover if there was already a dry sump pan being manufactured, but i dont think that's the case. not one that is less than the cost of a used Disco anyway lol.

I loved the Dry sump system on my Aprilia's, never had to worry about starving a bearing during extended periods of single wheeled tomfoolery lol
 
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Old Jan 8, 2018 | 01:53 PM
  #5  
dgi 07's Avatar
Pro Wrench
Joined: Feb 2011
Posts: 1,570
Likes: 99
From: People's Republic of New Jersey.
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Lisa,
Instead of going to a complete dry sump, maybe you can consider this product.

Canton Racing Products - Engine Accessories

Highly recommended in the Porsche world, especially for guys who track their cars frequently. I can speak for 1 generation of the 911 that has oil starvation problems on long sweeping high G turns.

Not trying to plug a product, but like Koopa said, no need to invent the wheel.
 
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