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Differential Guards...opinions on different types

Discussion in 'Early CJ5 and CJ6 Tech' started by dnb5853, Jan 19, 2010.

  1. Jan 19, 2010
    dnb5853

    dnb5853 Member 2019 Sponsor

    SLC, UT
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    Last edited: Jun 23, 2012
  2. Jan 19, 2010
    neptco19

    neptco19 That guy....

    Athens, GA
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    IMO go with a full replacement diff cover, like one from solid, rockcrusher or ruff stuff.
     
  3. Jan 19, 2010
    jayhawkclint

    jayhawkclint ΜΟΛΩΝ ΛΑΒΕ

    Oklahoma City, USA
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  4. Jan 20, 2010
    DrDanteIII

    DrDanteIII Now with 95% more running jeep.

    Milford NJ 08848
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    If somebody is shooting at me, I've got bigger problems than my rear differential loozing some oil.

    IMHO, the bolt diff guards are a half way solution. For how cheap some of the heavy duty diff covers are, why bother with anything else.

    I've got the rockcrusher on my rear 44, and its taken a serious beating without any issues. I think i even landed on it once when I lost traction up a rock garden.
     
  5. Jan 20, 2010
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
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    Full cover is the way to go. That is what I used until I got the OX lockers - thier covers are HUGE.
     
  6. Jan 20, 2010
    Don X

    Don X President for Life Staff Member 2020 Sponsor

    San Diego,...
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    I've never had any problems with my stock diff cover and I've tackled even the roughest mall parking lots. :D
     
  7. Jan 20, 2010
    duffer

    duffer Rodent Power 2019 Sponsor

    Bozeman, MT
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    Yep, the aftermarket covers are pretty bullet proof but most of them are also heavy. I think the first thing I would do is find the heavy factory covers if you want to go the guard route. Scout II 44's had these as did at least the 25's in 63 Willys wagons-and there are no doubt many other applications with these-all made from something around 0.125. As for the guards, I suspect all will offer some protection, but type C will probably collect both dirt and moisture which would likely eventually cause rust problems. That said, I have not used any of the A-C items. If I ever get around to finishing my replacement axles (might have to wait until I blow the existing ones to get ok from boss-"honey, we really need the Willys to get to your favorite fishing"), I am just going to weld up my own skids/guards.
     
  8. Jan 20, 2010
    grannyscj

    grannyscj Headed to the Yukon

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  9. Jan 20, 2010
    jpflat2a

    jpflat2a what's that noise?

    Riverside CA
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    IH used the heavy covers, some Jeeps as stated above
    amazing that there would be some much difference in the thickness of the covers.
    if you poke holes thru those, you're gonna have more damage than that...
     
  10. Jan 20, 2010
    DrDanteIII

    DrDanteIII Now with 95% more running jeep.

    Milford NJ 08848
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  11. Jan 20, 2010
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
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    SOME IH's used heavy covers, some didn't.
    The heavy covers were used primarily in the front so look there first. The heavy factory covers are indeed much thicker than the thin ones.
    It's an inexpensive solution if you need just a bit more. I have seen the factory thick covers bend into the ring gear though. That's where the aftermarket heavy covers come in. I have a Riddler cover on the rear 60 waiting to go into the '6. Very heavy duty and well made.
    I'm thinking ARB cover for the front as it uses a dipstick for checking oil and also has a drain built into it.
    $65 for a heavy cover looks like a great deal!

    I just can't get past the "add on" protectors as to me they look, well, added on. Replacement covers just looks so much cleaner and can offer just as much protection with fewer clearance issues.
     
  12. Jan 20, 2010
    nickmil

    nickmil In mothballs.

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    Just looked at the Solid cover in the link. Just beware that cover is for a high pinion diff so the fill plug is much higher than stock. You'll have to watch your lube level when filling it up. I've found this true with many of the aftermarket covers. They seem to build them primarily for the high pinion diffs.
     
  13. Jan 20, 2010
    grannyscj

    grannyscj Headed to the Yukon

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    Does filling to the higher level have adverse effects?:v6:
     
  14. Jan 20, 2010
    Daryl

    Daryl Sponsor

    Bonney Lake, WA
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    Your inner axle seals were never meant to keep back that amount of fluid. Even new seals will allow the pumpkin to find its proper level. The oil will make its way out of the tubes, attract buildup of dirt, and keep your brakes well oiled.
     
  15. Jan 20, 2010
    nickmil

    nickmil In mothballs.

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    It can. More possiblily of leaks, throwing it out the vent, aeration of the fluid caused by turbulance, etc.
    The high pinion cover is a common mod if you have to tilt the pinion up quite a ways for driveline angles and what not but I wouldn't fill to the fill plug on a stock angled low pinion unit with a high pinion cover. You can make a simple dipstick from piece of wire/metal though so you know how much to fill it. Just use the old cover as a sample as to where to put the marks. Even though spendy that's why I like the ARB cover. It has one built in already.
     
  16. Jan 20, 2010
    grannyscj

    grannyscj Headed to the Yukon

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    Thanks for the info. I'd never really thought about that before, never changed out the factory cover before.

    I just ordered one of them, too good a price to pass up. I talked with one of the owners. Apparently they just bought the company and are offering up the covers as a way to get their name out. I thought I'd pass it on.:v6:
     
  17. Oct 1, 2010
    supertrooper

    supertrooper Member

    moreno valley, ca
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    i know this is an old thread but i just wanted to pass the word along that solid axle still has the covers for $65 each if anyone is still looking for one. i called and ordered one for my d27 and d44.
     

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