95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

2" sus. lift in the front...should i drop the diff?

Old Feb 24, 2004 | 10:06 PM
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2" sus. lift in the front...should i drop the diff?

I had Mike at ORS up in Aurora, CO tell me that droping the front diff isnt a good solution because there is so lil fluid in there that its good for your cv joints but bad for the gears. so im kinda undecided if i should even worry about it or not. are there any other solutions to it other than dropping the diff?
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Old Feb 25, 2004 | 04:14 AM
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I'm not quite sure if that makes sense. You're lowering the diff as a unit, so the fluid level wouldn't change, right? Its not like you're lowering the diff housing and somehow managing to keep the gears in their original position.
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Old Feb 25, 2004 | 06:04 AM
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he said that it tilts it a little and there is a bearing in there that gets all screwed up.
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Old Feb 25, 2004 | 06:13 AM
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Hmm...well I suppose it could tilt a little, but man its gotta be minimal. I haven't read any reports of things getting screwed up due to a diff drop. With all the people running them, hopefully others will chime in!
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Old Feb 25, 2004 | 06:21 AM
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You shouldn't worry about it. As far as I can see, it's not tilting anything. The only thing it might do is slightly increase the angle of the driveshaft from the transfer case, which is very minimal and not hurting anything. I'm running a 2.5" cornfed spacer up front and got the diff drop spacer from wheelers and am very happy with it.
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Old Feb 25, 2004 | 07:02 AM
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It will change the pinion angle by an 1", but you should be fine.
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Old Feb 25, 2004 | 07:03 AM
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Just fill the front diff until the oil comes out fo the hole. The FSM calls for less than the hole, when tilted down filled to the hole is the same as slightly less than the hole upright.

I have had the diff droped down for a year and a half and everything is just fine.

Stange thing is that a year ago ORS was looking into a diff drop kit that lowered the rear as well. That's not going to be easily attained. At that point they abandonded the idea.
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Old Feb 25, 2004 | 07:36 AM
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Originally Posted by tacoma77
You shouldn't worry about it. As far as I can see, it's not tilting anything. The only thing it might do is slightly increase the angle of the driveshaft from the transfer case, which is very minimal and not hurting anything. I'm running a 2.5" cornfed spacer up front and got the diff drop spacer from wheelers and am very happy with it.
How tall were the diff drop spacers?
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Old Feb 25, 2004 | 08:07 AM
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Originally Posted by obxfishn
How tall were the diff drop spacers?
they're the ones from the revtek kit and measured about 1" tall.
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Old Feb 25, 2004 | 08:30 AM
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Originally Posted by Mean04Tacoma
I had Mike at ORS up in Aurora, CO tell me that droping the front diff isnt a good solution because there is so lil fluid in there that its good for your cv joints but bad for the gears. so im kinda undecided if i should even worry about it or not. are there any other solutions to it other than dropping the diff?
Sounds like someone is trying to sell you some unnecessary *cough*manual hubs*cough*

diff. drop.




CV's after diff. drop..............no alignment yet.




Front driveshaft after diff. drop..........I see very little change if none.



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Old Feb 25, 2004 | 08:31 AM
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but if i were to do a 2 inch sus lift do you think i should still do the diff drop?
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Old Feb 25, 2004 | 08:33 AM
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you have any pics of it from the side showing the whole truck?
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Old Feb 25, 2004 | 08:33 AM
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Originally Posted by Mean04Tacoma
but if i were to do a 2 inch sus lift do you think i should still do the diff drop?
You should make that call after the lift and alignment. I don't think I needed it but did it as insurance.
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Old Feb 25, 2004 | 08:35 AM
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now what did you do about the ADD hubs?
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Old Feb 25, 2004 | 08:38 AM
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Originally Posted by Mean04Tacoma
you have any pics of it from the side showing the whole truck?
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Old Feb 25, 2004 | 08:39 AM
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Originally Posted by Mean04Tacoma
now what did you do about the ADD hubs?
What do you mean?
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Old Feb 25, 2004 | 08:40 AM
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that looks awsome. consider it done on mine too!
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Old Feb 25, 2004 | 08:40 AM
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well ive been told and told that you cant go over a 2 inch lift with your auto hubs.
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Old Feb 25, 2004 | 08:44 AM
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Originally Posted by Mean04Tacoma
well ive been told and told that you cant go over a 2 inch lift with your auto hubs.
I was told 3" was max and 2.5'' was ideal with out a diff. drop. With 3'' and a diff. drop I don't see the problem.
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Old Feb 25, 2004 | 08:45 AM
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Originally Posted by Mean04Tacoma
well ive been told and told that you cant go over a 2 inch lift with your auto hubs.
They really aren't auto hubs. If they were auto then the maunual hub conversion wouldn't cost 1400
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