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Diff fluids Just the basics - 8/24/2007 3:33 AM   
Chubbysdad


 

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Status: offline 		I found this and thought it would be helpful for some people on changing out the diff fluids and what thick and thin does.

Front
Thinner :

increases steering into corners (off-power)
if oil is too thin the steering may become inconsistent, especially it can lose forward traction (and steering) during acceleration out of corners

Thicker:

increases stability into corners during braking
increases steering on-power at corner exit
............................................................ ........................
Center
Thinner:

front wheels unload more during acceleration
decreases on-power steering (reduces oversteer)
easier to drive on rough tracks
if a high-power engine is used you could waste too much power and sometime “cook” the oil in the center diff erential because it “overloads”

Thicker:

more all-wheel drive effect
better acceleration
increases on-power steering (reduces understeer)
better suited on high-bite, smooth tracks
car can be more nervous to drive especially if a high power engine is used - you might need to be smooth on the throttle

............................................................ .........................
Rear
Thinner:

increases cornering traction
increases steering into corner
Thicker:

decreases rear traction while cornering
reduces wheelspin

< Message edited by Clermont Hobby -- 8/24/2007 3:36 AM >

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RE: Diff fluids Just the basics - 8/24/2007 4:25 AM   
giddyuperic



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Status: offline 		That is one of the best post I have seen in a long time thank you. Eric

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RE: Diff fluids Just the basics - 8/24/2007 4:53 AM   
Chubbysdad


 

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Status: offline 		thanks... I hope it helps.

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RE: Diff fluids Just the basics - 8/24/2007 6:17 AM   
giddyuperic



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Status: offline 		I am sure it wil be a good ref for most people.

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RE: Diff fluids Just the basics - 8/24/2007 6:54 AM   
AllAboutFunHobbies



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Status: offline 		That's super informative, nice post.

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RE: Diff fluids Just the basics - 8/24/2007 7:16 AM   
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RE: Diff fluids Just the basics - 1/22/2008 7:30 PM   
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Status: offline 		ok i see the differences. thx very informative, now what would give the best all around for just a new basher? if my diffs have grease in them from factory what would be my best choice?

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RE: Diff fluids Just the basics - 1/22/2008 8:11 PM   
{GBI}Harryball



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Status: offline 		Nice, this should help lots of people. Thanks for the info.


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RE: Diff fluids Just the basics - 1/23/2008 3:10 AM   
Chubbysdad


 

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Status: offline 		ranger.. what car do you have? There are different fluid set ups for different cars.

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RE: Diff fluids Just the basics - 1/23/2008 4:03 AM   
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RE: Diff fluids Just the basics - 1/23/2008 4:07 AM   
ehroof


 

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Status: offline 		you need to use very thick fluid in those diffs, your better off using diff grease, not fluid.

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RE: Diff fluids Just the basics - 1/23/2008 4:08 AM   
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RE: Diff fluids Just the basics - 1/23/2008 6:07 AM   
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Status: offline 		Ok I'll be the idiot and ask the question....................... how do you change the fluids? and do they need to be changed if i have never changed them?
lol

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RE: Diff fluids Just the basics - 1/23/2008 6:13 AM   
ehroof


 

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Status: offline 		lmao, you take the diff out of the diff housing, its the small circle with the small spyder gears inside of it, fill it will fluid or grease them up, and you dont really need to change it, it will give you better performance though

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RE: Diff fluids Just the basics - 1/19/2010 9:03 AM   
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Status: offline 		Anyone know what/if the Monsoon (1/8 Truggy) comes with in the diffs from the factory? They dont come dry do them? Thanks for any info!

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RE: Diff fluids Just the basics - 1/29/2010 6:58 AM   
chevyderek72



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Status: offline 		They shouldnt come dry, but its a mystery what weight it is. I never had a problem with stock fluid, but you could always replace it to get the desired effect you want.

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RE: Diff fluids Just the basics - 1/29/2010 7:49 AM   
Mickstix


 

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Status: offline 		Thanks for the info Derek! Im just bashing for now, so I just wanted to be sure I wasnt gonna burn one up if they came dry.. I'm gonna pick up some differnt weight diff lubs eventually, but for now I'll prolly just leave it alone. Thanks again!

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RE: Diff fluids Just the basics - 2/15/2010 5:39 AM   
chevyderek72



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Status: offline 		Hey no problem, ya if your bashing its not a big deal, but i fill my diffs just so the wheels dont spin free if they do.

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RE: Diff fluids Just the basics - 2/15/2010 5:09 PM   
Chizzler


 

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Status: offline 		Since we're talking diff fluids, I just opened up the diff's on my Backdraft 8e and found the rear had very little grease (red in color) and the front had no visible signs of any lubricant. Is that something to be worried about?

I've run the buggy through a couple charges on the battery so far. I ended up adding some valvoline general purpose grease to the front and rear gears while I was in there.

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RE: Diff fluids Just the basics - 2/24/2010 7:21 PM   
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Status: offline 		Its best to put some silicone diff fluid in, grease will just keep it lubed and spinning freely. But silicone diff fluid will change the characteristics of how the car runs.

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RE: Diff fluids Just the basics - 3/30/2010 10:39 PM   
dropkin54


 

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Status: offline 		ok so i got my slash 4x4 a couple months back and im ready to put in the diff but what should i do to take out a lot of the slip

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RE: Diff fluids Just the basics - 8/22/2010 8:28 PM   
zanga254



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Status: offline 		Is it ok to run dry, as in w/o grease in the back?


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RE: Diff fluids Just the basics - 8/24/2010 8:06 PM   
Redcat-Derek


 

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Status: offline 		zanga254,

I would recommend at least putting some grease in the diff to keep it lubed. Without some type of lubricant the gears are going to wear faster than normal.

Thanks,
Derek
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RE: Diff fluids Just the basics - 8/26/2010 12:41 AM   
formula87



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quote:

ORIGINAL: Redcat-Derek

zanga254,

I would recommend at least putting some grease in the diff to keep it lubed. Without some type of lubricant the gears are going to wear faster than normal.

Thanks,
Derek
RedcatRacing




I would like to know as well what comes in the diffs or what wieght comes in the diffs.  I am starting to race my Backdraft 8E at my LHS track and would like some input on the diff oil.


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RE: Diff fluids Just the basics - 8/31/2010 1:32 AM   
Redcat-Derek


 

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Status: offline 		Hello formula87,

The diffs should come filled with grease, so i would recommend putting some silicone diff fluid in them to tune per your preference.

Thanks,
Derek
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