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Old 12-28-2009, 02:58 PM   #1
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Default why a center diff

I know what a diff is and why their used on axles, but what is the benefit of a center diff? I just got a sc8 and am just curious.
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Old 12-28-2009, 03:06 PM   #2
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I know what a diff is and why their used on axles, but what is the benefit of a center diff? I just got a sc8 and am just curious.
allows brake bias
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Old 12-28-2009, 03:09 PM   #3
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Allows you to control the amount of power you send to the front of the car in relation to the rear. Lighter diff oil will send more power to the front because the front generally slips more. Heavier oil will send more even power to both the front and rear diffs. In my L8ight I use 100,000 weight oil in the center diff. In my 8ight buggy I use 5,000.
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Old 12-28-2009, 03:10 PM   #4
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The center diff allows the front and rear to spool differently, thus allowing for tuning options.
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Old 12-28-2009, 03:12 PM   #5
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Originally Posted by AndrewClaycomb View Post
Allows you to control the amount of power you send to the front of the car in relation to the rear. Lighter diff oil will send more power to the front because the front generally slips more. Heavier oil will send more even power to both the front and rear diffs. In my L8ight I use 100,000 weight oil in the center diff. In my 8ight buggy I use 5,000.
100,000???!!!
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Old 12-28-2009, 03:13 PM   #6
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100,000???!!!
Dirt oval. Would probably work well with a center spool but haven't tried it.
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Old 12-28-2009, 03:21 PM   #7
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100,000???!!!
In the front of the late model I use 125,000!
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Old 12-28-2009, 03:22 PM   #8
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Wow... I had no idea. It's amazing the interesting things you learn on here by accident!
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Old 12-28-2009, 03:27 PM   #9
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Wow... I had no idea. It's amazing the interesting things you learn on here by accident!
Here's the funny part, 10,000 in the rear.

It turns left real nice.
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Old 12-28-2009, 03:49 PM   #10
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Here's the funny part, 10,000 in the rear.

It turns left real nice.
lol I've driven oval ONCE. With a Slash. (only time I've even driven a Slash too.) It was fun... but the amount of body roll on the Slash made it hard to be very precise... it was like there was a delayed reaction to any steering input. (Throttle response was good though!) I had to run the "high line" because I wasn't used to how the car reacted... even so, I wasn't last.

I'd like to drive one of the little sprint cars sometime... those look like fun.
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Old 12-28-2009, 03:54 PM   #11
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Plain and simple, it helps distribute power to the wheels that need it.
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Old 12-28-2009, 04:04 PM   #12
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Plain and simple, it helps distribute power to the wheels that need it.
Actually it really does the opposite. That's why we use the grease.
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Old 12-28-2009, 04:18 PM   #13
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lol I've driven oval ONCE. With a Slash. (only time I've even driven a Slash too.) It was fun... but the amount of body roll on the Slash made it hard to be very precise... it was like there was a delayed reaction to any steering input. (Throttle response was good though!) I had to run the "high line" because I wasn't used to how the car reacted... even so, I wasn't last.

I'd like to drive one of the little sprint cars sometime... those look like fun.
1/8 scale latemodels are the way to go. You leave the drivers stand shaking.
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Old 12-28-2009, 04:55 PM   #14
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haha i ran 500,000 wt and sometimes 800,000 wt oil in the revo's center diff.
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