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Old 09-18-2011, 06:56 PM   #1
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Default Losi Smart Diff?????

Searched but could not find anything. Just looking for some general opinions about the smart diffs. Are they better than regular? What is so great about them?
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Old 09-18-2011, 07:15 PM   #2
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Most don't use them anymore. They were a little too much of a pain to get working right, and when you did you just about had to tear is apart mid run.

When I had mine working perfect, it was almost as good as running a regular diff...

I think they were a great idea, but just didn't work well (IMO).
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Old 09-18-2011, 07:46 PM   #3
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Thats pretty much it. Genius concept, never perfected. They are hard to tune and not very predictable. The idea was to give you the off power feel of light diff oil with the on power drive of heavy oil.
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Old 09-19-2011, 04:56 AM   #4
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Here's the thread you were looking for.

Losi Smart Diff

Long story short is they made my cars very unpredictable.
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Old 09-19-2011, 06:46 AM   #5
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I really liked how my 8ight-e drove with a center smart diff, great acceleration and insane off power turn in.

But.....upkeep is a SOB on these. Way too much work for the level of racing I do.
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Old 09-19-2011, 07:25 AM   #6
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Yes you have to do alot of up keep on them, got to repack them after every race. They just wont hold grease once it gets hot. It just slings it out all over everything.
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Old 09-19-2011, 07:50 AM   #7
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OK, I was intrigued by these diffs but not anymore. I think I will stick with what I got!
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Old 09-19-2011, 07:18 PM   #8
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I've been using them since they came out. Initially I thought the same as all others, a pain to keep consistent. But then i decided to go with the heaviest springs and fill them with diff oil. I run the front with 5k as I would a normal diff, and 5k in the center (a little softer than normal for my liking). They stay very consistent for turn-in, but give killer acceleration out of turns and into jumps with little run up. Maintenance is just like a normal diff. For those of you who have them, try using diff lube instead of the grease.
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Old 09-19-2011, 09:31 PM   #9
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Quote:
Originally Posted by mnillen View Post
I've been using them since they came out. Initially I thought the same as all others, a pain to keep consistent. But then i decided to go with the heaviest springs and fill them with diff oil. I run the front with 5k as I would a normal diff, and 5k in the center (a little softer than normal for my liking). They stay very consistent for turn-in, but give killer acceleration out of turns and into jumps with little run up. Maintenance is just like a normal diff. For those of you who have them, try using diff lube instead of the grease.

Same here, I also gave them a second try and now love them. I however use half "smart diff grease" and half 1000wt oil. I felt that with 100% grease packed in there as suggested prevented the internals from working right. If you guys still have them try it out. Some of you might change your minds.
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Old 09-20-2011, 04:07 PM   #10
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I have a bag o smart diffs. Might not have the ring gear but everything else if anyone is interested. I'll let them go cheap too pm me
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