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Old 11-19-2004, 05:37 PM   #1
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Default Diff oil vs shock oil

Is diff oil the same as shock oil except for weight? A lot of racers are using light weight grease like Lucas #2 red in the rear diff to gain steering. The problem with that is that you have to regrease the diff gears every 5 races or so. Why couldn't I just use shock oil instead? Like 70 wt. They're both silicone oil.
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Old 11-24-2004, 07:11 PM   #2
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It sounds like you're referring to 1\8 buggy setups, is that it?

If it is, even though I've never owned a 1\8 buggy, I'm pretty sure it isn't all the same oil. In the simplest way I can say, diff oil is thicker than shock oil.
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Old 11-24-2004, 07:38 PM   #3
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slrguy,

I assume also you are talking about 1/8 th scale set ups. 70wt oil is very light compared to 1000 wt , 5000wt, 10,000wt that is primarily used in buggys. A basic set up on diffs is 5000wt front, 7000wt center, 1000wt rear . 70wt would very thin compared to these numbers. Are they putting the Lucas grease in the front, center, or rear diff ???
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Old 11-25-2004, 09:49 AM   #4
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Quote:
Originally posted by Brandon Powell
slrguy,

I assume also you are talking about 1/8 th scale set ups. 70wt oil is very light compared to 1000 wt , 5000wt, 10,000wt that is primarily used in buggys. A basic set up on diffs is 5000wt front, 7000wt center, 1000wt rear . 70wt would very thin compared to these numbers. Are they putting the Lucas grease in the front, center, or rear diff ???
Yes, 1/8 scale setup. The Lucas grease goes in the rear diff in place of diff oil. The diff is not packed with it, only the gears are given a good coating. I've tried this and it indeed does give more steering and works great on a track with lots of tight turns. The only problem with this is that the grease needs to be changed every 4-5 races because it slings off the gears.
Sportwerks makes silicone diff oil in 100, 300, 500 and 700 wts. I was thinking that silicone shock oil would be a better solution than grease because you can fill up the diff and it would last longer than grease but still keep the effect.
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