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Old 10-08-2006, 06:52 AM   #1
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Default Fluid blending?!?!

OK so it was late last night and came across the GE silicone fluid blender site (http://www.gesilicones.com/gesilwiza...?SMSESSION=NO). So I looked in my tool box and have 7,000 weight diff fluid and a couple shock oils. Can I use shock oil in my diff??

I am shooting for 5,000 weight and the blender says to use 82% 7,000 diff and 8% 80 shock to come up with 5g.


Thanks

Ca
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Old 10-08-2006, 07:08 AM   #2
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the calculation will work provided the oil numbers are true viscocity ratings of the oils and are of the same quality oil. From my experiences with shock oils different brands use different numbers....
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Old 10-08-2006, 07:58 AM   #3
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Same thing here. We all use assoc. oils because we know the viscocity a littli better and from what I have noticed losi is a little thinner. I would say if you are going to do this make sure your using the same brand silicones.
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Old 10-08-2006, 08:29 PM   #4
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The sillicone's in question are GS diff and AE shock oil.

Do you guys have any reason to belive these weights are not true or at least darn close??

thanks

ca
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Old 10-09-2006, 03:18 AM   #5
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Here is a FYI. I posted the same ?? on rc universe to see if I came across any conflcting answers and got a neat answer I thought I would share. It was from GRant Ed
"There is only one company that makes silicon oil and that is Dow corning. All the RC companies buy from Dow corning and re lable the bottles with their own lable. There is no difference between brands although some grade them differently. An example is that Losi 40wt is not the same as Associated 40wt however 400cps in both Kyosho and Mugen are the same (even if Kyosho costs twice as much).
Generally above 1000cps the oil is called "diff oil" and below is called "shock oil". There is no difference between the oil apart from the viscosity.
You can mix the oils without a drama.





ca
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Old 10-09-2006, 05:13 AM   #6
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aslong as its silicone u can mix it
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Old 10-10-2006, 04:19 PM   #7
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I like TQ fuel
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Old 10-10-2006, 05:04 PM   #8
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Quote:
Originally Posted by B0nzz

I am shooting for 5,000 weight and the blender says to use 82% 7,000 diff and 8% 80 shock to come up with 5g.


Thanks

Ca
What do you use for the other 10%
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Old 10-10-2006, 11:10 PM   #9
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LOL I see somebody else is on the 10% ball.
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Old 10-11-2006, 03:25 AM   #10
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now im confused.....wait i dont think i am now
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Old 10-11-2006, 12:10 PM   #11
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BBWWHahahaha.. man it was late and I did not notice that.

I wonder what I did??

ca
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Old 10-11-2006, 01:43 PM   #12
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The pure silicones are the same. But Losi compares slightly lighter due to the fact that they add coloring.
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Old 10-11-2006, 01:47 PM   #13
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^ good bit if info there. Thanks for sharing. I always knew they were a little different but never really thought about why. That makes perfect sence.
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Old 10-11-2006, 09:15 PM   #14
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NO, It will NOT work.

Yes, the silicone oil will mix. However, that calculator is for oil measured in units of Centi Poise "Cps". The other known and used American rating is WEIGHT "WT". This WT or W rating is a non world standard and was introduced by Associated and not comparable between brands using this W or WT rating.

I know for a fact that AE 80 wt oil is about 1040 Cps. Assuming that GS silicone oil is accurate (I don't know, but doubt it), you can use those 2 numbers.

I do know that Xray 5000 oil is about 9,000 cps...

This site is very helpful:

http://www.twf8.ws/php/index.php?opt...per&Itemid=175
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Old 10-11-2006, 10:39 PM   #15
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Hum…….fair point! But does it really make a difference? I mean weather you have 5000wt & 3000wt to make 4000wt or you have 5000cps & 3000cps to make 4000cps the percentage should still be the same with that calculator or am I not thinking straight? What am I missing here?

and yes Paco's site is a very good place for info!
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