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Old 02-22-2012, 12:07 PM   #1651
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Adam I take it you are aware that the ball diff can be filled with Oil for the Awesomatix and that it wasn't a stupid question ??? Just checking (unless im very much mistaken as ive never got round to building mine)
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Old 02-22-2012, 12:07 PM   #1652
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Ball diff big guy, no oil in this one. The gear diff, yes.
The ball diffs can also be built with oil as well. I have one. Just curious if he tried it.

And yes, the gear diffs do as well.
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Old 02-22-2012, 12:09 PM   #1653
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Ball diff big guy, no oil in this one. The gear diff, yes.
I'm sure Mark was asking due to steps 29 and 30 in the manual show the option of using oil. I was interested in the answer also, as it's possibly a novel approach to reducing ball diff maintenance.
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Old 02-22-2012, 12:20 PM   #1654
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I'm sure Mark was asking due to steps 29 and 30 in the manual show the option of using oil. I was interested in the answer also, as it's possibly a novel approach to reducing ball diff maintenance.
My normal gear diffs run anywhere from 70-120wt oil. Anything lighter than 70wt with mid to high bite on carpet made the car feel erratic during rotation, almost as the car was diffing out.

I built up a ball diff with 10wt and found on higher bite carpet that I could get the car to have more rotation than gear diffs.

Ultimately - better performance than the gear diffs and but equal up-keep.
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Old 02-22-2012, 12:33 PM   #1655
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Has anyone tried running the ball diff in front with something thick , like 500,000 cst? I'm assuming it could act like a slipper spool, but possible too inconsistent...?

P.s. on second thought I wonder if the balls would skid instead of roll, which would cause harm to the balls and plates .... Hmmm
Jake D.

Last edited by Magnet Top; 02-22-2012 at 12:47 PM.
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Old 02-22-2012, 12:35 PM   #1656
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Ultimately - better performance than the gear diffs and but equal up-keep.
Just to be clear, equal upkeep to gear diffs, or to ball diffs with grease?
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Old 02-22-2012, 12:39 PM   #1657
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Has anyone tried running the ball diff in front with something thick , like 500,000 cst? I'm assuming it could act like a slipper spool, but possible too inconsistent...?

Jake D.
I have not tried it.

I would assume that for the purpose of getting more steering - that would be an option. I havent tried it yet. My cars tend have enough steering with a spool (low-med bite) and gear diffs with 300K-500K-Putty (high bite).
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Old 02-22-2012, 12:40 PM   #1658
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Just to be clear, equal upkeep to gear diffs, or to ball diffs with grease?
I would be impressed to find ball diff performance with gear diff life.
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Old 02-22-2012, 02:02 PM   #1659
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Default High Speed, low traction, bumpy set up

Hi guys.
It's been a while since I last posted here.

I finally managed to runs some tests with the car and also compete in my first race with A700.
Car performed quite well. I am very pleased with the balance, behavior, consistency, durability and reaction to set up changes.
I did get TQ, lap record and overall win in the warm up race to our upcoming 1st National race in 10 days time.

Here is my set-up.
http://data7.blog.de/media/846/6203846_116d51f10f_d.pdf

some photos from the race




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Old 02-22-2012, 04:33 PM   #1660
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Originally Posted by Subliminal View Post
Adam I take it you are aware that the ball diff can be filled with Oil for the Awesomatix and that it wasn't a stupid question ??? Just checking (unless im very much mistaken as ive never got round to building mine)
Quote:
Originally Posted by MDawson View Post
The ball diffs can also be built with oil as well. I have one. Just curious if he tried it.

And yes, the gear diffs do as well.
Oh wow, complete brain fart on my part guys, I thought I was in a different thread altogether Please resume the regularly scheduled high-tech talk







*feel like a bit of a tool right now, I gotta say.... sheesh *
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Old 02-22-2012, 04:36 PM   #1661
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Oh wow, complete brain fart on my part guys, I thought I was in a different thread altogether Please resume the regularly scheduled high-tech talk







*feel like a bit of a tool right now, I gotta say.... sheesh *
No problem Adam.
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Old 02-22-2012, 04:56 PM   #1662
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Mark...Poland?

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Old 02-22-2012, 05:11 PM   #1663
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Originally Posted by MDawson View Post
I have not tried it.

I would assume that for the purpose of getting more steering - that would be an option. I havent tried it yet. My cars tend have enough steering with a spool (low-med bite) and gear diffs with 300K-500K-Putty (high bite).
Thanks. If I have the "balls" to try it , I'll let everyone know the results.

P.s. John, great job with your tq and win ! I've been wondering through the winter how well the car can handle bumpy asphalt, so I'm happy to hear you found a good setup !
Still a while before the Seattle outdoor season starts up.....

Jake D.
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Old 02-22-2012, 05:14 PM   #1664
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Mark...Poland?

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Will know on Friday.
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Old 02-23-2012, 12:19 AM   #1665
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Originally Posted by MDawson View Post
The ball diffs can also be built with oil as well. I have one. Just curious if he tried it.

And yes, the gear diffs do as well.
I did! But I was not sure about the oil, so I went with a "basic" setup of 1000...

Smoooooothy!

The only question is how the diff will remain tight with all this oil all around!
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