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  #121  
Old 2 Weeks Ago
magictorch magictorch is online now
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Hi, just ordered a gear diff for my 4.0

What do you guys recommend as a good starting point for oil?

Running on carpet med/high grip generally tight technical tracks with bare wood ramps and a little exposed sports hall floor.

Any recommendations will be greatly appreciated as its not a 2 minute job to swap out.

Cheers
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  #122  
Old 2 Weeks Ago
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3000wt is a good starting point for carpet.
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  #123  
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As Toby says,3000wt is good. I was surprised when I put it in as its seemed really thin when turning the diff in the car but it was fine on high grip EOS carpet.
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  #124  
Old 2 Weeks Ago
magictorch magictorch is online now
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cheers guys.

thanks for the advice
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  #125  
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For what itís worth I was on eos carpet at the weekend with 15k in the diff and the car would not rotate enough. I defo plan to try 3k next time.
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  #126  
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3K is a good starting point. Was running that for quite a while, but found when front tyres were new, the car would over rotate a little to much. Have now gone upto 7K both indoors and out, and the back end just feels a little more stable for me, can push the throttle harder on exit without the fear of it letting go. I also found 7K to be a bit safer outdoors on Astro at Coventry Model Car Club once the sand had come up slightly. If I wanted a touch more steering, Iíd drop down to 5K
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  #127  
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Quote:
Originally Posted by RandomConflict View Post
3K is a good starting point. Was running that for quite a while, but found when front tyres were new, the car would over rotate a little to much. Have now gone upto 7K both indoors and out, and the back end just feels a little more stable for me, can push the throttle harder on exit without the fear of it letting go. I also found 7K to be a bit safer outdoors on Astro at Coventry Model Car Club once the sand had come up slightly. If I wanted a touch more steering, Iíd drop down to 5K
Ah that is interesting, I might try 7k first then. Thanks for the info
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  #128  
Old 1 Week Ago
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Does anyone know if the rear camber block for the 4.0 will fit the 3.0 or if there is an aftermarket alternative other than the schelle?
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  #129  
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Yes the new camber block will fit the old car.
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  #130  
Old 1 Week Ago
magictorch magictorch is online now
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Quick update

I ran the car on friday night with 5k oil in the gear diff.

Car felt great, similar to the ball diff but with more drive out of the corners, pushed a little more but super safe.

I will try 3k out of curiosity
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  #131  
Old 3 Days Ago
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I tried 5k and defo better rotation than 15k. I had a lot of rear inside wheel lifting on a tight carpet track, but was the only one running a 22 4.0. I laid the front shocks down and that helped. Anyone else seen this? Wondered what other changes I could have tried.
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  #132  
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Possibly stiffer rear shocks and a roll bar. On EOS carpet Iím running 30wt oil and AE Blue springs on the back (2.3 lbs), and the thickest roll bar. It was the roll bar which made the biggest difference though! I then could stand the shocks up on the front to gain steering through the corner
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  #133  
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Thanks, that was the only thing I didnít try! Changed front shock springs, front roll bar etc. I shall try that for next time
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