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Old 11-02-2009, 06:28 AM   #1
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Default Yokomo MR-4TC BD

i have a Yokomo Mr 4TC and it is by no means a cheap car and should be able to cope with anything i can throw at it but i have upgraded to a 5.5t Novak GTB Brushless and at my local club its no possible to push my car for the entire race (3 mins) due to the tempreature in the rear diff getting too high and melting the diff pulley which is plastic i have tried diffrent diff pressures and lubricants non work in lowering the temprature.

cheers all
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Old 11-02-2009, 07:46 AM   #2
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so you have a melting diff problem in the rear?

this has been covered numerous times in the yokomo BD thread.

usually what people have done is upgrade to the aluminum diff halves and the yokomo bx diff screw (to prevent slipping). Obviously, you'll get a bunch of different answers as how to build your diff properly, as well (but make sure IT IS built properly).

check this out

cheers.

ZEe
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Old 11-02-2009, 08:01 AM   #3
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Switch to aluminum pulley this will resolve your problem.
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Old 11-02-2009, 09:11 AM   #4
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where can i get an aluminum pulley from? and any ideas how much?
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Old 11-02-2009, 10:11 AM   #5
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Quote:
Originally Posted by ADDMAN View Post
where can i get an aluminum pulley from? and any ideas how much?
You can use BD5 aluminum diff outdrives, it fits on BD with no problem at all.

Please contact me for more info at [email protected]

Cheers,
Elwyn
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Old 11-02-2009, 10:51 AM   #6
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i already have the Aluminum out drives on my car, its an aluminum 40t pulley i need if they are even avaliable?
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Old 11-02-2009, 01:00 PM   #7
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I didn't know anyone made an aluminum pulley for the BD. I mean on the diff side
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