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Old 02-02-2017, 04:46 AM   #2701
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Originally Posted by k_bojar View Post
thanks.. any ideas on a part number? or for which of their chassis the o-ring came with?
A cheaper alternatives...Spec R #SPR-R1P323 or #SPR-R1K735
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Old 02-02-2017, 02:09 PM   #2702
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Originally Posted by Grizzbob View Post
You can also use these O-Rings: https://www.tamiyausa.com/product/it...oduct-id=42259 , they do help reduce/eliminate the leakage....
Originally Posted by breyton View Post
Some good info here: http://www.thercracer.com/2015/01/51...d-and.html?m=0

You need XR972050 X-Ray 5x2mm Clear O-Rings

I've used the orange 42259 TRF O-rings in Grizzbob's post above and they have worked well for me
sweet!!! i'd rather keep the car as TCS-legal as possible

I know I saw stuff before, just couldn't find it when i searched the other day

plus, i've built gear diff before and none leak as much as this diff
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Old 03-19-2017, 02:37 PM   #2703
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I have built and raced these diffs front and rear. Only using the stock rings and building them per the diff building guide on tamiya website and never had a leak. 3000 rear 500000 front. 99% of leak is from overfill. you have to fill them slowly only to just below the top of the 4 small gears aprox 1mm. use green slime on the red orings(lots do not be cheap with this step) and antiwear grease on the brass bushings. NEVER replace the bushings with bearings. Retighten the diff screws after the first race day as they will seat and need a slight torque.
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