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Old 05-23-2006, 08:14 PM   #1
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Default Car Differential Question

ok my car has a really gritty sound to it when i drive it and when i go the tracks everyones car sounds quiet my sounds all ruff. I cleaned out the differentials and put stealth lube on but still seems to make noise.
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Old 05-23-2006, 08:20 PM   #2
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what car do you have?

if its a belt, you can clip every 2 teeth off the belt,
clean out your bearings after 2-3 race weekends, then put the clear lube in them

if your racing put in a front one-way
(not suggested for bashing, you will need the braking when ur and your friend are coming head on, trust me, i made that 50 buck mistake)

take out any bushings you may have, and put in ball bearings
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Old 05-23-2006, 09:50 PM   #3
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SOUNDS LIKE YOUR DIFF RINGS ARE GROVED .. DUE TO RUNNING YOUR CAR FOR SOME TIME IN DUSTY AREAS .. cLEANING YOUR DIFFS SHOULD BE REGULAR MAINT. And also your diff balls have flat spots in them due to the dust and dirt ... your could clean everything and still have the same problems ... A one way is good for some tracks depending on lay out .for handling and carring speed thru sweeping corners .. best suggestion is to replace the diff rings and balls and clean all the wheel bearings ,make sure diffs dont slip on throttle ... you should be all set after that .. good luck ...
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Old 05-23-2006, 09:58 PM   #4
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yup mb racer has the right answer

even if u dont run in dirty or dusty places, if a car is not maintained the right times and done something will come out wrong sooner or later

this is really sown in the differentials

you most prolly have the flat suface on the diff balls
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Old 05-23-2006, 10:46 PM   #5
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thedudeaturdoor has a good question - what car do you have?

Check your pinion / spur gear mesh and gears. If the mesh is off it will get noisy then stop working (after you destroy the spur.. ).

If you have a shaft drive car check your diff gear and shaft gear mesh and gear condition. You may need to use shims to get the spacing right.

Don't forget to check the thrust bearing if it's a ball diff and the diff is the source of the noise or just notchy feeling.
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