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Old 02-06-2011, 06:56 AM   #1
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Default How tight to make your diff

Is there an easy way to figure out how tight you should make your diff for stock TC?
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Old 02-06-2011, 06:58 AM   #2
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I always make mine as free(loose) as possible with out slipping. Then you can tighten from there should you desire.
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Old 02-06-2011, 07:24 AM   #3
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Is there an easy way to figure out how tight you should make your diff for stock TC?
start loose, hold both rear tires and try and slip the diff with the spur, tighten it to the point where you can't slip it, the diff should still feel very free.
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Old 02-06-2011, 08:22 AM   #4
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How hard u tring to spin it tho, thats whats hard to judge. I can make a tire spin or break a alum cvd, i just lock my spur in and try to lift the front wheels of the board , this way i have a accureate way of tellin my diff tention to someone else. Its very loose i will say. But does not slip
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Old 02-06-2011, 08:42 AM   #5
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I like to set it up so when holding the spur and 1 wheel, that there is 'some' resistance in turning the opposite wheel. When I say 'some' resistance, I dont mean hard so it does not slip. I mean that it will slip slightly with abit of force, but not 'bark' when running on track. In general, the looser I setup the diff, the better the car rotates, for me.
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Old 02-06-2011, 09:15 AM   #6
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start loose, hold both rear tires and try and slip the diff with the spur, tighten it to the point where you can't slip it, the diff should still feel very free.
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Old 02-06-2011, 10:46 AM   #7
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The general rule is that the diff should never slip on the track. If it does slip all your hard earned power is going down the drain.

The easiest method is to hold one wheel and the pulley(on the rear diff) and try and turn the other wheel. It should not turn.

Another way to do it is to take the diff out and lock both out drives. Then try and turn the pulley. It should not turn.

Your rear diff should not slip at all but you probably want it set as free as possible without slipping as this will give you good traction and handling.

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Old 02-06-2011, 12:55 PM   #8
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If you are running a TC, make sure your front diff is alittle tighter then the rear, so when You are going around a corner, and on the power, it will pull you out of the corner, rather then having the rear end of the car stepping out on you.

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Old 02-07-2011, 09:32 AM   #9
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Great, thanks for the info!
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Old 02-07-2011, 09:50 AM   #10
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The general rule is that the diff should never slip on the track. If it does slip all your hard earned power is going down the drain.

The easiest method is to hold one wheel and the pulley(on the rear diff) and try and turn the other wheel. It should not turn.

Another way to do it is to take the diff out and lock both out drives. Then try and turn the pulley. It should not turn.

Your rear diff should not slip at all but you probably want it set as free as possible without slipping as this will give you good traction and handling.

regards
Mike
I will disagree, that setting is TOO tight, the diff will be hard to rotate and the car will push.

it should turn, but the force required to turn will be extremely hard!
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