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Old 06-07-2010, 09:30 AM   #1
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Default centex clutch question

I was wondering if anyone could point me in the right direction on the clutch spring what does the spring do when you tighten it. as to what effect does it have? and what does it do when you have it to loose.?
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Old 06-07-2010, 09:38 AM   #2
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I was wondering if anyone could point me in the right direction on the clutch spring what does the spring do when you tighten it. as to what effect does it have? and what does it do when you have it to loose.?
when you tighten the spring, engine has to apply more power in order to compress it so that finally the clutch shoe touches the clutch bell and car
moves. This translates to more engine rpm until car starts to move. Looser setting on the spring translates to the opossite. In competion cars, we
want engine to have some rpm before clutch engages so that the car
has punch exiting the corners. The more engine rpm we have the more
aggressive is the clutch
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Old 06-07-2010, 09:55 AM   #3
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when you tighten the spring, engine has to apply more power in order to compress it so that finally the clutch shoe touches the clutch bell and car
moves. This translates to more engine rpm until car starts to move. Looser setting on the spring translates to the opossite. In competion cars, we
want engine to have some rpm before clutch engages so that the car
has punch exiting the corners. The more engine rpm we have the more
aggressive is the clutch
so i would want to make it tight i have a mugen mtxr4 btw. what would be the best setting to start out with
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Old 06-07-2010, 10:15 AM   #4
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so i would want to make it tight i have a mugen mtxr4 btw. what would be the best setting to start out with
Begin with what the manual says (0.6-1.0mm). If you plan to put a new motor on and want to run it in i would suggest 0.6-0.7mm for the first couple of tanks. As
a general rule:If you are running on a low traction track, try a soft setting, about 0.7-0.8mm (an agressive clutch wont help) or if it is a high traction track
begin with 1mm.

Make sure you also adjust right the clutch gap. If you can, get help from your lhs or an expirienced driver. Also, try a search here, a lot of threads are talking about
centax adjustment. Also, there is a clip of Michael Salven in youtube explaining how to build the clutch, have a look also.

Good luck,
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Old 06-20-2010, 05:45 PM   #5
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Easiest way to understand. The looser it is Clutch engages early. Tighter delay the engagement. Too Loose the collar will bottom out on the Gear cluster locking up the clutch.. .06-1mm. is only a starting measurement. Customize to you liking of engagement.
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