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Old 02-22-2006, 01:07 AM   #3511
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Quote:
Originally Posted by asw7576
How many mm thick ?
3mm
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Old 02-22-2006, 06:06 AM   #3512
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Originally Posted by jaykay
do you primed your new ball bearings? Like cleaning it with brakecleaner and put in new bearing lube ?
Before assembling I do a quick check of the bearings, ensure that all go smooth, if all are OK, I'll assemble them as they come. Mugen bearings are of enough quality for not needing to mess with it before being used.

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I have seen, that some guys open one side of the bearing and let it open.
This is an 'old school' trick, mainly used on electrics. In a effort of remove all the possible friction of the bearings that came with plastic seals, the trick was to remove only one seal (the one that go to the inner side of sealed parts - i.e: remove the inner seals of the pair of bearing that came on the uprights). This needed a much intense maintance routine with the bearings.

Is a bad idea try to mess with metal seals, use them as they came, clean and lube them regularly and when're worn, try to change them to a full ceramic bearing (balls and tracks - expensive but the best you can get in bearings).
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Old 02-22-2006, 07:26 AM   #3513
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Quote:
Originally Posted by Corse-R
This is an 'old school' trick, mainly used on electrics. In a effort of remove all the possible friction of the bearings that came with plastic seals, the trick was to remove only one seal (the one that go to the inner side of sealed parts - i.e: remove the inner seals of the pair of bearing that came on the uprights). This needed a much intense maintance routine with the bearings.

Is a bad idea try to mess with metal seals, use them as they came, clean and lube them regularly and when're worn, try to change them to a full ceramic bearing (balls and tracks - expensive but the best you can get in bearings).
most of the mtx4 bearings come with plastic seals. of course, I will try it. the mugen bearings need to much time until they run smooth. there are filled with thick grease.
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Old 02-22-2006, 08:40 AM   #3514
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Quote:
Originally Posted by jaykay
most of the mtx4 bearings come with plastic seals. of course, I will try it. the mugen bearings need to much time until they run smooth. there are filled with thick grease.
Be forewarned that removing plastic seals entitles you to take an intense care of the bearings cleanliness.

Before removing seals, try to clean them on denatured alcohol or brake cleaner and putting a dab of oil (the best I've found: Serpent bearing oil - this along the one-way bearing oil are the two best oils you can get for your bearings).

Mine were really fine after running some tanks (needed to break-in a engine, so wasn't much problem about), cleaned the car and the bearings and put a dab of Serpent oil on them and they run as free as possible without making strange noises.
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Old 02-22-2006, 09:11 AM   #3515
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Quote:
Originally Posted by jaykay
most of the mtx4 bearings come with plastic seals. of course, I will try it. the mugen bearings need to much time until they run smooth. there are filled with thick grease.
I occasionally rebuild the bearings like 3 or 4 months interval. I clean and lubricate them with tamiya ceramic grease.
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Old 02-22-2006, 04:09 PM   #3516
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Default 25 tooth side pulley

Earlier in this thread there was discussion on a 25 tooth side pulley to replace the 24 tooth item. Does anyone have a part number, is it a Mugen part ?

Thanks in advance
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Old 02-22-2006, 06:50 PM   #3517
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Originally Posted by Steve W
Earlier in this thread there was discussion on a 25 tooth side pulley to replace the 24 tooth item. Does anyone have a part number, is it a Mugen part ?

Thanks in advance
Its not really a replacement. Its an option parts. Not sure what's the part number but it comes together with the pulley set parts.

They were saying you could run a 1mm split with the 25 teeth side pulley thou unlike the 24 teeth which you will run 2.5mm split.
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Old 02-22-2006, 08:15 PM   #3518
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Originally Posted by Vinyard
Its not really a replacement. Its an option parts. Not sure what's the part number but it comes together with the pulley set parts.

They were saying you could run a 1mm split with the 25 teeth side pulley thou unlike the 24 teeth which you will run 2.5mm split.
So is it the 25t what will make the front to back drive 1:1 like the MTX-3 use to be?
The part number is T0259C and the ring that matches it is T0259D. For the 25t side pulley.

Last edited by THE DOCTOR; 02-22-2006 at 08:27 PM.
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Old 02-22-2006, 08:19 PM   #3519
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Quote:
Originally Posted by THE DOCTOR
So is it the 25t what will make the front to back drive 1:1 like the MTX-3 use to be?
Ideally yes.
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Old 02-22-2006, 08:39 PM   #3520
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Regarding the 25t pulley. If you want a 1:1 drive you essentially run no tire split. Run the fronts and rears at the same size.

I think it was said earlier, the 25t pulley comes in the bag with all the other pulleys.
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Old 02-22-2006, 09:06 PM   #3521
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My car kit came with the 24t & the 25t.
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Old 02-22-2006, 09:08 PM   #3522
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All the current MTX4 kits come with 24t and 25t now, cuz they realized that the 23t is practically un-usable.
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Old 02-22-2006, 09:37 PM   #3523
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for those who running 25t side pully, how do you guys manage to wire the exhaust hanger without touching it ? i am running 24t and there's barely any space between it.
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Old 02-22-2006, 09:40 PM   #3524
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can't figure why they make 23t in the first place, i have tried and needed to run some crazy splits like 6mm to get the car run right

Quote:
Originally Posted by ogreasurada
All the current MTX4 kits come with 24t and 25t now, cuz they realized that the 23t is practically un-usable.
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Old 02-22-2006, 09:52 PM   #3525
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