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Old 05-30-2003, 02:40 PM   #4231
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Same here... we tried different lubes for both the TC3 and the NTC3, they fried the Diff gears... now, we went back to the original AE steath lube, seems to work better, especially on the electric car.
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Old 05-30-2003, 04:33 PM   #4232
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great..thanks guys...I'll mount it there..I was also thinking of mounting it on the front of the car..with one screw going into that unused 4th gearbox mounting hole....
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Old 05-30-2003, 04:39 PM   #4233
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If you guys want to how to build a good diff go to IRS' web site and follow the instructions, except for the pinning of the rings. Results in very smooth diffs that don't slip. I need to try gluing some rings when I get a chance.
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Old 05-30-2003, 06:19 PM   #4234
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hey ntc3nut are u using a centax or the aluminum shoes from crazy nut? I have some aluminum shoes on the way, thought i would try them. Dave from crazy nut set that you have tried them. What did you think? do you like them?
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Old 05-30-2003, 06:24 PM   #4235
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ntc3nut, he also said that you have one of his heads. How do you like that as well? I bought one for my 1/8 buggy
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Old 05-30-2003, 06:28 PM   #4236
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I have used his shoes for a while now and they are good. I would suggest running the stock springs with them first to see if you want more snap. I felt with the copper springs it would get too many rpms before engaging. I might try the copper springs again at the track though. I only tried them in an unprepped parking lot. The car would break the tires loose all the time.

His heads are awesome, I don't know what more to say. Dave is a great guy and you won't go wrong with anything you buy from him.

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Old 05-30-2003, 06:41 PM   #4237
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I have only had a chance to try the shoes off the track, I will get to try them on the track this Sunday. I can tell you that they hook-up! I have been running a Kawahara centax since mid season last year and I loved it, but I just had to try these shoes from Crazy Nut. Dave makes Awesome stuff. I have one of his heatsinks on my NTC3 and it works great, better than anything else I have tried. I have convinced several other guys at my local track to invest in his heatsinks as well, and they are all very happy. One note on the aluminum clutch shoes, I weighed them verses stock clutch shoes, and clutch shoes I had drilled (what I was using before my centax). Here's what I found:

(3) stock clutch shoes - 4.5356g
(3) drilled clutch shoes - 3.8693g
(3) aluminum Crazy Nut shoes - 4.3304g

I went ahead and drilled the Crazy Nut shoes with a 3/32" bit, to get them more in line with the drilled shoes that I used last year. I also use the "heavy" copper clutch springs. I'll let you know how they work out.
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Old 05-30-2003, 06:49 PM   #4238
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I'm looking for more snap. I'll give them a shot. might end up buying a centax. I tried the MIP shoes, wasn't to impressed. The spring gets weak after a while
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Old 05-30-2003, 06:52 PM   #4239
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Oh thanks for the info guys, thanks for the weight comparison, saved me the trouble
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Old 05-30-2003, 06:54 PM   #4240
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Your track must have some serous traction. At least I hope it does because these shoes really grab hard. Well good luck and I'll get to try them on a little better track on Sunday too so Monday I'll have some more information on them.

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Old 05-30-2003, 06:55 PM   #4241
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oh yeah, they lay VHT
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Old 05-30-2003, 07:03 PM   #4242
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Yes, we have ALOT of traction. That along with 28mm & 30mm - 45/40 shore foams, and you don't get alot of tire spinning, even with a really good .12. I also like alot of snap, I ran my centax tight, with 20/26 gearing.

And just my 2-cents, if these work as well as I think they will, why spend the cash on a centax. $15 bucks vs. $75? Not to mention the maintenance, lubing the thrust bearing every 2-3 runs, ect.. Don't get me wrong, you can't beat the adjustability of the centax, and boy does it look cool, but it's not cheep.
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Old 05-30-2003, 07:15 PM   #4243
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I used to have the sepent impulse with the centax and it was great, never had a problem with the thrust bearing . the kawahara thrust bearing wears out that fast?
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Old 05-30-2003, 08:23 PM   #4244
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No, the thrust bearing has to be relubed, like every other centax out there. You have to do this every 2-3 runs max, or the thrust bearing will fall apart.
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Old 06-01-2003, 02:11 AM   #4245
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Quote:
Originally posted by NTC3NUT
No, the thrust bearing has to be relubed, like every other centax out there. You have to do this every 2-3 runs max, or the thrust bearing will fall apart.
No, not that often. I clean/relube the thrust bearing on my 1/8th scale only once, before a full day of practice. A .12 engine can get away with a relube between race weekends. Have had no problems with either.
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