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Old 08-21-2002, 07:14 AM   #2326
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Tony,

as always thanks for the great information....what am I looking for specifically on the new arms, as I have gotten bitten a couple of times at my LHS buying parts that were not the latest revision...

Thanks,
John

PS. with the info provided here I have improved to making A-Main's this outdoor season, which is a considerable improvements from my B-Main speed bumb appearances, or the C-Main win....Thanks!!!
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Old 08-21-2002, 08:49 AM   #2327
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Default locked diffs

need help in locking my steel diffs...............how and where to drill........any other options? is this good for stock racing?
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Old 08-21-2002, 10:46 AM   #2328
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Quote:
Originally posted by TigeRyan
Just blew out my old Airtronics servo this weekend in my TC3 and since I need to replace it I want to get a servo that will serve me well and was wondering what some of you run, I prefer Futaba (never blown one out, knock on wood!) but would listen to other suggestions...
Without any doubt about them. Futaba 9450's are one of the best servos you can bolt to your mean machine. KO Fet servos are quite good, but stay away from those nasty PS7xx series servos, get a PS2xxx series servo and can be almost indestructible too.
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Old 08-21-2002, 10:55 AM   #2329
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Hey tigeryan-- I've been using my trusty airtronics 258 for about 2 years now and it still rocks!! Which ever serco you buy, make sure it has metal gears(durability) ang dual ball bearings. Generally a tourquey servo will have good centering characteristics, which if you've ever noticed on heap servos you have to counter steer to get the car to track straight when leaving a turn.

Whan I installed the rear tower up front, I just took off about 3mm of plastic off of the lower ball cup (about 3 threads exposed on the shaft). I can now easily get 3mm ride height if I wanted. It's the cheapest and most practical way to get the job done! Hope this helps--Al
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Old 08-21-2002, 01:20 PM   #2330
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Default Spur Gears

I'm hearing different things about what spur gears to use, in any kit not just a TC3.

From what I heard on another thread, 64 pitch spur gears are the way to go to be more competitive. 88 for stock racing and 100 for mod. I know that you can achieve the same thing with 48 pitch, in regards to final gear ratio or close to it but I want to know what you guys think and what are you running in your TC3, 88 or 100 Stock or MOD
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Old 08-21-2002, 01:55 PM   #2331
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I always try to use the biggest spur that will allow the gearing I need. Usually 96t for stock and 100t for mod in my TC3. I really don't think 88 is necessary, I've run as high as 96/42 and that was on a very large outdoor track that was setup more for the gas cars. When you change pinions with 64p, the change in ratio isn't as much compared to 48p. It's like going up or down a 1/2 tooth with 48p.
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Old 08-21-2002, 02:48 PM   #2332
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I heard the samething about going up or down. Wow, 5.74 FGR you must have been flying.

So what's your recommendation, go with a 96?
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Old 08-21-2002, 02:59 PM   #2333
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What does putting the rear tower on the front do and what is the part number for the newer arms?
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Old 08-21-2002, 05:29 PM   #2334
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Spongebob....go back a couple pages..there are several pages on the subject.
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Old 08-21-2002, 06:08 PM   #2335
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This setup with a locked front diff is fine. But has anyone tryed a one way in the rear aswell. If you do would you have to change the direction of the bearings in the one way, other wise it would become a 2WD car. Is that correct ??????.

I still can't get over how good the locked front diff is, in therory it should not work and should understeer, but it does work.

Coxy.
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Old 08-21-2002, 06:39 PM   #2336
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Ok, I'll go back, I was just being lazy.

One more thing, where can I pick up those white delrin machined spur gears? The Kimbro's are never round.
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Old 08-21-2002, 06:40 PM   #2337
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Mike F....for stock, I'd definately go with a 96t
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Old 08-22-2002, 05:58 AM   #2338
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BBspence - cool, thanks
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Old 08-22-2002, 07:24 AM   #2339
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Quote:
Originally posted by spongebob
Ok, I'll go back, I was just being lazy.

One more thing, where can I pick up those white delrin machined spur gears? The Kimbro's are never round.
Spongebob -- not to "argue", but in 13 years of racing R/C, the Kimbrough gears are the best I've ever found... What sort of problems are you having? I've used them in 12th scale and 10th scale pan cars (64 pitch), and 48 pitch for Legends, pan cars, and of course, my TC3's. I've never had a gear that wasn't "round".

Like I said, not trying to argue, just curious as to what sort of problems you have had....
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Old 08-22-2002, 09:23 AM   #2340
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The kimbro's all seem to have a high spot on them so one side of the mesh is pretty tight and the other side is a little loose.
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