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Old 10-26-2004, 09:47 PM   #1051
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Default A tip for the new builders here.

that don't already know. With a perm marker, I mark on the edge of two teeth on the diff gear and one on the input shaft pinion gear. This way everytime you remove your diffs you can assemble them back the way they were. Otherwise it takes time to wear the gears in again. Just a tip for a broke in super smooth tranny every time.
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Old 10-26-2004, 09:56 PM   #1052
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Default Are any of you guys...

putting shims in the steering to snug it up?

AMGRacer go to pages 24, 25, 26,27 that topic starts there ref. shocks.

Last edited by Nightbreed; 10-26-2004 at 10:15 PM.
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Old 10-26-2004, 10:19 PM   #1053
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What do you have to mod in order for the tc3 castor blocks to fit, since there are only the 0* TC4 blocks available now
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Old 10-26-2004, 10:27 PM   #1054
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Default Nothing....

just put them in and go. I just put a set of TC3 4 degrees in mine.
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Old 10-26-2004, 10:33 PM   #1055
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My TC4 drivetrain is free'r than my TC3 that I had to grind down. No problems with it what-so-ever. I think the new diff cases are just awesome. Gotta get a set for my TC3 (backup car).
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Old 10-26-2004, 10:56 PM   #1056
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Default Kilruf...

I agree. It's free at last! I only have about 10 laps on mine and I didn't even degrease the bearings. It's way more free than my TC3 ever got. I may have to try degreasing them for a change.
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Old 10-27-2004, 12:30 AM   #1057
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Default

Quote:
Originally posted by AMGRacer
Not to sound like a jerk, but i see a bunch of people using aftermarket parts into the TC4 ending up with some drivetrain issues. I built mine with no aftermarket parts. Mayby try the kit as it is without aftermarket parts and see the fit and finish first, perhaps the aftermarket parts are a little off?
I AGREE TOTALLY!!!!!

Hey Speedo....try building the car WITHOUT those aftermarket aluminum diffs and spur gear adapters. Are you sure THOSE PARTS aren't out of spec?

I would suggest taking the car apart and building it with the parts included IN the kit. You may, now, have to purchase new, unmodified gear cases.

Nightbreed: You can install small motor shims on the steering to tighten it up a bit. I leave a little slop to make the car a little more forgiving to steering inputs....getting old here, and I need all the help I can get to smooth out the steering!!!

PIIHB: There are no modifications needed to fit the TC3 caster blocks on the TC4. Only difference is that the TC4 blocks are now symmetrical, unlike the TC3 blocks.

Quote:
Originally posted by DOTMAN
Speedo, I had a binding problem too until I removed the bevel gear and took off all the flashing from the backside of the gear. It was not allowing the gear to seat properly
It does mention to do this step in the instruction manual.
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Last edited by TPhalen; 10-27-2004 at 12:36 AM.
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Old 10-27-2004, 12:40 AM   #1058
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Default Ya...

me to and I think I'll stick with the stock setting.
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Old 10-27-2004, 12:43 AM   #1059
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On a side note, my site is up and running again. Had a small IP Addy problem....got it fixed and all is well.
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Old 10-27-2004, 01:05 AM   #1060
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Tony - I fully intend to put the plastic diffs in the car to see if the IRS outdrives are the problem. However I don't see how the spur gear adapter could be causing anything, I will replace that with the stock part also if you recommend it.

The problem here is that the plastic diffs melt when running mod. When I got my TC3 I melted the diff every run no matter what I did to the car, until I got the IRS outdrives. Unless you are telling me something is different about the diffs...however they look exactly the same as on the TC3 to me. $120 worth of IRS aluminum parts after buying the FT TC3, I was actually able to FINISH a race without a diff melting.

Josh
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Old 10-27-2004, 01:24 AM   #1061
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Default I have read about people melting the...

plastic diffs but I have never done this. I have run the diffs in stock and mod. In fact, I'm running a brushless in mod mode with no problems. Are you sure your not running them too loose with not enough grease? If they are loose it causes them to spin too much and heat up. I compress the spring all the way and back it off a 1/4 to a 1/2 turn. I would just use the steel ones if your running mod. More and more I'm thinking the lightened parts are not worth it. Other than maybe some good bearings, graphite kit, lightened screws and plastic cvds. Other than that the rest is for the birds. I would rather not have to worry about breakage.
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Old 10-27-2004, 02:11 AM   #1062
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Default

So can you use the irs diff halfes

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Old 10-27-2004, 02:26 AM   #1063
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Quote:
Originally posted by Chazz
So can you use the irs diff halfes

Chazz
Yes they will fit. Just make sure you shim them right. Its not hat hard to do. Put it together as the directions state and take a good look at how the gears mesh up then try to repeat that with the IRS parts. The geometry of the TC4 drivetrain is exactly the same as the TC3 the only parts changed were the driveshaft and drive cups. And the diff cases.

Tony whats the difference in diff cases? Are the ones in the TC4 different from the ones available this spring. My TC3 never had a problem with the newer cases I installed this summer. And I did nothing to those, and the bearings would fall right out perfectly and had no shimming issues. I use the Diggity Designs driveshaft and input shafts and had no problem shimming them at all. Of course I never had a problem with my IRS shafts either.
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Old 10-27-2004, 05:22 AM   #1064
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all these americans are very amusing, all of the problems with this car so far and everyone is still praising it. Sounds like no one here has ever built an xray.
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Old 10-27-2004, 07:00 AM   #1065
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Default Re: NTC3 bumper conversion...

Quote:
Originally posted by Nightbreed
I think it will be much better protection for my TC4.
Kevin from Rubberneck Racing has some new TC4 bumpers that are REALLY nice. Better foam than I've seen used anywhere. He's wannnabe on this forum.

Tony P.
What's your take on the thick diff gear issue?

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