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Old 12-26-2008, 12:32 PM   #1
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Default TC5 Setup Help

Hi All,

I have recently got back into racing after a 8 year absence. I bought a TC5R and after spending a lot of time trying to setup the diff I finally got the car ready to test. I took the car to my local track and spent 2-3 hours setting the car up (7 laps or so, adjust and so on).

My problem is that the back end of the car is really unstable, its better than it was but still difficult to control. If I power too much out of a corner the car steps out, if I correct the direction down the straight to much the car starts to snake.

Any help in what may be wrong or what to look for would be appreciated.
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Old 12-26-2008, 01:18 PM   #2
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I know this sounds bad, but it is a start.
Is this a new car right out of the box and did you build it?
Then you set it up like the directions?

Make sure the shocks are the same length

Do you have any set up tools, ie.. ride height, camber gauge, tweak station?
Or access to these tools?
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Old 12-26-2008, 04:06 PM   #3
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Jmaster,

I recommend having at least 3 degrees of rear toe in. Also try going to the TC5 thread for more info.
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Old 12-26-2008, 04:36 PM   #4
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I've found that my TC5R likes a lot more camber than other cars. You'll also see a noticeable difference with droop settings.

Are you running a spool in front?
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Old 12-26-2008, 04:42 PM   #5
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If it's a TC5R, then it should have a slipper spool in the front. I would probably check there and see if it is loose. All my other ideas have been said already.
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Old 12-26-2008, 06:05 PM   #6
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before you do any of what was said above,( expect for checking the spool) find one of the local hotshots that is running a tc5 , make a setup sheet of their car, set yours up like it, and go from there.
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Old 12-27-2008, 08:41 AM   #7
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Jmaster,

Welcome back to racing!

What surface are you running on? If asphalt, try one of the setups from the 2007 Reedy Race that is posted on the AE site...These setups are very balanced and are a great starting point...
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Old 12-28-2008, 09:32 AM   #8
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Thanks for the feedback, to answer some of your questions

I'm racing on a carpet surface

I built the kit from scratch myself

I actually took the spool out of the front and that seemed to help, although I did make other changes at the same time. Should I generally have a spool diff in the front whenever I run Rubber?

I'll play around with the camber and droop setting and see if that makes any differance.

One more question, the pic below shows my tires after a day of setup, is this normal, I always used to run foam so am unsure is this kind of markings are normal for rubber on carpet?
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Old 12-28-2008, 07:03 PM   #9
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What tire are you running? That looks like you have a very soft tire on that car.
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Old 12-28-2008, 07:22 PM   #10
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Quote:
Originally Posted by jmaster View Post
Thanks for the feedback, to answer some of your questions

I'm racing on a carpet surface

I built the kit from scratch myself

I actually took the spool out of the front and that seemed to help, although I did make other changes at the same time. Should I generally have a spool diff in the front whenever I run Rubber?

I'll play around with the camber and droop setting and see if that makes any differance.

One more question, the pic below shows my tires after a day of setup, is this normal, I always used to run foam so am unsure is this kind of markings are normal for rubber on carpet?
Take the tire off the car and scrub it with motor spray on a towel. That should take the gunk off, then, immediately after apply dope and let it sit. the next run your tires should be alot prettier and stickier.
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Old 12-31-2008, 05:45 PM   #11
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Running rubber tires on carpet, I would start with a diff and then check out a one way. The one way is the fastest way, but it takes a different driving style.
You might have a problem with excess ware or breakage with the spools.
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Old 01-07-2009, 09:20 AM   #12
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Hi i got a tc5r last october to get back into racing again after a 10yr break and i have had problems building the diffs on the car but have found that if you use a thrust bolt and screw out of an hpi it looks more or less the same as the tc5 original except the nut is allready in a plastic housing which makes it go together much easier
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Old 01-07-2009, 09:26 AM   #13
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Quote:
Originally Posted by smithy1983136 View Post
Hi i got a tc5r last october to get back into racing again after a 10yr break and i have had problems building the diffs on the car but have found that if you use a thrust bolt and screw out of an hpi it looks more or less the same as the tc5 original except the nut is allready in a plastic housing which makes it go together much easier
That's ecxactly the same thing I did Works like a champ
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Old 01-07-2009, 09:32 AM   #14
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jmaster
I had the same problem with the rear end being unstable, with the new diff it needs to be broken in first and then adjust the diff to were it's loose-med setting. It woked for me
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Old 01-07-2009, 10:14 AM   #15
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Quote:
Originally Posted by smithy1983136 View Post
if you use a thrust bolt and screw out of an hpi it looks more or less the same as the tc5 original except the nut is allready in a plastic housing which makes it go together much easier

The TC3 nut is encased in a (white) plastic housing and works like a direct replacement. Comes packaged with the white cap, with the white cap and long screw, or as part of a diff rebuild kit . The B4 part also works. (Can you tell that I didn't like the ones that came with the TC5?)
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