Setups
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Gearing
Stock gearing for the Team Associated TC7.1, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 20T | 4.35 | 8.70 |
| 21T | 4.14 | 8.29 |
| 22T | 3.95 | 7.91 |
| 23T | 3.78 | 7.57 |
| 24T | 3.63 | 7.25 |
| 25T | 3.48 | 6.96 |
| 26T | 3.35 | 6.69 |
| 27T | 3.22 | 6.44 |
| 28T | 3.11 | 6.21 |
| 29T | 3.00 | 6.00 |
| 30T | 2.90 | 5.80 |
| 31T | 2.81 | 5.61 |
| 32T | 2.72 | 5.44 |
| 33T | 2.64 | 5.27 |
| 34T | 2.56 | 5.12 |
| 35T | 2.49 | 4.97 |
| 36T | 2.42 | 4.83 |
| 37T | 2.35 | 4.70 |
| 38T | 2.29 | 4.58 |
| 39T | 2.23 | 4.46 |
| 40T | 2.17 | 4.35 |
| 41T | 2.12 | 4.24 |
| 42T | 2.07 | 4.14 |
| 43T | 2.02 | 4.05 |
| 44T | 1.98 | 3.95 |
| 45T | 1.93 | 3.87 |
| 46T | 1.89 | 3.78 |
| 47T | 1.85 | 3.70 |
| 48T | 1.81 | 3.63 |
| 49T | 1.78 | 3.55 |
| 50T | 1.74 | 3.48 |
| 51T | 1.71 | 3.41 |
| 52T | 1.67 | 3.35 |
Shaded rows are the pinions most 1/10 4WD touring/gt setups run on the stock spur.
What pinion should I run?
Tell us your motor and track and get a starting pinion for the Team Associated TC7.1, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the Team Associated TC7.1?
It depends on your motor and the track. In the 1/10 4WD touring/gt class, racers gear by final drive ratio: 6T and below near 7.34, 13.5T near 4.51, 17.5T near 4.51, 21.5T and up near 3.65. On the TC7.1's stock 87T spur that is about 24T for 6T and below, 39T for 13.5T, 39T for 17.5T, 48T for 21.5T and up. Tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the TC7.1 selected.
What is the internal ratio (transmission ratio) of the Team Associated TC7.1?
The TC7.1 has an internal ratio of 2:1. Final drive ratio = spur ÷ pinion × 2. With the stock 87T spur, a 20T pinion gives an FDR of 8.70 and a 52T gives 3.35.
How many teeth is the stock spur gear on the Team Associated TC7.1?
87 teeth. Changing the spur moves every pinion's ratio at once; most racers leave the spur and tune with the pinion.
Kit setup
Kit shock setup. Part numbers link to AMain.
- Front
- 37.5 wt
- Rear
- 37.5 wt
- Rear
- 3,000 cst
What shock oil does the Team Associated TC7.1 come with?
Out of the box the TC7.1 runs 37.5 wt front, 37.5 wt rear (Team Associated oil), on 4 x 1.1mm (#31747) front, 4 x 1.1mm (#31747) rear pistons. That is the kit setup; you will need to adjust it for your track conditions. The RC Setup App can help dial it in.
What springs does the Team Associated TC7.1 come with?
The kit springs are Blue 15.8lb/in (#31763) front, Blue 15.8lb/in (#31763) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
What diff fluid does the Team Associated TC7.1 come with?
The kit diff fluid is 3,000 cst rear. Thicker front adds steering on power; thicker center sends more drive rearward; thicker rear stabilizes the car under throttle.
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