Setups
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Gearing
Stock gearing for the Xpress EXECUTE XQ2S 4WD, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 20T | 5.80 | 11.02 |
| 21T | 5.52 | 10.50 |
| 22T | 5.27 | 10.02 |
| 23T | 5.04 | 9.58 |
| 24T | 4.83 | 9.18 |
| 25T | 4.64 | 8.82 |
| 26T | 4.46 | 8.48 |
| 27T | 4.30 | 8.16 |
| 28T | 4.14 | 7.87 |
| 29T | 4.00 | 7.60 |
| 30T | 3.87 | 7.35 |
| 31T | 3.74 | 7.11 |
| 32T | 3.63 | 6.89 |
| 33T | 3.52 | 6.68 |
| 34T | 3.41 | 6.48 |
| 35T | 3.31 | 6.30 |
| 36T | 3.22 | 6.12 |
| 37T | 3.14 | 5.96 |
| 38T | 3.05 | 5.80 |
| 39T | 2.97 | 5.65 |
| 40T | 2.90 | 5.51 |
| 41T | 2.83 | 5.38 |
| 42T | 2.76 | 5.25 |
| 43T | 2.70 | 5.13 |
| 44T | 2.64 | 5.01 |
| 45T | 2.58 | 4.90 |
| 46T | 2.52 | 4.79 |
| 47T | 2.47 | 4.69 |
| 48T | 2.42 | 4.59 |
| 49T | 2.37 | 4.50 |
| 50T | 2.32 | 4.41 |
| 51T | 2.27 | 4.32 |
| 52T | 2.23 | 4.24 |
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 Xpress EXECUTE XQ2S 4WD, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the Xpress EXECUTE XQ2S 4WD?
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 EXECUTE XQ2S 4WD's stock 116T spur that is about 30T for 6T and below, 49T for 13.5T, 49T for 17.5T, 60T 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 EXECUTE XQ2S 4WD selected.
What is the internal ratio (transmission ratio) of the Xpress EXECUTE XQ2S 4WD?
The EXECUTE XQ2S 4WD has an internal ratio of 1.9:1. Final drive ratio = spur ÷ pinion × 1.9. With the stock 116T spur, a 20T pinion gives an FDR of 11.02 and a 52T gives 4.24.
How many teeth is the stock spur gear on the Xpress EXECUTE XQ2S 4WD?
116 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 (AsphaltMedGrip). Part numbers link to AMain.
- Front
- 450 cst
- Rear
- 450 cst
- Front
- Silver medium #XP-10169 →
- Rear
- Silver medium #XP-10169 →
- Front
- 4-hole
- Rear
- 4-hole
- Rear
- 5,000 cst
What shock oil does the Xpress EXECUTE XQ2S 4WD come with?
Out of the box the EXECUTE XQ2S 4WD runs 450 cst front, 450 cst rear, on 4-hole front, 4-hole 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 Xpress EXECUTE XQ2S 4WD come with?
The kit springs are Silver medium (#XP-10169) front, Silver medium (#XP-10169) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
What diff fluid does the Xpress EXECUTE XQ2S 4WD come with?
The kit diff fluid is 5,000 cst rear. Thicker front adds steering on power; thicker center sends more drive rearward; thicker rear stabilizes the car under throttle.
Setup Help
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