Setups
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Gearing
Stock gearing for the ARRMA Vorteks 4X4 BLX, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 14T | 4.07 | 11.60 |
| 15T | 3.80 | 10.83 |
| 16T | 3.56 | 10.15 |
| 17T | 3.35 | 9.56 |
| 18T | 3.17 | 9.03 |
| 19T | 3.00 | 8.55 |
| 20T | 2.85 | 8.12 |
| 21T | 2.71 | 7.74 |
| 22T | 2.59 | 7.38 |
| 23T | 2.48 | 7.06 |
| 24T | 2.38 | 6.77 |
| 25T | 2.28 | 6.50 |
| 26T | 2.19 | 6.25 |
| 27T | 2.11 | 6.02 |
Shaded rows are the pinions most 1/10 4WD truck setups run on the stock spur.
What pinion should I run?
Tell us your motor and track and get a starting pinion for the ARRMA Vorteks 4X4 BLX, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the ARRMA Vorteks 4X4 BLX?
It depends on your motor and the track. Racers in the 1/10 4WD truck class run a 16–25 tooth pinion in most setups, usually on a 81T spur for a final drive ratio near 10.93. Hotter motors (lower turns, higher KV) take a smaller pinion; tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the Vorteks 4X4 BLX selected.
What is the internal ratio (transmission ratio) of the ARRMA Vorteks 4X4 BLX?
The Vorteks 4X4 BLX has an internal ratio of 2.85:1. Final drive ratio = spur ÷ pinion × 2.85. With the stock 57T spur, a 14T pinion gives an FDR of 11.60 and a 27T gives 6.02.
How many teeth is the stock spur gear on the ARRMA Vorteks 4X4 BLX?
57 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.
What shock oil does the ARRMA Vorteks 4X4 BLX come with?
Out of the box the Vorteks 4X4 BLX runs 500 cst front, 500 cst rear. 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 ARRMA Vorteks 4X4 BLX come with?
The kit springs are Kit (#330712) front, Kit (#330713) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
Setup Help
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