Setups
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Gearing
Stock gearing for the Schumacher Cougar LD2/LD2 SS, with common pinions and their ratios.
| Pinion | Spur ÷ pinion | FDR |
|---|---|---|
| 18T | 4.44 | 11.24 |
| 19T | 4.21 | 10.65 |
| 20T | 4.00 | 10.12 |
| 21T | 3.81 | 9.64 |
| 22T | 3.64 | 9.20 |
| 23T | 3.48 | 8.80 |
| 24T | 3.33 | 8.43 |
| 25T | 3.20 | 8.10 |
| 26T | 3.08 | 7.78 |
| 27T | 2.96 | 7.50 |
| 28T | 2.86 | 7.23 |
| 29T | 2.76 | 6.98 |
| 30T | 2.67 | 6.75 |
| 31T | 2.58 | 6.53 |
| 32T | 2.50 | 6.32 |
Shaded rows are the pinions most 1/10 2WD buggy setups run on the stock spur.
What pinion should I run?
Tell us your motor and track and get a starting pinion for the Schumacher Cougar LD2/LD2 SS, with the range racers in the class run.
Get a recommendation →Shop pinion gears at AMain →What pinion gear should I use on the Schumacher Cougar LD2/LD2 SS?
It depends on your motor and the track. In the 1/10 2WD buggy class, racers gear by final drive ratio: 6T and below near 9.40, 7.5–8.5T near 9.22, 17.5T near 6.48. On the Cougar LD2/LD2 SS's stock 80T spur that is about 22T for 6T and below, 22T for 7.5–8.5T, 31T for 17.5T. Tight tracks gear down, open tracks gear up. For a starting pinion matched to your motor, use the So Dialed Pinion Recommender with the Cougar LD2/LD2 SS selected.
What is the internal ratio (transmission ratio) of the Schumacher Cougar LD2/LD2 SS?
The Cougar LD2/LD2 SS has an internal ratio of 2.53:1. Final drive ratio = spur ÷ pinion × 2.53. With the stock 80T spur, a 18T pinion gives an FDR of 11.24 and a 32T gives 6.32.
How many teeth is the stock spur gear on the Schumacher Cougar LD2/LD2 SS?
80 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 (Astro). Part numbers link to AMain.
- Front
- 550 cst
- Rear
- 400 cst
What shock oil does the Schumacher Cougar LD2/LD2 SS come with?
Out of the box the Cougar LD2/LD2 SS runs 550 cst front, 400 cst rear (CORE oil), on 3 x 1.5mm - White (#U3770) front, 3 x 1.7mm - Red (#U7631) 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 Schumacher Cougar LD2/LD2 SS come with?
The kit springs are 4.0lb Black (#CR183) front, 2.2lb Green (#CR186) rear. Stiffer springs suit high grip and big jumps; softer springs add grip on slick or bumpy tracks.
Setup Help
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