NC Miata - Coilover Rates & Sway Bar Sizes
Submitted by shredjesse on Mon, 02/26/2024 - 12:12
So one of my more useful posts over in my C5 Corvette blog is the spring rates and sway bar sizes that all the various companies offer. It helps to see just who is offering what along with it helps communicate with folks about what sort of steering balance they are experiencing and what reccomendations could be made.
Sway Bar Sizes
| Brand | Front* | Rear* | Notes |
| OEM Base | 21 / 2.5 | 11 / ? | |
| OEM Sport | 21 / 2.5 | 12 / ? | |
| RX8 Red | 25.4 / 3.3 | 16 / 1.9 | |
| RX8 Yellow | 26.8 / 3.5 | 16 / 2.5 | |
| RX8 Orange | 27.2 / 4 | 16/ 2.5 | |
| Eibach | 25.4 / ? | 16 / ? | |
| Racing Beat | 25.4 / 2.4 | 19 / 2.4 | |
| Hotchkiss | 27 / 4.0 | 20.6 / 4.0 | |
| H&R | 22 ? ? | 16 / ? | |
| Progress | 28..6 / 6.4 | 17.5 ? ? | |
| Flying Miata | 25.4 / ? | 19 / ? |
*(Note, all sizes in outerdiameter / wall thickness, in MM)
Coilover Spring rates
| Brand | Front | Rear | Notes: |
| Meister R CRD | 6kg/mm | 5kg/mm | |
| Meister R Clubrace | 10kg/mm | 6kg/mm | |
| Ohlins (BBR) | 7.14kg/mm | 5.1kg/mm | |
| Ohlins | 8.16kg/mm | 6.12kg/mm | |
| MX5 Supercup (Gaz) | 8.95kg/mm | 6.27kg/mm | |
| Xida (track use) | 11kg/mm | 7kg/mm | |
| Xida (touring) | 5kg/mm | 4kg/mm | |
| Feal 441 Roadracing | 12kg/mm | 7kg/mm |