From the Paddock
Racing tech · Driver stories · Everything spec
Driver Rankings
← Driver Toolbox Driver Rankings See where you stack up against the rest of the Rush SR field. Live race data, head-to-head comparisons, and honest stats. How It Works Driver Rankings pulls live race data from every 2025 Rush SR event and ranks you against every other driver who has competed in at least 3 […]
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Rush SR vs FF1600 Two open-wheel spec formulas. One is a 60-year-old ladder step. The other is built for drivers who actually want to race. An Honest Comparison FF1600 has a legendary history. It’s where Ayrton Senna, Michael Schumacher, and countless F1 drivers cut their teeth. We’re not here to trash it. We’re here to […]
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Rush SR vs SRF3 Two spec race cars. One has 40 years of SCCA history. The other was built for drivers who want more car for less money. An Honest Comparison Spec Racer Ford Gen3 is one of the most successful spec racing platforms in SCCA history. We’re not here to trash it — we’re […]
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Other Places to Race The Rush SR is built for wheel-to-wheel racing. Whether you’re competing in the GridLife RUSH National Championship or exploring other series, here’s where you can race your Rush SR. Race Where You Want The Rush SR is eligible for multiple racing series across North America. While the GridLife RUSH National Championship […]
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← Driver Toolbox Season Cost Calculator How much does a Rush SR racing season actually cost? No hidden numbers. Adjust the inputs, get a real estimate. The Real Numbers Every runtime cost in this calculator comes from actual operating data, cross-referenced with the Holmberg racing cost tracker. The Rush SR runs about $150/hour all-in: fuel, […]
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← Driver Toolbox Gear Ratio Calculator 14T or 15T? See your speed in every gear, at any RPM, with per-track sprocket recommendations for the 2026 season. 14T vs 15T — The Only Choice You Have The Rush SR tech regs allow two front sprocket options: 14-tooth and 15-tooth. Rear is locked at 44T. That’s it. […]
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← Driver Toolbox Camber Shim Calculator Enter your measured camber, target, and current shims — get the legal shim combination closest to your target. How This Works The Rush SR uses shim stacks to set camber. Three sizes: Large (2mm), Medium (1mm), Small (0.5mm). Adding shim thickness makes camber less negative. Removing it makes camber […]
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09→Update Your AiM Dash Config Upload your .zconf2 file exported from RaceStudio and we'll merge Rush's latest safety alarms, math channels, and display settings into it. Note: This tool requires a .zconf2 file. If your export produces a .zconfig file, update your version of RaceStudio3, then re-export. 1 Export your current config from RaceStudio as [...]
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Driver Toolbox Tools and resources built for Rush SR drivers. Tech Resources & Forms Official documentation, technical variance requests, and approval forms. AiM Config Merge Merge AiM RaceStudio configurations — combine channels, sensors, and settings from multiple .zconf2 files. AC Replay Converter Convert your AiM telemetry into Assetto Corsa replays you can share and review […]