RC Pit Calc Pro vs Powerband Precision

The RC gear ratio calculator trusted by racers and bashers — plus every other calculator you need at the track, in one free app. GEAR RATIO CALCULATOR Calculate gear ratio, final drive ratio (FDR), and rollout from your pinion and spur. Enter your gears "before and after" to see the real impact of gear and tire changes as a percentage (e.g. +2.5%), so you know exactly how much speed and motor load to expect. Built-in transmission data for hundreds of popular RC cars. PINION RECOMMENDER Not sure which pinion to run? Pick your car, enter your motor, and get a starting pinion from how racers in your class actually gear, plus the range they run. Built from real race setups across hundreds of classes. TOP SPEED CALCULATOR For electric cars with brushless motors: enter basic info about your setup and get a solid estimate of your car's top speed. PILL INSERT / SUSPENSION GEOMETRY CALCULATOR Find your toe, anti-squat, kick-up, roll center, and track width. Supports all popular cars that use pill inserts, and works with custom suspension mounts. CORNER WEIGHT CALCULATOR Enter your car's corner weights and get the full breakdown: front-rear, left-right, and cross weight/wedge. SHOCK OIL TEMP & VISCOSITY CALCULATOR Racing on a hotter or colder day than usual? See exactly what shock oil to run to keep the same car feel. OIL BLENDING CALCULATOR Don't have the right shock oil with you? Blend the thick and thin oils you already own — this calculator gives you the exact proportions for your target viscosity. SHOCK DAMPING CALCULATOR Compare two piston and oil combinations before you build the shock: roll damping, bump pack and jump pack side by side. Supports tapered pistons and dual hole sizes, with presets for common 1/10 and 1/8 shocks plus custom sizes. FUEL USAGE CALCULATOR For nitro racers: fuel burn per minute in race conditions, how much you need to finish long mains, and how many pit stops to plan. FEATURES - Remembers your entries for each car - Built-in data (spur gear, transmission ratio) for hundreds of popular cars - Walkthroughs and detailed help for every calculator FROM SO DIALED Want tuning help beyond the math? Our RC Setup App gives you pro setup sheets for 600+ cars, race logging, and an AI mechanic — find "RC Setup App" on the App Store.

Stop guessing. Start tuning with confidence. Powerband Precision is the ultimate engine tuning and diagnostics app for nitro R/C enthusiasts. Whether you're breaking in a brand-new engine, dialing in the perfect carburetor tune, or troubleshooting a difficult engine problem, this app puts years of tuning experience right in your pocket. One of its most unique features is a library of real engine sound recordings, allowing you to hear exactly what a properly tuned, rich, or lean engine sounds like on each carburetor circuit. Compare your engine to real examples and tune with confidence—not guesswork. Features Real Engine Sound Library Listen to actual engine recordings of rich, lean, and properly tuned conditions for the idle, low-speed, and high-speed circuits. Record and save your own engine sounds to build a personalized tuning library. Engine Diagnostics Quickly diagnose common problems including overheating, flameouts, high idle, bogging, four-stroking, poor acceleration, inconsistent tuning, and more. Each symptom includes likely causes and recommended solutions. Break-In & Carburetor Tuning Guides Follow proven, step-by-step procedures for engine break-in and carburetor tuning. Learn safe tuning practices by adjusting from rich toward lean while maximizing reliability and performance. Factory Engine Reference Search factory baseline High-Speed Needle (HSN), Low-Speed Needle (LSN), mixture valve, and glow plug recommendations for 65+ popular nitro R/C engines, with additional engines added every month. Tuning Logs Save engine profiles, weather conditions, fuel, glow plugs, temperatures, and needle settings so you can quickly return to a successful tune at future race days. Nitro Glossary Learn common nitro engine terminology, abbreviations, and tuning concepts in one convenient reference. Monthly Updates Powerband Precision continues to grow with monthly updates, including: • New engine reference data • Expanded diagnostics • Additional troubleshooting information • New educational content • Ongoing improvements and features Whether you race on-road, off-road, or simply enjoy getting the most from your nitro engine, Powerband Precision is designed to help you tune faster, diagnose problems more accurately, improve reliability, and spend more time driving instead of troubleshooting. Hear your engine. Understand your tune. Race with confidence. From the developer: I'm Lucas, the developer behind Powerband Precision. I got my first 1/8 scale GP car at 13 years old- the excitement had me partying like it was 1999 (but this actually WAS year 1999). From there it took me years and years of trial and error to finally feel I could tune my engine-no internet or RC forums to ask questions, no YouTube to watch for tips and pointers. I built this app because I know what a pain tuning can be and how it could push someone to feel like they want to quit the hobby. Knowing why an engine is making the sound that it's making can make tuning a walk in the park. Through my website, I receive engines from around the U.S. for break-in, rebuild, troubleshooting, etc. Any engine that receives a tune, I log it into the app which anyone can see that has the app installed on their device. Although a tune is more so engine/local conditions specific, the final outcome is always relatively close, making logs a great reference tool. Every engine baseline comes from the manufacturer's instruction manual or deep research and matching to other engines. Sounds have been recorded from my personal vehicles/engines while on a dyno , and all the diagnostic/troubleshooting issues I have experienced myself or have watched them happen. Thank you!