SUTuner

By Skunk River Restorations, LLC on AppTrack Ninja.

SU Needle Finder & Tuner

SUTuner replaces the old SU needle spreadsheet with a modern needle-matching and tuning tool for SU carburetors — covering all three jet families (0.090", 0.100", and 0.125") across 683 real needles. FIND Enter the diameters you want at any of 16 stations and SUTuner ranks the closest-matching needles by total deviation or least-squares fit — exactly like the classic spreadsheet, but built for your phone. TUNE Start from a needle you already have, pick a region — Idle, Low Cruise, Mid Cruise/Low Accel, Hi Cruise, Hi Accel, or the whole needle — and search Richer or Leaner. SUTuner finds real …

Categories: Utilities, Reference

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