Automotive RepairDiagnostics & Troubleshooting3MediumOwner$ implied
User wants to optimize ignition timing curve on a Chevy 350 HEI distributor for max fuel economy and power but is unsure how to modify or what parts to buy.
No clear guidance or purpose-built tool to determine the current advance curve and modify the mechanical/vacuum advance on an HEI distributor; user must rely on manual testing and guesswork.
47
0
Opp. Score
47
Severity
3Medium
Willingness to Pay
implied
Added
May 27, 2026
App Concept
AdvanceCurve Pro
A mobile app and hardware kit that measures your distributor's mechanical and vacuum advance curve in real-time using a Bluetooth timing light and RPM sensor. It overlays the measured curve against ideal targets, then recommends specific spring, bushing, or limiter changes. Includes a step-by-step modification guide and part lookup for aftermarket components.
Key Features
- Real-time curve graphing with Bluetooth timing light
- Database of stock and ideal advance curves for common engines
- Interactive recommendations for spring/bushing changes
- Direct part ordering links for tune-up kits
Target Users: DIY car enthusiasts and small auto repair shops working on older vehicles (pre-OBDII), especially those retrofitting or tuning carbureted engines for performance or fuel economy.
Revenue Model: $79 one-time hardware kit (Bluetooth adapter + sensor) + $4.99/mo subscription for curve database and advanced recommendations, or $14.99/mo pro tier with unlimited engine profiles.
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