A DIY mechanic needs to determine if pitting on vintage brake caliper cylinders is acceptable for safe reuse, with no replacement parts available for a 1987 MR2.

No purpose-built diagnostic tool exists for assessing vintage brake caliper pitting severity and providing actionable repair-or-replace recommendations for obsolete parts.

Severity

3Medium

Willingness to Pay

implied

Added

Jun 5, 2026

Workarounds Described

uses fingernail to feel scratch depth
posts photos on Reddit asking for advice

Implied Software Gaps

App that uses camera to measure pitting depth and assess safety
Centralized database of obsolete brake part compatibility and alternatives

App Concept

CaliperCheck Pro

A mobile app that uses image recognition and depth analysis to assess pitting and scoring on brake caliper cylinders, providing a safety score and actionable repair advice. It also cross-references a community-sourced database of obsolete part compatibility, helping users find modern retrofits or rebuild kits.

Key Features

Pitting depth measurement via phone camera with standardized reference card
Safety score with green/yellow/red grading
Database of obsolete brake parts and compatible alternatives
Step-by-step rebuild guides with torque specs
Community forum for model-specific advice

Target Users: DIY mechanics and small auto repair shops working on vintage/import cars with discontinued brake parts

Revenue Model: Freemium with $4.99/month premium tier for unlimited scans and advanced database access

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