dcr-calculator. Calculate the Dynamic Compression Ratio (DCR) of a engine.

dcr.questionable.services

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Updates

June 2026
  • update deps, improve calcs
February 2026
  • update dependencies (2026-02-15) (#10)
  • Add workflow concurrency config (#9)
  • update bonk model to claude-opus-4-6 (#8)
January 2026
  • Update deps (minor only), build passes (#7)
December 2025
  • Add DCR inputs and assumptions to README (#4)
  • update deps, improve performance and error handling (#2)
  • Create bonk.yml
  • fix input hz alignment
  • new style + better form rows
  • update presets
  • favicon
  • add cam advance, reformat
  • change compat date: 2025-12-05
  • deps: update
April 2025
  • Update README.md
  • docs: link + button
March 2025
  • add custom domain
  • update deps
  • class -> className