CACrown ArchivesHistory · sources · collections
EN/FR
Search
Menu
Research dossier · General Reference

Pro Modified

Competition class in drag racing

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionNov 14, 2025
Entity authoritySource title only
Source-derived summary

Pro Modified, also known as Pro Mod, is a class or division in the sport of drag racing used in the NHRA and FIA (quarter-mile), the new International Hot Rod Association (IHRA) and the Professional Drag Racers Association (PDRA) (eighth-mile). It is similar to the Top Doorslammer class as defined by the ANDRA.

Editorial summary

The public source identifies “Pro Modified” as competition class in drag racing. This brief keeps that definition visible, then builds a research path around Modified, Competition and class.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current 53-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Modified, Competition and class providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Pro Modified”, the useful work is to connect “competition class in drag racing” to the records capable of establishing context and consequence.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Nov 14, 2025.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Pro Modified”, its source revision and the description used here.
  2. Expand the search: follow Pro Modified primary sources, Pro Modified archive and Modified research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Pro Modified”?
  2. Which institution is responsible for the underlying evidence?
  3. What terminology or title could unlock a more precise catalogue search?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Pro Modified” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.