Legacy Metrics

1956 Elva Mk1/B Sports Racer

100/B/25racingUnited Kingdom
Engine
1.1L inline-four Coventry Climax FWA, with twin Weber 40DCOE carburettors on Derrington inlet manifold

A 1956 Elva Mk1/B sports racer, chassis 100/B/25, believed to be among the final examples of an estimated 14 produced, retaining its original 1,098cc Coventry Climax FWA engine. Delivered new to Bill Tannhauser in Milwaukee, the car saw extensive circuit use at venues across the American Midwest before returning to Europe in 2003 under the ownership of renowned Italian automotive historian and ASI figure Maurizio Tabucchi, who carried out a thorough restoration to original specification. It holds an ASI Gold Certificate acknowledging its outstanding originality.

Ownership

  1. 2018-10-05Auction sale
    Sold €125,000 (≈ $138K)

    Bonhams catalogue lot →

  2. 1956 →Factory delivery
    Bill Tannhauser
    partial documentation

    First owner; took delivery in Milwaukee, USA shortly after the car was completed. The vehicle was raced extensively at various American circuits during this period.

  3. → 2003
    Various American enthusiasts
    partial documentation

    A succession of owners who campaigned the car at tracks including Elkhart Lake, Blackhawk, and Road America; detailed ownership records are reportedly available.

  4. 2003 →Private sale
    Maurizio Tabucchi
    full documentation

    Noted automotive historian and former ASI Vice President who had the car shipped to Europe and carried out a thorough mechanical and body restoration aimed at preserving original specification. Ownership ended upon his death.

  5. Date unknownPrivate sale
    Current vendor
    partial documentation

    Acquired the car following Tabucchi's passing; now consigning it to auction.

Competition

  1. SCCA
    Elkhart Lake circuit races

    Car raced at this American venue by one or more of the intermediate US owners prior to 2003.

  2. Blackhawk circuit races

    Competed at Blackhawk during its years in American ownership.

  3. Road America races

    Among the US venues at which the car was campaigned by successive American owners.

Maintenance & restoration

  1. 2003
    Restoration

    Full restoration of both mechanical components and bodywork carried out by Maurizio Tabucchi, with close attention paid to preserving the car's original specification throughout.

    Work was undertaken after Tabucchi acquired the car and shipped it to Europe; the result was subsequently certified by ASI with a Gold Certificate for originality.

Are you the owner of this car?

This car's public record is built from its auction and competition history. Register your ownership and privately add your own records to make it a verified Legacy Metrics passport — provenance that backs your car's value at sale and gives your insurer evidence to price against. Roy reviews and verifies every registration personally.

Each chassis record is compiled from public auction archives and links to its source material. Ownership, competition and maintenance entries are extracted from those catalogue listings by an LLM, which can make mistakes — please contact us with any corrections. The summary is Legacy Metrics’ own writing; we do not reproduce catalogue text.

“Full” and “partial” documentation labels indicate how well each entry is corroborated in the underlying sources, not an audit of the car’s physical paperwork. Names of recent or living owners are withheld for privacy.