Legacy Metrics

1963 Porsche 356 B T-6 Twin Grille Roadster (D'Ieteren)

89621roadGermany
Engine
1.6L flat-four, rebuilt
Colour
Ruby Red

A Porsche 356 B T-6 'twin grille' roadster, one of only 248 built, completed by D'Ieteren — Porsche's Belgian distributor — and distinguished by its paired engine-lid ventilation grilles. Acquired in 1983 by celebrated 356 specialist Jim Kellogg, who undertook a comprehensive restoration including an engine rebuild and repaint in original Ruby Red, reportedly for his wife. The car subsequently accumulated numerous concours awards at regional 356 Registry and Rocky Mountain Porsche 356 Club events throughout the American West.

Ownership

  1. Auction sale
    Estimate US$275,000 – US$325,000

    RM Sotheby's catalogue lot →

  2. 1983 →Private sale
    Jim Kellogg
    partial documentation

    Kellogg, a noted 356 specialist, acquired the car and performed a comprehensive restoration including full disassembly, repainting in original Ruby Red, engine rebuild, and new interior. The project reportedly inspired him to establish his professional 356-only restoration business.

Competition

  1. 1991356 Registry Holiday
    356 Registry West Coast Holiday, Steamboat Springs

    First public appearance after the restoration; held in Steamboat Springs, Colorado.

  2. 356 Registry Holiday
    356 Registry West Coast and Southwest Holidays (various)

    Car was driven to multiple regional 356 Registry gatherings following its 1991 debut.

  3. Rocky Mountain Porsche 356 Club
    Rocky Mountain Porsche 356 Club Events (various)
    Multiple concours awards

    Car accumulated numerous concours wins over repeated appearances at regional club events.

Maintenance & restoration

  1. 1983Restoration
    356Restore (Jim Kellogg) / Carquip (bodywork and paint)

    Complete disassembly and full restoration carried out by Jim Kellogg; the car was subsequently repainted in its factory Ruby Red colour by Tom Conway at Carquip in Boulder, Colorado, and fitted with a new interior sourced from Autos International and installed by a specialist upholstery shop.

    Interior materials sourced from Autos International, California; upholstery installation by an experienced but unnamed trim shop.

  2. 1983Engine rebuild
    Ron Appleton

    The original 1600cc engine was overhauled by Ron Appleton in Boulder, Colorado, as part of the broader restoration programme.

    Original engine and gearbox were present and retained at the time of acquisition.

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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.