Our Services

Calibrated Classics specializes in expert repair, restoration, and modernization of vintage automotive instruments β€” especially electronic tachometers and electric fuel sending units. We service parts from the 1920s to 1989, offering precise calibration, performance upgrades, and OEM-style cosmetic work tailored for collectors, restorers, and classic car enthusiasts.

Tachometer Services

Restore, upgrade, or recalibrate your classic electronic tachometer β€” from period-correct movement repair to modern conversions that eliminate sending units.

Movement Repair & Upgrades

  • Original Movement Repair: Restore OEM functionality using authentic calibration tools.
  • Antique Coil Replacement: Period-correct part replacement for legacy instruments.
  • Stepper or Aircore Upgrades: Enhance accuracy, speed, and eliminate the need for a sending unit.
  • Custom Circuit Boards: 2-wire or 3-wire conversion β€” no sender required unless desired.

Calibration & Balancing

  • Digital Signal Calibration: Calibrated using tachometer signal generator matching coil/distributor output.
  • Pointer Balancing: Fine-tuned with micro weights for proper float and return spring alignment.

Exterior Restoration

  • Pointer: Painted, cleaned, or replaced for crisp readability.
  • Face Artwork: Re-screened or touched up for an OEM finish.
  • Chrome & Trim: Polished or re-plated bezel and metal parts.
  • Lens: Acrylic or glass cleaning, polishing, or replacement.
  • Casing: Stripped, repainted, and refinished to match original style.

Wiring & Install Support

  • Labeled Wiring: Units returned with labeled wires and optional install notes or support PDF.

From driver-quality repairs to show-car restorations, we tailor each tachometer service to your needs and budget.

Fuel Sending Unit Restoration

Accurate fuel level readings, restored appearance, and reliable operation β€” ideal for electric senders from the early 1900s to 1990s.

Electrical Repairs

  • Resistor Repair or Replacement: Addressing the most common failure point in older units.
  • New Internal Wiring: Rewiring worn or brittle connections for reliable function.
  • Float Replacement: Sourcing and installing era-correct floats where needed.
  • Fuel Sock/Filter Replacement: Ensures clean fuel delivery and prevents clogging.

Exterior Refurbishment

  • Surface Plating: Zinc or chrome plating to restore factory-style finish.
  • Cleaning & Paint: Light cosmetic refresh for presentability and corrosion resistance.

Wiring & Install Support

  • Labeled Terminals: Units returned with labeled terminals and install notes, if applicable.

Whether you need precise fuel readings or a period-correct finish, we customize each repair to your goals.

Our Risk-Free Guarantee

If we cannot service your item or reach an agreement on pricing, we will return it at no cost to you. You only pay if we complete the work β€” no surprises.

Important Information

  • Electronic Tachometers Only: We do not service cable-driven tachometers.
  • Electric Fuel Senders Only: No hydrostatic, chain-driven, or in-tank fuel pumps.
  • Supported Years: 1900s–1990s fuel senders, 1950s–2000s tachometers.
  • Free Return Shipping: If no agreement is reached or unit is non-serviceable.

Have Questions or Ready to Start?

We’re happy to walk you through the process. Call or text 248-250-0990 or send us a message using the contact form.

Contact Us