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Model year · Third Generation

1984 Bronco

High Output joins the Bronco

The 1984 Bronco added a four-barrel 351 Windsor H.O. rated at 210 horsepower while retaining the familiar six and smaller V8 choices.

This page covers U.S.-market 1984 Broncos. The 351 H.O. is the clear mechanical headline, but its exact mid-year timing and detailed carburetor/cam specification remain secondary-source findings. Published annual totals conflict at 47,423 and 40,376, so both are shown with their source status.

Why it matters

1984 introduced the higher-output 351 Windsor that became the generation’s sole 351 choice by 1986.

What this page covers

Market: United States; third-generation Bronco.

Body styles: Two-door full-size wagon with removable rear hardtop

What changed for this year

351 Windsor H.O.
A four-barrel, higher-output 351W joined the range during 1984 with a published 210-hp SAE-net rating. [1] [2]
Continuing TTB platform
The Bronco retained Dana 44 Twin Traction Beam front suspension and the ongoing 9-inch-to-8.8-inch rear-axle transition. [1] [3]

Models and trims

Base, XL and XLT context
Contemporary trim naming varies among surviving summaries. Authenticate trim from certification labels, original equipment and paperwork. [1] [4]

Engines and transmissions

4.9-liter inline six
The carbureted 300 six remained standard. [1] [2]
5.0-liter V8
The carbureted 302 remained optional in its final pre-EFI year. [1] [2]
351 Windsor choices
The regular two-barrel 351W continued and the four-barrel H.O. joined at 210 hp; exact build timing needs factory documentation. [1] [2]

Capability and specifications

Production disputed
Published sources report 47,423 and 40,376. One table repeats 40,376 for 1983 and 1984, suggesting but not proving a transcription artifact; neither figure is silently discarded. [1] [5]
Axle-ratio lead
One specialist account lists optional 4.10/4.11 gearing for 1984, but that exact availability lacks independent confirmation and should be checked against axle tags/build data. [3]

Colors and interiors

Factory finish
A secondary source reports 14 colors. Verify actual paint and interior from the certification label and period literature rather than a restored appearance. [6]

Options and packages

H.O. authentication
Confirm carburetor, intake, emissions label, engine identity and build paperwork before describing a survivor as factory 351 H.O. [2]

Safety and recalls

Powertrain and chassis inspection
Inspect fuel delivery, cooling, TTB pivots, steering, alignment, rear axle, brakes, roof seals, tires, wiring and corrosion. [1] [2]

Owner and buyer notes

Separate swaps from factory equipment
351 swaps are common. Casting numbers, emissions labels and original records matter more than model year or seller description. [2]

Stories from this year

The carbureted performance peak
The 210-hp 351 H.O. gave the bullnose Bronco a clear performance flagship just before Ford began its shift to electronic fuel injection. [1] [2]

Sources and footnotes

Bracketed references beside a fact lead to the document that supports it.

  1. Ford third-generation Bronco history Manufacturer history and chronology
  2. Automobile Catalog Bronco engine specifications Secondary specifications database
  3. Broncozone 1978-1996 history Specialist owner reference; granular claims provisional
  4. Third-generation trim research Specialist historical reference
  5. Blue Oval Trucks production numbers Specialist historical compilation
  6. Auto Paint Depot 1984 Bronco paint-code catalog Commercial color reference; count only

See something missing or wrong? Send a correction or source.

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