History Event 1960s

1964 Rali Internacional do ACP

Overview Route Results Cars Challenges

Overview

The 1964 Rali Internacional do ACP, organized by the Automóvel Club de Portugal, was a pivotal round of the European Rally Championship. Taking place across the Lisbon and Porto regions, it tested crews with tarmac sprints and gravel ascents over a condensed two-day schedule. The rally's mix of coastal and inland terrain, combined with unpredictable spring conditions, made for a rigorous contest.

Event Name: 1964 Rali Internacional do ACP

Date: April 4–5, 1964

Start/Finish Location: Lisbon, Portugal

Total Distance: Approximately 800 kilometers

Participating Teams: Over 85 crews

Route

Lisbon Region: Fast asphalt legs near Sintra and Cascais.
Douro Valley: Narrow and rough gravel roads with minimal runoff.
Special Tests: Timed uphill stages and precision braking zones near hilltop villages.

The rally challenged drivers with changing grip levels and elevation profiles:

Navigating rapidly changing surfaces with limited service access placed a premium on reliability and co-driver focus.

🏆 Results

Overall Winner
Andrea De Adamich & Aldo Morgantini · Alfa Romeo Giulia TI Super
2nd Place
Arnaldo Cavallari & Ferdinando Teccilla · Alfa Romeo Giulia TI Super
3rd Place
Dieter Glemser & Peter Lang · Mercedes-Benz 300 SE

The commanding performance by Alfa Romeo demonstrated the Giulia’s balance across both road types, while Mercedes showed its resilience through challenging terrain.

Car Highlights

Drivers relied on both horsepower and suspension finesse:

  • Alfa Romeo Giulia TI Super: Lightweight construction with a free-revving twin-cam engine and balanced handling.
  • Mercedes-Benz 300 SE: Smooth, high-displacement inline-six paired with exceptional long-distance comfort.
  • Porsche 356 SC: Agile on paved segments but occasionally outpaced on rougher surfaces.

Navigation & Challenges

Navigators played a critical role in this rally, which offered little recovery between stages:

  • Mixed Terrain: Abrupt changes in surface type demanded quick setup adaptation.
  • Uphill Timed Tests: Reliability and engine cooling were tested during aggressive climbs.
  • Variable Weather: Spring rains and coastal fog added unpredictability to already tight stages.
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