09/01/2026
Ansett Elfin MS7 (1974)
The 1974 Ansett Elfin MS7 was a lightweight Australian open-wheel racing car developed by Elfin Sports Cars for Formula 5000 competition. Combining a powerful V8 engine with a compact chassis and advanced aerodynamics, the MS7 became one of the most successful racing cars in Australian motorsport history.
Overview
Introduced in the early 1970s, the Elfin MS7 was designed specifically for Formula 5000 racing, a category known for pairing lightweight single-seater chassis with large-displacement V8 engines. Sponsored by Ansett Airlines, the MS7 became a prominent competitor on Australian and New Zealand race circuits.
Design
Key design features included:
open-wheel single-seater body
lightweight tubular spaceframe chassis
aerodynamic fiberglass bodywork
large rear wing
low-slung racing profile
exposed suspension components
central driving position
competition-focused cockpit
Engineering
Key technical features included:
5.0L Chevrolet V8 engine
approximately 500 horsepower
rear-wheel-drive layout
Hewland racing gearbox
lightweight racing chassis
fully independent suspension
racing-spec disc brakes
advanced Formula 5000 aerodynamics
Performance
The MS7 delivered exceptional performance for its era.
Key performance highlights included:
outstanding power-to-weight ratio
rapid acceleration
high cornering speeds
excellent braking performance
strong straight-line speed
competitive Formula 5000 race capability
Driving Character
The Elfin MS7 was built purely for competition.
Key characteristics included:
explosive V8 power delivery
razor-sharp steering response
highly responsive chassis
immense mechanical grip
demanding race-car handling
exceptional driver engagement
Legacy
The Ansett Elfin MS7 remains one of Australia's most important historic racing cars. Its success in Formula 5000 competition helped establish Elfin as Australia's premier race-car manufacturer, and today the MS7 is celebrated as a significant piece of Australian motorsport heritage.