Elfin MR5

The Elfin MR5 is an Australian Formula 5000 racing car produced from 1971-1972 by Elfin Sports Cars.

Elfin MR5
Overview
Manufacturer	Elfin Cars
Production	1971-1972; 4 built[1]
Designer	Garrie Cooper
Body and chassis
Class	Formula 5000[1]
Powertrain
Engine	mid-engine, longitudinally mounted, 4,994 cc (304.8 cu in), Repco Holden, 90° V8, NA[2] mid-engine, longitudinally mounted, 4,942 cc (301.6 cu in), Ford, 90° V8, NA[3]
Chronology
Predecessor	Elfin Type 100 Mono[1]
Successor	Elfin MR6[1]

Designed by Elfin owner/driver Garrie Cooper, the MR5 was the first car built by Elfin for Formula 5000 racing which had formed the basis of Australia's top open-wheel category, Australian Formula 1, from 1971. A total of four MR5's were built and the cars were powered by Repco-Holden 5.0L V8 or Ford V8 engines.

John McCormack drove an MR5 to victory in the 1973 Australian Drivers' Championship,^[1] the 1973 New Zealand Grand Prix, the 1974 New Zealand Grand Prix and the 1974 Lady Wigram Trophy.^[4]

Elfin MR5 at the 1972 Australian Drivers' Championship.