Makes › March United Kingdom › 693 · Coachbuilt · 1969

March
693

One-off Formula 3 car

Still being researched: identification guide. Everything shown is checked against the cited sources. Know more? Send us a source.

March 693 (Wikimedia Commons search)
March 693 (Wikimedia Commons search)
Photo: Neil · CC BY 2.0
?ProductionNot yet verified
0Chassis documentedin this archive
?SurvivingNot yet verified
Contents
  1. 01Overview
  2. 02Production & history
  3. 03Specifications
  4. 04Colours & options
  5. 05Individual cars
  6. 06Reference

01Overview

At a glance

Built
Not yet verified
Years
1969
Engine
straight-4, mid-mounted longitudinally · 997 cc / 1.0 LFactory: 997 cc
Power
89.5 kW / 122 PSFactory: 120 hp · converted
Top speed
Not yet verified
Body
Not yet verified
Designer
Robin Herd
In this archive
Not yet verified
Surviving
Not yet verified

Sources and any conflicting figures are in the sections below.

Why it matters

The 693 was the first car built by March, the team founded in 1969 by Max Mosley, Alan Rees, Graham Coaker and Robin Herd. It was a square-tube spaceframe Formula 3 single-seater with a one-litre Ford engine, and only one was built.

How rare is it?

Six separate kinds of rarity – never combined into one number.

Model rarityNot yet assessed Production figure not yet verified.
Specification rarityNot yet assessed
Colour rarityNot yet assessed
Individual rarityNot yet assessed
Historical rarityNot yet assessed
Survival rarityNot yet assessed

Each kind of rarity is rated separately and never combined.

02Production & history

Production

Every figure says what it counts.

No production figures recorded yet.

History

The car was raced for less than a month in 1969. Ronnie Peterson finished third in the F3 race at Cadwell Park, crashed at Montlhéry the following week, and James Hunt finished tenth at Brands Hatch in the car's final works outing.

The 693 was replaced by the new 70* range, which ran from Formula 1 to Can-Am cars. F3History records total F3 production of one car.

Variants

How each version differs from the standard 693.

No variants documented yet. Have a source? Contribute it.

03Specifications

Technical specifications

Engine

Engine familyFord 105E1 Independently researched
Engine codeNot yet verified
Layoutstraight-4, mid-mounted longitudinally1 Independently researched
Cylinders41 Independently researched
Displacement 997 cc / 1.0 LFactory: 997 cc1 Independently researched
Bore 80.1 mmFactory: 80.1 mm1 Independently researched
Stroke 48.4 mmFactory: 48.4 mm1 Independently researched
Compression ratioNot yet verified
Valvetrain2 valves per cylinder, OHV1 Independently researched
Fuel systemWeber carburettor1 Independently researched
Inductionnaturally aspirated1 Independently researched
Power 89.5 kW / 122 PSFactory: 120 hp · converted1 Independently researchedSource states bhp.
Power at 9,500 rpm1 Independently researched
TorqueNot yet verified

Transmission & drivetrain

ManufacturerHewland1 Independently researched
Gearbox4-speed manual1 Independently researched
Gears41 Independently researched
Driven wheelsrear1 Independently researched

Chassis, body & dimensions

ChassisSquare-tube chassis2 Independently researched
Front suspensionNot yet verified
Rear suspensionNot yet verified
Brakesdisc brakes, front and rear1 Independently researched
SteeringNot yet verified
Body constructionNot yet verified
WheelbaseNot yet verified
LengthNot yet verified
WidthNot yet verified
HeightNot yet verified
Front trackNot yet verified
Rear trackNot yet verified
Kerb weightNot yet verified
Dry weight 400 kgFactory: 400 kg1 Independently researchedSource gives only 'Weight' (400 kilo); the dry or kerb basis is not stated.

Performance

Maximum speedNot yet verified
0–100 km/hNot yet verified
Fuel tankNot yet verified

“Not yet verified” means no source has been checked for that value yet. Nothing is estimated to fill a gap.

04Colours & options

Factory colours & interiors

Original paint and trim, with the number of cars in each where a source gives it.

Not yet documented. Have a source? Contribute it.

Factory options & codes

Codes are shown exactly as written by the manufacturer.

Not yet documented. Have a source? Contribute it.

05Individual cars

Chassis register

Every documented car, with its colours, history and where it is now. Open a row for the full record. Known chassis are not automatically authenticated originals.

Not yet documented. Have a source? Contribute it.

Competition history

Every race result of the individual cars, in date order. Click a chassis number to open its full record in the register.

Not yet documented. Have a source? Contribute it.

Auction & sale history

Documented public sales of the individual cars. Click a chassis number to open its full record in the register.

Not yet documented. Have a source? Contribute it.

See one in person

Museums where an example of this car can be seen.

No example is documented on public display yet. Have a source? Contribute it.

06Reference

Identification guide

How to tell an original from a replica or later conversion.

Not yet documented. Have a source? Contribute it.

Sources

Each number links to the exact facts it supports.

  1. 1
    1969 March 693 Ford Specifications Level C Wouter Melissen · Ultimatecarpage.com · 2019-10-09
    • Ford 105E Straight 4 (Specifications)
    • Mid, longitudinally mounted (Specifications)
    • 997 cc / 60.8 cu in (Specifications)
    • 80.1 mm (3.2 in) / 48.4 mm (1.9 in) (Specifications)
    • 2 valves / cylinder, OHV (Specifications)
    • Weber Carburettor (Specifications)
    • Naturally Aspirated (Specifications)
    • 120 bhp / 90 kW (Specifications)
    • @ 9,500 rpm (Specifications)
    • Hewland 4 speed Manual (Specifications)
    • Rear wheel drive (Specifications)
    • Brakes (fr/r) (Specifications)
    • 400 kilo / 882 lbs (Specifications)
    Accessed 2026-11-13
  2. 2
    March 693 Ford Level C Ultimatecarpage.com (Wayback capture)
    • a straightforward square-tube chassis
    Accessed 2026-11-13