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Classes

In order to maintain fairness, when dealing with a diverse range of cars from the early 1980's or earlier to cars less than 10 years old, Monoposto has multiple classes to ensure that drivers are competing for championships against cars of broadly similar specifications, ages, power and performance.

Each car is asked to display idenfication stickers denoting their class - these take the form of a coloured shape, located adjacent to the race number, that is clearly visible from a distance.

The current classes are shown below:-

Monoposto Classes

Mono F3, formerly Mono 2000,mono2000 is the flagship class  for the latest 2000cc cars allowed in Monoposto.

Typically Formula 3 cars from 1997 to 2007, typically but not exclusively Dallara, with either standard production engines or restricted Formula 3 engines.   Also eligable are Dallaras with the Euroformula Open (Spanish F3) cars with the Piedrafieta prepared Toyota engine.

Also Tatuus Formula Renault FR2000's from 2000 to 2009.

Most common engines are the Vauxhall Opel C20XE 'Red Top' or Toyota 3S-GE

For the majority of the last ten years the F3/2000 class has been the 'blue riband' class in Monoposto. The class can claim one of the premier positions in the UK club single seater scene. These cars provide slicks and wings racing with the economy and reliability of a production 2000cc, 16v engine, in a state of tune that would be familiar to those driving the majority of road going Caterhams and Westfields that use similar engines.

For full information, please consult the technical regulations.

Caveat:  These details are an outline and the current club regulations must be referred to for full detailed requirements.

Class Identification - Red Circle

Mono 2000 evolved out of Mono Classic 2000 for the 2016 season, this class is for cars that fit between the Classic and Mono F3 classes.

Typically 750MC F4, US FF2000 or 1996 and earlier Formula 3 chassis.

Spaceframe or aluminium monocoque chassis from 2001 or earlier.  Formula Renault cars from 1999 or earlier and carbon tubbed Formula 3 cars from 1996 or earlier.

Standard production engines up to 2000cc capacity.  Dry sump lubrication permitted.  Flywheel free.  Carburettors or throttle body fuel injection.  Ford Zetec engines can have free cam timing (retaining standard camshaft and pulley).

Engines of manufacture and model as used in FIA international Formula 3 during 1996 or earlier, have an air restrictor of 25mm diameter through which all air is passed.    For full information, please consult the technical regulations.

Caveat:  These details are an outline and the current club regulations must be referred to for full detailed requirements.

Class Identification - Green Circle

Mono Classic 2000 is a popular class for classic cars such as Formula Vauxhall Lotus and older F3 cars, like Reynards and Ralts.

Chassis of aluminium alloy and/or steel construction where the manufacturer's designated model year is 1993 or earlier.

Chassis of carbon fibre composite or aluminium alloy construction originally complying, or derived from those originally complying, with FIA Formula 3 and identified by the manufacturer as for the model year 1992 or earlier.

Standard production engines up to 2000cc capacity.  Dry sump lubrication permitted.  Steel flywheel minimum weight 3.6kg. carburettors or original spec fuel injection.

Engines of manufacture and model as used in FIA international Formula 3 during 1992 or earlier, having a 24 or 25  millimetre maximum diameter air restrictor through which all air serving the induction is passed.  Car with electronic fuel injection have to use a 24mm restrictor, cars with mechanical fuel injection are permitted to use a 25mm restrictor.

For full information, please consult the technical regulations.

Caveat:  These details are an outline and the current club regulations must be referred to for full detailed requirements.

Class Identification - Green Circle with White 'C'

Mono 1800 features Formula Ford Duratec, Formula Ford Zetec, Classic FF2000, Formula Vauxhall Junior (16V) and Formula Ireland cars.

Engines conforming to the following regulations: FF Zetec 1800cc, Formula Vauxhall Junior 16V, FF2000 as defined in the 1993 MSA yearbook and FF Duratec.

For full information, please consult the technical regulations.

Caveat:  These details are an outline and the current club regulations must be referred to for full detailed requirements.

 

Class Identification - Pink Triangle

Mono 1600 is for cars such as Formula Ford/FF2000 chassis, Formula Vauxhall Junior (8V) and Formula Renault 1700, and for 2020 season the Scarab Mk V Formula-Vee chassis and VW 1300 engine permitted

Standard, iron block engines with a single camshaft up to 1750cc capacity, dry sump permitted. FF Kent 1600 engines, when fitted in older chassis, may use the approved Mono camshaft.

For full information, please read the technical regulations.

Caveat:  These details are an outline and the current club regulations must be referred to for full detailed requirements.

Class Identification - Blue Square

Mono Moto 1400 is for bike engined cars of engine capacity from 1001 to 1400cc, using either a tubular chassis or a carbon fibre tub. Engines of under 1000cc cars who wish to run a carbon fibre chassis must race in Mono Moto 1400.

For full information consult the technical regulations.

Caveat:  These details are an outline and the current club regulations must be referred to for full detailed requirements.

Class Identification - Purple Diamond

Mono Moto 1000 is for bike engined cars such as Jedi F1000, JKS, Speads, Aztec, OMS, homebuilds or conversions of other chassis (non-carbon tubs) with motorcycle sourced engines and gearboxes.

Note: Carbon tubbed chassis must race in Mono Moto 1400, but non-structural components may be carbon fibre (eg wings, engine cover)

For full information consult the technical regulations.

Caveat:  These details are an outline and the current club regulations must be referred to for full detailed requirements.

Class Identification - Yellow Diamond

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