Blat Maps

Driving routes for Sevens including SatNav files and places to stop. This section has been replaced by MyRouteApp which can be found here

Getting started guides

Interested in a Lotus 7? Here's what you need to know.


Here's how to do (almost anything) on your Lotus 7.

Technical Guides

Technical subjects, parts lists and sources.

Members documents

Useful documents for club members

Popular guides

Will I fit? Car covers Theft concerns
List of bolt sizes and torques for various Caterham chassis

A master switch kit has been produced by Caterham Cars to enable the fitment of an Autolec battery master switch, primarily for competition purposes, but also for security. This contains the following components:


1 x Autolec Battery Master Switch with fixing bolts

Oil Capacities

Standard Wet Sump:5 litres

Standard Wet Sump with Oil / Air separator:7.5 litres

Dry Sump (tank in Bellhousing) :4.5 litres

Many years ago, when it became apparent that the supply of new Ital axles would dry up, Caterham Cars were looking for alternatives. The development of the de Dion rear end was undertaken by Clive Roberts and Reg Price.

A description of what bump steer is and how to reduce it


I get a build up of condensation on the inside of the faces of the fuel and temperature guages when I run my car. How can I prevent this?


There are several possibilities depending on the age of your car, the engine it was fitted with and whether it was kit or factory built. This article explains what you need to know.

This is the assembly guide from around 2001 and covers a lot of K-series cars.

Assembly Guide

This Parts List details the items necessary to fit a mechanical oil pressure gauge and a low oil pressure warning light with an adjustable trigger pressure.

Below are a list of insurance companies that can provide insurance for sevens.
Here are a number of wiring diagrams for K-series cars that you may find useful.