Modifying Your Elan

Modification requirements before engine tuning, track days or competition In order of priority – by Tony Thompson.

Lotus Elan 26R Parts, Historic Racing, Lotus Elan Racing Parts pr R

Narrow diameter rear spring conversion for using wider tyres & facility to adjust ride height

The only cooling system which keeps 70°c at 30°c ambient!

To use these harnesses with Federal specification seats you will need to have your own custom bracket fitted by a local specialist. This is due to the height and integral headrest.

These parts are essential before you do any of the following:

Tuning the engine, track days of any kind, fitting modern sticky tyres or competition of any kind because the standard parts will break with resultant further damage or accident.

NEW F.I.A. Governing Body Technical Passport – Information to Help Completion of New F.I.A. Historic Technical Passport

** Please Note **
This is an informal guide and is only to assist unofficially. We have No jurisdiction or official control or association with any governing body. The responsibility for compliance rests with the owner of the car.

Parts Weight Savings Chart

Part / TypeWeightSaving
Bell Housing 
Iron8.4 kg 
Alloy3.775 kg4.625 kg
Magnesium2.56 kg5.84 kg
Part / TypeWeightSaving
Centre Case  
Iron7 kg 
Alloy2.35 kg3.8 kg
Magnesium3.2 kg4.65 kg
Part / TypeWeightSaving
Tail Housing  
Iron5.8 kg 
Alloy2.25 kg3.55 kg
Part / TypeWeightSaving
Lotus Cortina Remote Housing
Part / TypeWeightSaving
Diff Nose Housing 
Part / TypeWeightSaving
Diff Rear Housing 
Part / TypeWeightSaving
Rear Upright 

Note Weight Savings Are Average, Castings Vary Very Slightly

On A Back To Back Test at Brands Hatch Grand Prix Circuit, an Elan weighing 580kg was 4 Seconds per lap quicker than a similar engined Elan weighing 660kg.


Where prices are shown in any currency other than GBP sterling, please note that such prices are only indicative and are intended as a guide. You will always be quoted and charged in GBP sterling.