LOTUS Elise S1 Motorsport JRSC Honda


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Additional Info


S412 APF (1998)

All conversion work and ongoing development over last 10 years, carried out by
Neil and Alister Gregory (2747 Race Engineering)

Engine & Gearbox

Honda Civic Type R i-VTEC K20A EP3 (2005)
UK Spec Engine (Not JDM)
Jackson Racing Supercharger.
Hondata K-Pro 3 ECU (fully programmable).
Mapping by Guy Chamberlain (CPL Racing)
309.5 BHP at 8,500 RPM.
200 Ft lbs of torque at 7000 RPM.
Dyno sheet validation.
Engine currently running Liqui-Molly 10/60 race oil.
Lightweight Clutchmasters alloy flywheel.
Clutchmasters FX 400 ceramic 6 paddle competition clutch.
6 speed gearbox with Quaife ATB LSD.
Honda transmission fluid – ultra MTF 3.
Pro Gold stainless steel braided fuel and oil hoses / fittings.
Baffled Sump.
Silicone water hoses.
Triple Pass competition alloy radiator and electric fan – Elise Shop.
Bespoke stainless exhaust system from A.A.S. 4 into 1, 33˝ primaries.
3 Silencers
No1 – Very Quiet,
No – 2 Silencer with integral CAT for MOT,
No – 3 Full Power (Mapped) – 103db
(2 additional carbon cans to modify No3 giving 94db.)
K & N cold air induction kit.
Ducted cold air to 19 row 230mm oil cooler.
Custom made aluminium bulk head covered with gold reflective foil.

Fuel System

39 litre fuel tank with integral low pressure pump to swirl pot.
Low pressure filter.
Sytec high pressure fuel pump.
Sytec high pressure filter.
Alpha high pressure regulator to injection fuel rail (50psi).
Excess fuel return from regulator back to swirl pot.
Pro gold fittings and stainless braided lines throughout.

Chassis and Suspension

All wishbones shot blasted, phosphor and powder coated
Nylatron bushes – Elise parts.
New ball joints – Elise parts.
Hurricane Quickrack steering rack – Elise shop.
Billet bump steer corrected (for low ride height) spherical ball steering arms – Elise parts.
Heavy duty rear tow link kit – Elise parts.
Heavy duty front adjustable roll bar – Elise parts.
Rear chassis brace – Essex Autosport.
Engine mount kit (Race Spec) Essex Autosport.
Competion billet alloy rear uprights – Elise Parts.
GKN Motorsport drive shafts – Essex Autosport.
Front and rear heavy duty wheel bearings.
Rear springs 7˝ x 850 lbs/inch.
Front springs 7˝ x 700 lbs/inch.
Protech front and rear shock absorbers 13 increments (hard to soft).
Geometry set up checked regularly including corner weighting.

Wheels and Tyres

1 set of standard S1 Exige wheels (good Yokohama 005 Slicks) Satin Black.
1 set Compomotive MO (good Yokohama 006 Wets) Satin Black.
1 set Braid Winrace (good Toyo R888R) (road legal) Gloss Black.
All wheels undamaged.


AP Pro 5000 4 pot front callipers, AP 304mm discs and alloy bells.
Performance friction 08 pads.
AP 2 pot rear callipers, Elise shop competition rear discs Mintex F6R pads.
Cold air ducting to front brakes.
AP Lotus Motorsport tandem brake master cylinder.
Goodridge stainless steel braided hoses.

Body Work

New windscreen
Lightweight S1 Exige Motorsport Body Kit, painted in Honda Motorcycle “Winning Red”
Venture shield paintwork protection to front.
Fully adjustable chassis mounted Noble M12 carbon fibre rear wing with uprated support brackets.
Custom front splitter.
Twin H.I.D headlight conversion using HELLA 90mm modular units.
Custom large side air intakes moulded into bodywork.
Carbon race mirrors.
Custom rear diffuser.
Reversing camera.
Twin synchronised LED high intensity rain lights with strobe option.


Tillett carbon fibre B6 driver/B5 passenger seats with dynamica comfort panels.
Driver seat adjustable.
Driver and passenger TRS Ultralite 3˝ 6-point Pro Race harnesses.
Fully plumbed in electrically operated fire extinguisher.
OMP suede steering wheel, quick release boss.
Exterior and interior electrical master switches.
Safety Devices 6-point roll cage. FIA approved.
Improved throttle link plate and cable – Elise Parts.
Custom designed dash mounted switch panel housing aircraft ignition switch and
start button and heavy duty toggle switches for all systems.
SPA dash display system.

Fully re-engineered gear change system utilising a Coolerworx gear lever mounted to a custom designed tower and bell crank arrangement which operate two heavy duty Ringspan cables which terminate on custom made brackets at the gearbox.

This positive system is fully adjustable and completely eliminates the vague and sloppy feel of the standard unit.

This car has been developed over the last ten years, starting out as a very clean 1998 Bell & Colvill Super 160 Elise.
When purchased the car had covered approximately 59,000 miles. Initial use and track day shake downs of the car following various wheel and tyre upgrades saw a further 2000 miles.

On completion of the conversion in September 2012, due to the new instruments, the odometer reading was zero and is now showing approximately 3,500.

At the beginning of this project, it was the intention to build a very reliable, very capable road legal track day car. The brief was certainly achieved. The car has never failed; used on countless track days, many class wins in Javelin Sprint Series events and raced in club events with Northern Sports and Saloons.

Listing ID: 9575eb7ec373827a