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1998 Westfield SEW Aerorace - road going competitive sprint, hillclimb and trackday car

 

A road legal Lightweight Aerorace SEW chassis and an engine built with wide torque band and punchy top end. This car excels on the racetrack but is also a pleasure to hustle down the backroads.

 

Having owning the car since 2018, this already championship winning vehicle has since helped me secure 1st in class victories in 2018,2020 and 2021 and as well as overall champion places of 2nd in 2018,2020 and 2021.

 

Following a chassis up refresh in 2015 the car has been maintained and worked on by Northampton Motorsport. Over 15k has been spent on development in the few years to increase performance, reliability and make it suitable for large GP tracks such as Silverstone, Spa and the Nürburgring.

 

Video

 

Car vs BTCC Pole Lap: Andrew Jordan Croft 2019

https://www.youtube.com/watch?v=IyxCT90TtUs&t=1s

Nürburgring clip

https://www.youtube.com/watch?v=G4QzoXJLruY&t=160s

 

Recent work

 

All components are new unless stated and installed by Northampton Motorsport

 

  • Life F88 ECU
    • 11 Different Maps (98 & 95 Octane fuel map to Full Safety get home map)
    • New Sensors to work with Life ECU
    • New Engine Wiring Loom
    • Full Range of Engine Protection Strategies built in
  • New Clutch
  • Fully rebuilt Rear Axle with
    • New Atlas half shafts 4340-grade steel
    • Oil Seals and Bearings
    • Oil drain and fill pot added
  • Gearbox refreshed
    • Added remote oil fill pot
  • Gripper LSD 2021 (Setup for the weight of the car)
  • Quantum one zero coilovers (Built for the car)
  • Brake Master cylinders
  • Pipercross air filter (Just Fitted zero miles)
  • Fuel tank enlarged to 30l
  • Rear Trailer Arms Polybushs
  • Lightweight race battery
  • Brake Bias Adjuster Knob added to for on-the-fly brake adjustments

 

Pictures

 

Picture show both the current wide and orignal narrow body work. Both are provided 

 

Recent racing achievements:

 

  • 2021
  • Javelin Racecarwings Championship
    • 1st in Class
    • 2nd Overall

 

  • 2020
  • Javelin Racecarwings Championship
    • Only 2 Events
    • 1st in class
    • 2nd overall

 

  • 2019
  • Not Driven

 

  • 2018
  • Javelin Sprint Series
    • 2nd Overall Championship
    • 1st in Class

 

  • 2017
  • Class D record holder at Rockingham in 2017, fastest Westfield on the day, top 20 fastest overall
  • Class D winner, 2nd fastest Westfield overall and 11th Overall at MIRA
  • Javelin Sprint Championship
    • Only attended two events but won the class at both and finished 2nd fastest overall with 99 points (of max 100) at each (only beaten by a kit car with over 400bhp!)

 

  • 2016 WSCC Speed Series Novice Championship winning car:
  • 2nd in Class at Wiscombe
  • Fastest Novice, Class Winner, Fastest Westfield overall at MIRA in May
  • Fastest Novice at Anglesey in June
  • Fastest Novice on Sunday and Class Winner both days at Blyton (68.74, also fastest in class D vs experts)
  • Fastest Novice at Hethel, 3rd in Class
  • Fastest Novice at Loton Park, 3rd overall (day 1)
  • Fastest Novice at Loton Park, 1st overall and fastest Westfield (day 2, wet)
  • Fastest Novice, Fastest Westfield and 2nd FTD overall at Anglesey in October (wet)

 

Current Specifications of the car.

 

MSA logbooked

Road Legal but been trailered to tracks last few years so not MOT’d

 

Engine

 

  • Ash Mason built Vauxhall 20xe Engine
  • Power circa 250bhp and 180lbs of torque
  • Built to Rev to 9000rpm
  • 88mm omega pistons 11.8 to 1 cr
  • Farndon steel crank
  • Arrow conrods
  • Rimflow valves and machined ports.
  • QED 450v cams
  • Adjustable pulleys
  • Solid arrow lifters
  • Steel flywheel for 7 1/4 “ clutch included external trigger wheel
  • SBD Dry Sumped system
  • External Trigger Wheel
  • Oil Gallery modification
  • Lightweight alternator with multi groove pulley, resized to accommodate higher engine revs
  • Adapted rocker cover, sealed off and lightened
  • Jenvey taper throttle bodies with 90mm ram air trumpets
  • Pipercross air filter

 

Cooling

 

  • Mocal 19 row oil cooler and remote filter set up
  • Revotec electronically controlled high power 'pull' fan and polo radiator with ducting (maintains temperature perfectly in all situations)

 

Exhaust

 

  • Simpson Race Exhausts custom manifold and exit exhaust with 7" repackable silencer

 

 

Chassis

 

  • Lightweight Aerorace chassis, total vehicle weight circa 530kgs with fuel
  • Extra Wide Body fitted to allow for extra large slicks
  • Full MSA approved rollcage with correct homologation sticker in place
  • Full lightweight bodywork in red, with one-off Carbon NV flared side panels in red/black carbon weave
  • AA Composites aeroscreen – easy to change back to full windscreen set up

 

Interior

 

  • Carbon NV dash
  • Lightweight GRP bucket seats on sliding rails, 4 point harness for driver, 4 point for passenger
  • ETB digidash with gear shift lights
  • Push start button
  • MSA battery cut off
  • Momo steering wheel
  • Dominator headlights
  • Custom carbon indicator mounts with lightweight LED indicators
  • Big Red Engine Issue light fitted – Any issue this lights up – ECU has full safety strategy built aswell
  • Brake Bias Adjuster Knob added for on the fly brake adjustments
  • Throttle pedal modified for perfect heel and toe positioning
  • Floor mounted pedal set

 

Brakes

 

  • Twin Brake Cylinders with pedal bias bar (New 2022)
  • Front Raceleda alloy calipers
  • Rear Hispec Ultralite 2 SVA calipers (anodised black) (with spot handbrake)

 

Handling 

 

  • Nylon bushes in front wishbones
  • Westfield Polybush in rear trailing arms (new 2021)
  • New Quantum Zero One Dampers (New 2021) 330 mm Front and Rear with 300lb Front and 200lb Rear
  • Playskool soft front anti-roll bar on CleaR Motorsport easy adjust fittings
  • Quick steering rack (2.4)
  • Alloy hubs (saves 4kgs over standard)
  • Rear axle removed 2015, refurbished and straightened by Mallock a touch of toe in added
  • Gripper LSD setup for the car
  • SKF axle bearings, welded

 

Gearbox

 

  • Tran X 5 speed type 9, close ratio straight cut gear set
  • 1st 2.48, 2nd 1.69, 3rd 1.27, 4th 1.1, 5th 0.9
  • Genuine Ford 4.1 crown wheel and pinion
  • Quaife quick shift
  • Helix 4 paddle race clutch with sprung clutch plate (easy to use and balance on road but holds the power perfectly)
  • Lightweight flywheel
  • Alloy bellhousing

 

ECU / Electronics

 

  • Life F88 ECU
    • 11 Different Maps (98 & 95 Octane fuel map to Full Safety get home map)
    • New Sensors to work with Life ECU
    • New Engine Wiring Loom
  • Lightweight race battery

 

Wheels

 

13" Weller Roadsport steel wheels with Falken ZE912 (used as road and wet trackday tyres)

 

If asking price is meeting another set of wheels can be provided and a load spares including.

 

Extras

 

  • Westfield Narrow Rear Body
  • Spare nosecone
  • One new spare bonnet
  • Spare quick rack
  • Carbon effect rear arch protectors
  • Spare springs, protech dampers, wishbones, MBE ecu’s etc

 

Please feel free to contact me on the site or on 07838 745319

 

Asking price is £15,995

 

Thanks

 

Simon

 

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  • Like 2
  • ArcenPower changed the title to Westfield Aerorace - road going, competitive sprint car - Reduced to 15,995
Posted

Reduced to £15,995

  • ArcenPower changed the title to Westfield Aerorace - road going, competitive sprint car - Reduced to 13,995
  • 1 month later...
Posted

Bump

  • 2 weeks later...
Posted

That to me seems ridiculously good value!

Good luck with the sale!

  • ArcenPower changed the title to Westfield Aerorace - road going, competitive sprint car - Reduced to 15,995
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