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£ 26,995

1991 Ralt RT35

Description:

  • West Surrey Racing RT35 driven by Jordi Gené alongside Rubens Barichello, who would win the 1991 British F3 Championship

  • Purchased by the current owner directly from West Surrey Racing and subsequently subject to complete rebuild to an impressive standard between 2004-2012. 

  • BARC Speed Championship Class winning car now running 294bhp.

 

 

Ron Tauranac was the designer behind the Formula 1 World Championship winning Brabham Grand Prix cars of the 1960’s. Ron himself competed in hillclimbs during the 1950s where a fellow competitor and later friend was Jack Brabham.  In 1959, Ron accepted Jack’s invitation to join him in England to set up Motor Racing Developments and began the long run of very successful works and customer cars. Numerous race wins were taken in F1, F2 and F3 with both Jack Brabham and Denny Hulme winning the World Drivers Championship and Brabham taking the Constructors Cup.

After a period working for Frank Williams, which included designing the Trojan F1 and F5000 cars, In 1974, Tauranac set up the Ralt factory at Woking in Surrey and in 1975 the first Ralt, the RT1, was produced. 1979 saw ground-effect arrive in F3 and. In 1980, the RT3 was born and would soon become one of the most successful F3 designs ever, being totally dominant for a number of years and famously driven by Ayrton Senna to win the Marlboro British F3 Championship in his West Surrey Racing RT3/83. The RT30 was introduced for the flat-bottom rules coming into effect in 1985 and the RT32 would follow, with an introduced Honeycomb/carbon tub structure. The RT35 was the final development of the RT32 philosophy and was the last Formula Three car that Ron Tauranac designed for Ralt of his own volition before Ralt would become March Cars Ltd. Just 56 RT35’s were produced. 

On offer at Klasio, this particular example, chassis 900 was purchased by West Surrey Racing, who sent their mechanics to Ralt to assemble the car with a Mugen F3 engine for the 1991 season. 

West Surrey Racing ran Jordi Gené in chassis 900 alongside Rubens Barrichelo who would go on to win the championship. In a sister car, Gené achieved 7 podiums, 2 fastest laps and 4th place in the championship. Chassis 900 achieved 2nd place at the Marlborough Masters F3 Zandvoort, and at the Macau Grand Prix, Gené won the first leg with Coulthard in 2nd (also in an RT35). In the second leg, Gené was 2nd to Coulthard but lost the overall win on aggregate times. Chassis 900 was run again by WSR but at this time in Casio colours rather than the Marlborough colours which featured in Britain and Zandvoort and achieved the win (and fastest lap) at the Fuji F3 Cup, which would be its final race of the 1991 season. 

Unusually, the car was retained by West Surrey Racing as a showcar. In 1996/1997, they moved to British Touring cars and so the car was stored for a further 7 years until it was offered to the current owner by WSR themselves and subsequently purchased as a rolling chassis in 2004.

Between 2004 and 2012, Chassis 900 was subject to a complete ‘nut and NAS bolt’ rebuilt, alongside the fitting of a 2-litre XE engine, where it would go on to achieve multiple class wins in various speed events. Under development, the car achieved, 5th, 4th, 3rd and 2nd fastest time of the day, before finally winning the class championship in the BARC Speed Championship in 2018. 2019 was the last competitive year for the car before COVID and a broken hip in 2022. 

 

Full specification:

Chassis 900 Specification (at zero miles) 

Complete rebuild using NAS bolts and Unbrako socket heads. New front floor and skid plate. New Dzus fasteners. New radiator ducts. New radiators. New catch tank. New dash and instruments. New coolant pipes. New brake balance adjuster bar. New front A/R bar. Rack refurbished. Rear A/R bar refurbished. New pedal mounts. Clutch and brake master cylinders refurbished. Diffuser refurbished. In tank fuel system refurbished. Complete repaint.

New wiring loom. New heavy duty wiring. New odyssey PC 1100 battery. New battery box. New Lifeline electric extinguisher. 

New caliper pistons and seals. New wheel bearings. New pushrods. Koni 3012 shocks refurb and dyno by Koni agent. New Springs. All suspension parts Kephos coated. All mag parts re-chromated. All ally parts re-anodised. New rose joints as required. New brake and clutch pipes. All Dymags crack tested and refurbed by Dymag. New alloy wheel retainers and nuts.

Aero is original RT 35 F3 specification 

Total testing and competition mileage from rebuild:  240

 

Engine 2000cc XE specification ( at zero miles)

Coscast head, Exon porting. Exon 1m/m oversize valves 7 m/m stems. Bronze guides. Exon camshaft. Alloy vernier pulleys. Steel followers. Kent VS 34 springs. Titanium spring retainers. Cam cover unventilated. Head studs ARP 

Throttle bodies Jenvey tapered. Inlet trumpets Jenvey 90 m/m. Fuel rail SBD. Bosch injectors. Fuel pressure 3.5 Bar. Fuel pumps Bosch lift and pressure in tank. 

Swindon engine/tub mount, Main studs ARP. Flywheel steel bespoke 210 m/m. Superclutch 5.5” twin plate sintered. Sump bespoke billet alloy overall depth 55m/m. Perforated steel windage tray. Oil pump Titan twin scavenge. Oil filter Fram PH2874. Oil Anglo American XP7 10/40. Wolverine electric engine oil preheater. Crank OE GM. Rods and bolts Saenz. Pistons Omega. (Dry sump runs vacuum). Water pump modified 2LXEOE. Starter1.0 kw.Nippon reversed with Swindon dropgear. Crank sensor wheel alloy 58 tooth bottom pulley mount. Exhaust bespoke OJZ 4/2/1 stainless to SBD specification 

ECU 967 EG MBE. Coil distributorless wasted spark SBD. Crank sensor Magnetti Marelli 

Rev limiter Shift light at 7500 rpm, Soft cut at 8000 rpm, Hard cut at 8500 rpm

294bhp. at 7855 rpm

199 ft/lb at 6386 rpm

RLM Racing

Total testing and competition mileage from rebuild 240

 

Hewland F3A gearbox and transaxle 

Tony Wilson inspection, rebuild. 21 sets of ratios all vetted by TW. All tripodes renewed. New Brand driveshafts. New gearods all Apex joints. CWP change 13/36 to 9/31 by TW (13/36 spare) Set of Dymag tested and refurbished Dymags with unused wet Avons fitted.

Total testing and competition mileage from rebuild 240

 

Spares Package

Rear antiroll bar complete. Springs. Pushrods. Gear rods. Wheel retainers. Driveshafts, ECU mounts. Coil mounts. Dashboard blanks. WSR F3 quicklift jack. WSR car stands. Battery box. Mugen carbon F3 airbox. Mugen tailpipe. Car lift balance bar and straps Chassis set up brackets and bars

 




Website:

https://www.klasiko.co.uk

Facebook:

https://www.facebook.com/klasikocars

Keyword Search Terms:

F3, Ralt, RT35, Ralt RT35, Classic F3,

Details:

Item Location: Malmesbury
Seller: klasiko
Joined March 2024
  Andreas Hicks
Seller's other ads
Company: Klasiko Ltd
Country: United Kingdom
City: Malmesbury
Phone: 07929363573
07929363573
Condition Rebuilt
Trade or Private: Trade
Currency:
Price: £26,995
Added: 20/03/2024
Views: 3024

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