 HomeFormulae Racing with INCARACE Season 2002:
Telephone: +44 (0)1543 422046 FAX: +44 (0)1543 423231 Postal address: PO Box 1081, Cannock Staffs, WS12 5ZF Contents Copyright
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STOCK RODS SPECIFICATIONS 2002 IMPORTANT! REVISED RULES FOR 2002 ARE HIGHLIGHTED IN THE WORD VERSION. IN THE EVENT OF ANY DIFFERENCE BETWEEN THE RULES ON THIS PAGE AND THE WORD VERSION THEN THE WORD VERSION TAKES PRECEDENCE. Click on the icon below to download the Technical Specs as Word document.
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| 2002 ORCi STOCK ROD
SPECIFICATIONS This formula is NON-CONTACT and cars should be prepared with a professional racing appearance. This standard is required to be kept up throughout the drivers racing season. Cars with tatty, dented and badly battered panels will not be passed by the scrutineer. (Metal panels only may be used the exception being front and rear bumpers, see separate item 9. Bodywork). VIOLATIONS When referring to the engine, gearbox, differential, mechanical or construction, rules and regulations the principle will always be: Unless permission is specifically granted to make modifications, or any variation, nothing may be done to alter or change in any way the standard Parts. Unless these rules state you can do it, you CANNOT DO IT. Cars, Engines and Fuel will be checked on a random basis. Violations will result in an immediate suspension of all racing facilities and any refusal will also result in an immediate suspension. All car and engine specifications will be taken from either the manufacturers technical specification books or the technical service data books for cars, as published by Glass's Guide Service Limited. If there are any discrepancies occurring between books, the promotion will exercise its judgement, which will be final in any dispute. Clarification on any item can be sought from: The Secretary, O.R.C., Technical Committee, P.O.Box 9889, Birmingham, B43 6WA. N.B. Drivers are reminded that scrutineer checks can be carried out at any time, and most certainly at official championships. If parts are suspected of being illegal make sure you leave them with the promotion if you do not agree. If you refuse it will automatically make the parts illegal. It is the responsibility of the driver to prove to the promotion that the part is legal by the way of written proof of where the part originated. This must be done within seven days, otherwise the part(s) in question will be deemed to be illegal and will result in immediate suspension from racing and referral for disciplinary action. 1. CARS 1300cc and 1400cc cars will race under the same banner. The only cars eligible for use are those set out within these specifications and they must be raced with mechanical and constructional specifications as produced when new with the original engine capacity not exceeding 1300cc or see separate listing for 1400cc. Anyone wishing to race any car other than those listed may request permission from their promotion. All constructional rules will be the same for both the 1300cc and 1400cc but there is a new engine specification for 1400cc cars. Any fuel injected 1400cc cars will have to use carburettor and manifold within their range, but not from a larger cc vehicle. 2. ENGINES - 1300CC Engines must be as produced by the manufacturer, two valves per cylinder, i.e. no twin carburettor set ups, where not originally specified. No fuel injection or turbo charging is permitted. Engine mountings to remain standard, with the exception of Front Wheel Drive cars where the top engine mounting (by valve cover) may be solid. Cylinder Block. Nominal overboring to a maximum of 0.060" (1.5mm) is permitted. Skimming of the block on the head gasket surface only is permitted. Cylinder Head. The skimming of the cylinder head on the head gasket surface only is permitted. Cylinder heads must remain standard and unworked, standard reconditioning procedure of valve seats, with a 3-angle cut, is permitted. Valve springs are free. The following must not be machined, repositioned or modified in any way: valve caps, collets, valve guides, spring seats and valve stem oil seals, with the exception of Corsa/Nova lash caps which may be of competition type. Solid lifters may be fitted. Hydraulic lifters may be welded or modified to be solid and shimmed. In the case of Starlet 3K and 4K engines, the inlet port orifices must not exceed 29mm. i) If the oil feed to the cylinder head becomes mis-aligned when head is surfaced it may be re-aligned. ii) Head bolts may be shortened or washers may be used. iii) Bronze valve guides are NOT permitted unless fitted as standard, but it is permitted to use a thin wall bronze sleeve in existing guide. iv) Inlet and exhaust valve seats may be lowered, (i.e. moved away from pistons) but the valve head must sit level with or below the combustion chamber roof. Pistons. Manufacturers pistons or original replacement pistons must be used and must not be altered in any way. Camshaft. The camshaft may be changed to that of a competition type but no other parts may be altered to accept the camshaft other than those permitted within these rules. The only exception to this is for the Vauxhall Nova/|Corsa engine where the cambox to cylinder head surface of the cambox may be surfaced (level). Offset dowels, drilling or pinning is permitted. Vernier timing wheel is permitted. Carburation. Must remain as standard and although jets and needles are free, they must remain fitted. (A list of venturi sizes and carburettors are detailed under item 29). Trumpets or stubs are not allowed on carburettors. Choke butterflies, cold start equipment and economy devices can be removed. The V.V. carb on C.V.H. engines may be replaced with a Weber 32 IBF. A 32 DHA carburettor is allowed on Kent Engine. A 32 DGA or 32 DGR carb is permitted on either the C.V.H. or Kent engine. Choke butterflies may be modified to open together. Inlet. Manifolds to be of standard type, to that of the engine fitted. The dimensions and shape must be the same as the original manufactured item. Exhaust. Manifolds to be of standard type, to that of the engine fitted. Exhausts with a hot spot may be blanked off. (Down pipes are free) Distributor. Must be the standard type. The mechanical and vacuum advance may be altered. The vacuum advance may also be removed. No electronic ignition is permitted unless fitted as standard. No interchange between models is permitted. The BOSCH distributor is allowed on Ford Kent, and BOBCAT engine. Balancing. Balancing is permitted by spot drilling only.. When balancing pistons and con rods, at least one of each must be as original (undrilled). Con Rods Any big end bolts may be used, but con rods must not be machined to accommodate them. Flywheels. The lightening of flywheels is permitted. Sundry. Oil coolers are permitted. Either electric or water pump fan is permitted but not both. Standard sumps must be used and can be baffled. Pick-up pipes can be modified within the confines of the sump. No outside alteration is permitted. The engine must be fitted with a metal catch tank of 1 litre minimum capacity connected to the engine breather system. Transplants. The engine and gearbox from the Austin/MG 1300 may be fitted into the Metro/Mini shell. Ford Escort and Fiesta may use the 1300 x- flow engine to replace the C.V.H., and the 1300 Nova engine may be used in the Corsa. No other engine transplants are allowed. 2A. ENGINES - 1400CC Engines must be as produced by the manufacturer, two valves per cylinder, i.e. no twin carburettor set ups, where not originally specified. No fuel injection or turbo charging is permitted. It is permitted to use an engine or block assembly from another model of the same manufacturer if all technical specifications are the same. Fuel injected engines may be used - see Inlet and Exhaust Manifold below. Engine mountings to remain standard, with the exception of Front Wheel Drive cars where the top engine mounting (by valve cover) may be solid.. Cylinder Block. Nominal overboring to a maximum of 0.060" (1.5mm) is permitted. Skimming of the block on the head gasket surface only is permitted. Cylinder Head. The skimming of cylinder head is permitted on head gasket surface. Cylinder heads must remain standard and unworked, standard reconditioning procedure of valve seats, with a 3 angle cut is permitted, but there must be no machining or fettling either side of the valve seat. Valve springs must remain as standard, and must be the original manufacturer's part. The following must not be machined, repositioned or modified in any way: valve caps, collets, valve guides, spring seats and valve stem oil seals, with the exception of Corsa/Nova lash caps which may be of competition type. Solid lifters may be fitted. Hydraulic lifters may be welded or modified to be solid and shimmed. Fuel injected engines may be used, but injection inlet manifold must be replaced with a conventional carburettor version within the manufacturer's range. Only locating holes and gasket may be altered to allow manifold to fit. (Manifolds and carburettors from larger cc version cannot be used.) i) If the oil feed to the cylinder head becomes mis-aligned when head is surfaced it may be re-aligned. ii) Head bolts may be shortened or washers may be used. iii) Bronze valve guides are NOT permitted unless fitted as standard, but it is permitted to use a thin wall bronze sleeve in existing guide. iv) Inlet and exhaust valve seats may be lowered, (i.e. moved away from pistons) but the valve head must sit level with or below the combustion chamber roof. Pistons. Manufacturers pistons or original replacement pistons must be used and must not be altered in any way. Camshafts. The camshaft may be changed to that of a competition type but no other parts may be altered to accept the camshaft other than those permitted within these rules. The only exception to this is for the Vauxhall Nova/|Corsa engine where the cambox to cylinder head surface of the cambox may be surfaced (level). Offset dowels, drilling or pinning is permitted. Vernier timing wheel is permitted. Carburation. Must remain as standard and although jets and needles are free, they must remain fitted. Trumpets or stubs are not allowed on carburettors. Choke butterflies, cold start equipment and economy devices can be removed. The VV carburettor on CVH engines may be replaced with a Weber 32 IBF. A 32 DHA carburettor is allowed on Kent engine. A 32 DGA or 32 DGR carburettor is permitted on either the CVH or Kent engine. Choke butterflies may be modified to open together. Inlet & Exhaust Manifolds Must be the original manufacturer's parts as fitted to your model of car. Even if the original engine is not being used for the model of car, the original manifolds must be used if available, (see cylinder head). Exhaust down pipes are free. Distributor. Must be the standard type. The mechanical and vacuum advance may be altered. The vacuum advance may also be removed. No electronic ignition is permitted unless fitted as standard. Where the engine is not fitted with a distributor as standard and it is not possible to fit a distributor from the same vehicle manufacturer, certain types of Luminition will be allowed to be fitted. (The Renault Clio 1.4 may fit Luminition Kit No C410 ECU. Top line mapped only. Max advance by 3750-RPM ignition may be advanced only; no retarding. Whatever advance figure appears at 3750-RPM must be continued to end of rev range). Balancing. Balancing is permitted by spot drilling only.. When balancing pistons and con rods, at least one of each must be as original (undrilled). Con Rods Any big end bolts may be used, but con rods must not be machined to accommodate them. Flywheels. The lightening of flywheels is permitted. Sundry. The engine must be fitted with a metal catch tank of 1 litre minimum capacity connected to the engine breather system. Sump. Standard sumps must be used and can be baffled. Pick-up pipes can be modified within the confines of the sump. No outside alterations are permitted. 3. TRANSMISSION The gearbox, gearbox mountings and final drive must remain standard, but gears and ratios from the same manufacturer may be interchanged and the gearbox and final drive may be interchanged within manufacturer's range. The differential assembly may be locked by way of welding. All of the above exceptions must be achieved without machining or modification of the standard parts. Driveshafts Must be the original fitted to make and model and must remain standard. The fitting of spacers is not permitted. Drive shafts from automatic versions are not permitted. Propshafts May be modified or interchanged from manufacturers range. 4. WHEELS Wheels of any type may be fitted to the car and may be widened to a maximum of 6" by inserting a steel band, no wider types permitted. Manufactured steel wheels may be used e.g. Weller. Maximum wheel diameter is 13". Alloy wheels are permitted. No wheel spacers allowed. The top of the wheel and tyre must be covered by the wheel arch. For users of the Citroen AX-1350cc-the 3 stud wheel fixing may be changed to 4 stud using Peugeot components. 5. TYRES The only tyre permissible is the Yokohama, size 185/70 x 13 A021R Compound No T567 only. The 2002 price is £39.93 including VAT @ 17.5%. N.B. All old compound tyres are no longer permitted for use. They have not been available now for several years. Gaters on tyres are not allowed. Additional tread pattern may not be cut into tyres. Drivers should be reminded that even if the tyre does not fit under the car, a different tyre may not be used and the suspension may not be modified in any way to allow the correct tyre to be used (reference Metro's) 6. FRONT SUSPENSION Near Side Only · To be fitted as original · Negative camber or caster on nearside front wheel only is permitted. This may be achieved by modification of original standard parts only. · Track control arms may be extended and adjustable, locating holes on suspension components and abutment plates may be elongated, but no material may be added. · Caster adjustment is permitted and may be achieved by modification of the original standard locating rods and bushes and may be adjustable. Chassis pick-up points must remain in their original location. A tolerance of + or - 2" will be permitted on nearside. · No competition joints or bushes are permitted. Off Side Only · To be fitted as original · A tolerance of + or - 1" on wheelbase will be permitted. Correction to wheelbase may be achieved by modification of the following original standard part, either anti-roll bar/tie rod or bushes or by adding or removing washers from these items, but must not be adjustable. Suspension · A Strut reinforcement bar may be fitted to the top mounting and may be secured by means of a separate bracket. Shock Absorbers - Front · Only the front units, with sealed top may be modified to a screw top closure, in order to service the units. The foot valve may be modified and the oil replaced with a competition type. The price must not exceed £100.00 + VAT and must mount as the original and to the original mountings. N.B. Gas shock absorbers are no longer excluded from this rule. Unless stated above, no metal may be added to suspension parts. 7. REAR SUSPENSION Rear axle locating rods must remain standard length and bushes as original. EXCEPT - The Toyota Starlet where, the top axle link bars may be substituted for bars and bushes of different size, but must not alter in length. Springs · Can be altered to affect ride height by flattening of leaf springs or shortening of coils. Coils springs must retain the original overall diameter, also may be retained by either wiring, tie wraps or clips. Lowering blocks are not permitted with leaf springs. Shock Absorbers - Rear · Gas shock absorbers are not permitted, and must be replaced with a non-competition unit in its standard form. Unless stated above, no metal may be added to suspension parts. 8. BRAKES To be as original and to work on all wheels. Handbrake is compulsory. No biased braking. No modification to brake compensator(s). No hydraulic handbrakes except where standard. No competition parts with the exception of competition pads may be used. Brake components from the same manufacturer's range may be used, but must be done without modification of standard parts and may not be from a larger cc vehicle e.g. no parts from a 1600cc may be used. 9. BODYWORK To remain as production (see ** below) with removal of inner door panels and the inner rear quarter panels from the waistline down being permitted. Removal of structural stiffeners is not permitted, with the exception of boot and bonnet. Wheel arches may be cut away to accept a wider rim. If the body is cut then 2" wheel spats of mild steel must be fitted. Seam welding is not permitted anywhere on the car with the exception of the doors. Tack welding is allowed - this is defined as being 2" weld with a 6" gap before next weld. A Fiesta or similar rear bumper can be fitted to cars that had integral back panels and bumpers in one piece, and may be welded on; or any plastic bumper which is similar from other makes of vehicle may be used. No strengthening may be added, but on cars where suspension mountings or subframe locate on a weak part of the body (i.e. BLMC 1100's) suitable strengthening may be added. All doors must be fixed when racing. No spoilers or aerofoils except where fitted as standard to the make and model of the car. Mild steel panels only may be used, door skirts may be fitted but these must tie into the lower edge of the wheel arch and must not be deeper than 1½". The width of the skirts must not be wider than the wheel arch. 1" diameter inspection holes must be included in bumpers and side skirts. Gusseting of the front and rear wheel arches is permitted, between the centre line of the front and rear axles. Any replacement panels must be of the original gauge with 2" diameter hole drilled for inspection. Front panels must not exceed 1.2mm (0.048) or 18 gauge. Where two sections are used to form a front panel, the overlap must not exceed ½". Repairs to front wings and flitch panels must be carried out with material of original thickness, not 18 SWG. Where front panels are non-original of 18 SWG, only the front section may be of that material; the "wrap-around" section to join it up to the wings and the inner flitches etc. must all be constructed with the original thickness of material which is usually 22 or 24 SWG. Where front panels are non-original, the shape reproduced must be the original silhouette of the car when the original bumper is removed. Front panels must not incorporate a front bumper in the shape produced. Likewise the flitches must follow approximately the original contour, not folded with angles to provide strength. Where bonnet slam panels are replaced, lightweight tube or box must be used. Cross ties 16- 18 gauge, 1mm box section. Panels must not be doubled. Additional gussets must not be added to provide strength to chassis legs etc. Existing apertures, (headlamps etc.) may not be strengthened by any means other than to pop-rivet a maximum of 18 SWG alloy plate as a blanking cover. NO STAINLESS STEEL OR FOAM FILLED PANELS ARE PERMITTED. ** Where replacement panels are unobtainable, similar panels from other makes of vehicle may be used. 10. BUMPER & GRILLES A rear bumper must remain on the car occupying its original position. Cars with a wrap around one piece moulded bumpers may replace this with a panel as set out under bodywork rule, but a Fiesta or similar bumper should be welded in place. Grilles must remain in their original position and headlamp apertures must be filled, (Please refer to section 9 Bodywork). These must not have more than a 1" overlap. Grilles must be original or plastic replacements. The use of a plastic front bumper is allowed. 11. ROLL CAGES No Alloy roll cage or part cages are allowed. The minimum steel roll cage protection you must have is one front hoop, one rear hoop, two roof connecting bars, one dash cross bar, two N/S chicken bars and two O/S chicken bars. The roll cage hoop feet must be on four welded 23cm square plate 3mm (min.) thick, or a piece of 38 x 38 mm box section, 2.5mm minimum thickness, connecting front and rear hoop feet welded to sill or floor. All joints must be welded over 90% of the joint unless professional clamps are used. The cage must not protrude through the bulkhead. Rear cage bars must terminate at least 4" from the rear panel. All bars connected to the cage must be steel. The minimum thickness of the roll cage are 1¼" OD 10swg (3mm) tube 1½" OD 12swg (2.5mm) tube 1½" x 1½" 10swg (3mm) box iron. 12. SCREENS No glass is allowed in the window apertures or screen. All glass must be removed, including head/side lights and all rear lights. An internal mirror and an external driver's door mirror are compulsory. A metal upright ¾"x ¾" must be welded or bolted into the centre of the windscreen aperture. 13. STOP LIGHTS Either two stop/brake lights or one single stop/brake strip-light must be fitted onto the rear parcel shelf or hung from the roof. If two lights, they must be a minimum of 30 inches (762 mm) apart facing rearward. Lamp(s) must be operated by the standard stop light switch as fitted to the particular model of car. No other switches or modifications to switches to be made. Bulbs to be of 21 watt intensity. · For round type lamps: minimum diameter 3" (76mm), maximum diameter 5" (127mm). · For square/rectangular type lamps: minimum 3" (76mm) square, maximum 5" (127mm) square. · For strip type lamps 16" (406mm) maximum width. 14. BATTERIES & ELECTRICAL Batteries must be securely clamped in place and covered with a leak proof material to prevent spillage of acid. An electrical cut/off switch must be fitted to the R/N/S corner of the car. If the car is fitted with an electrical fuel pump, a switch must also be within easy reach of the driver. Self-starter motors must be fitted and in working order at all times. The use of a rev counter is permitted. 15. SEATS Fibre glass seats and other special competition seats are recommended, and must be securely fitted. The back of the seat must be adequately supported at shoulder height and a strong head restraint must be an integral part of the rollcage, if not part of the seat. 16. STEERING The steering rack or box should occupy it original position but the steering column height can be adjusted to suit the driver. It is recommended that the upper retaining bracket of the column be strengthened on some cars for safety. The use of quick release steering wheel mechanisms is permitted. 17. SAFETY BELTS & EQUIPMENT Only belts comprising separate shoulder, lap and sub-straps will be permitted. The sub-strap must be used at all times and all belts must connect to the quick release buckle. In the case of NASCAR lever latch buckles it is advisable to fit a secondary means of detent to prevent overall sleeves accidentally unhooking buckles during racing. A small section of tubegrip elasticated bandage slid over the hooked buckle serves this purpose. Special attention must be paid to the condition of seat belts and fixings once fitted. An extra bar is to be fitted to roll cage behind drivers seat approx 4" below shoulder height of driver. Your seat belts may be fixed to this bar. The bar is to be of roll cage size (see item 10 for size). Information is available form your promotion on the correct procedure to follow when fitting seat belts, remember, your life depends on them. From 1st January 2001, a quick release cloth window net must be fitted to the driver's door window aperture. The netting should have holes not larger than 7.5cm or 3" wide. It should come down level with the steering wheel, and should be flexible and easily removable separate to the movement of the door. N.B. Integral steel mesh window nets can no longer be used. 18. FUEL TANKS Only tanks with a maximum capacity of 4 gallons or less are permitted, these must be fitted inside the boot or rear area where they are separated from the driver and securely mounted. They MUST NOT BE FITTED BELOW THE CHASSIS RAILS of the car unless fitted in the spare wheel well which may be lower. All tank filler caps must be of a secure leak proof metal or screw fitting. Petrol pipes must be of metal or metal covered and have a shut off tap within easy reach of the driver. All tanks must be fitted with a breather system which prevents spillage of a car is inverted. All petrol pick up pipes must draw though a stand pipe from the top of the fuel tank. Four 2" holes must be drilled at the lowest point under tanks to allow spilled petrol to drain. A firewall between fuel tank including filler cap/pump and driver must be fitted. Any rear engined car must have the fuel tank fitted inside the car and fully sealed behind a firewall. A hoop made up to go around the fuel tank must be fitted to all cars. The minimum thickness for this metal is 1¼" OD 10swg (3mm) tube. This bar must be a minimum of 5" from the fuel tank, and must be 4" (101 mm) from the rear panel. Fuel regulators may be used. 19. SILENCERS A single Ford silencer (Part No. E1 ADDN 5320A which is also available from different manufacturers by cross reference with the Ford Part No.) or AX891 is permitted, or a two box system comprising QH3002 and QH8325. A minimum 10" section of tail pipe must be fitted to the silencer facing rearwards or down. 20. RADIATORS Radiators are free but must occupy their original position. A heater matrix may be used as a secondary radiator but must be fitted under the bonnet. 21. ROOF COLOURS When notified of their grading, drivers will paint at least 90% of the roof to their appropriate grading colour, White, Yellow, Blue or Red. Race car numbers can be painted on the top of the roof, but will not be used as a excuse to have the incorrect roof grading. Silver strip denotes top points scorer. Any driver winning an official ORC Group Championship will be required to paint his roof the said colour for that Championship as follows : World Gold European Red/Yellow Chequered British Black/White Chequered National Gold Stripe English St. George's Cross Scottish St. Andrew's Cross The World Champion, European Champion, British Champion, National Champion and English Champion plus each promotions Top Points Scorer must start at the back of the grid. 22. NUMBERS Numbers must be displayed on both sides of the car in contrasting colours with a minimum of 12" high in 2" strokes. Regulation fin numbers must be Black on a White background 9" high in 1½" strokes minimum. The fin plate must be fitted on or above the roof line but be no higher than 12" in total from the roof. All numbers must be of professional appearance and can be painted on the roof itself in addition to the finplate. 23. SIGN WRITING The drivers name must appear plainly on the sun visor. Only other writing confined to sponsors or mechanics names which must have the approval of the promotion at all times. 24. CLOTHING Drivers must wear bright coloured racing overall type clothing of flame retardant Proban or a high specification material and this must be maintained in a clean and tidy condition in view of the public. N.B. If wet weather clothing is used this must be worn IN ADDITION TO and NOT INSTEAD OF the regulation flame retardant overall type of clothing described above. Neck braces are recommended, as are gloves and balaclavas. 25. HELMETS Protective goggles or visors must be worn. Helmets must be of a minimum standard as directed by British Oval Racing Safety Executive (B.O.R.S.E). These are BS6658/85 Type A, BS6658 Type A/FR, Snell SA 95, Snell SA2000, SFI Foundation 31.1, or SFI Foundation 31.2. The European E22 standard will not be accepted. 26. FIRE EXTINGUISHERS Must be at least 1kg (2lb) dry powder or gas and be of the dial type, and to be fitted within easy reach of the driver. It should be maintained in good working order at all times, securely fitted but not taped or tied in. 27. WEIGHT The minimum car weight at any time without driver for rear wheel drive cars is 600Kg and front wheel drive cars is 650Kg. The use of ballast to achieve this weight must be steel plate bolted to the floor. This internal plating must be of equal proportions on both sides and front to rear of the car both in construction and gauge. I.E. If a 10Kg weight is fitted in the front offside footwell, a 10kg weight must also be fitted in the nearside footwell. Bolts of the same size and material must be used to fit the plates, and the bolts must be welded. 28. GENERAL RULES OF RACING Each driver is only permitted one car per meeting and each car is only permitted one driver per meeting. 29. CARS ELIGIBLE FOR USE 1300 cc CARS VENTURI SIZES Austin Metro 1.75 Fiat Uno 1299cc may be fitted into a Fiat 128 19/23 Weber 30/32 Ford Fiesta 1298cc 22 Ford Fiesta Supersport 22 Ford Fiesta with the CVH engine is permitted for use in the MKII shell only 24/25 Ford Fiesta 1300 MK1 - MK5 23/24 Ford Escort MKIII 1300 24/25 Honda Civic 1238cc (77/79) 20/26 Nissan Micra (B12/N13) 20/27 Peugeot 205 1294cc (OHV Engine ONLY) 26 Weber 321 BSH Renault 5, 5TS 23/24 Toyota Starlet 1.3 1290cc - Must use standard 1300cc Carburettor 23/26 (throttle linkage may be altered) Vauxhall Astra 1297 MK I & MK II Pierburg 2E3 Twin Choke 20mm/24mm Vauxhall Corsa 1300cc Pierburg 2E3 Twin Choke 20mm/24mm Vauxhall Nova 1300cc Pierburg 2E3 Twin Choke 20mm/24mm Vauxhall Tigra (run as Nova 1300cc) Pierburg 2E3 Twin Choke 20mm/24mm Volkswagen Golf, Polo Pierburg 2E3 Twin Choke 21mm/23mm It should be noted that some venturi sizes may vary slightly from those specified by the manufacturer. In these cases drivers should use the above sizes. 29. CARS ELIGIBLE FOR USE (Continued) 1400cc CARS Alfa 33 - 1351cc Citroen AX - 1350cc Colt - 1400cc Fiat Uno - 1301cc , 1372cc Ford Fiesta - 1392cc Ford Escort - 1392cc Honda Civic - 1396cc Lancia Delta - 1300cc Mazda 323 - 1323cc Nissan Sunny - 1400cc Peugeot 106 - 1360cc Peugeot 205 - 1360cc Proton - 1300cc Renault 5 - 1400cc Renault Clio - 1400cc Rover Metro - 1400cc Suzuki Swift - 1300cc, 1324cc Suzuki Swift - 1324cc Vauxhall Corsa - 1396cc Vauxhall Nova - 1400cc Vauxhall Tigra - 1400cc (Run as Nova spec) Yugo - 1301cc All carburettor/venturi sizes for the above, are to be the original standard part. REVISED RULES FOR 2002 IN BOLD/ITALIC PRINT 2002 Stock Rod Technical Specifications, Issue 3, Dated 2nd January 2002. IMPORTANT! REVISED RULES FOR 2002 ARE HIGHLIGHTED IN THE WORD VERSION. IN THE EVENT OF ANY DIFFERENCE BETWEEN THE RULES ON THIS PAGE AND THE WORD VERSION THEN THE WORD VERSION TAKES PRECEDENCE. Click on the icon below to download the Technical Specs as Word document.
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