Wheel Track Suspension Post 1970
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PASSENGER CAR TRACK LIST 1970 AND LATER VEHICLES Section LS on Tyres, Rims, Suspension and Steering of the Vehicle Standards Bulletin 14 on the National Code of Practice (NPC) for Light Vehicle Construction and Modifications states that the wheel track of passenger cars must not be increased by more than 25mm beyond the maximum specified by the vehicle manufacturer for the particular model. This means that the rim offset must not be changed by more than 12.5mm. The vehicle details in this Fact Sheet specify the maximum allowable wheel track for each vehicle including the 25mm tolerance (plus 1 mm). All Vehicles will fail for wheel track measurement if it meets or exceeds the specified measurement. DETERMINATION OF WHEEL TRACK Wheel track is the distance measured across STEERING WHEELS an axle from the centre line of one tyre tread to the centre line of the opposite tyre tread. All passenger cars and passenger car derivatives manufactured on or after the When Aftermarket wheels are fitted to passenger The fitting of wheels to a vehicle with a 1st January 1971 are required to comply with cars, or their derivatives, manufactured on or different offset will alter the wheel track. An Australian Design Rule 10 - Steering Columns. after the 1st July 1985, the rims must be marked increase in wheel track, will result in additional Vehicles that are required to comply with ADR with the following information; load on the wheel bearings, axles, steering and 10 may be fitted with the standard steering suspension components, as well as changing wheel, a manufacturer’s optional steering wheel 1. Rim offset. e.g. 10P = 10mm Positive. the steering geometry of the vehicle. This for that 2. Rim dimensions. e.g. 7JJ X 14 = 7 inch width, could seriously affect the safety of the vehicle. particular make and model or an approved 14-inch diameter. aftermarket wheel. 3. Name of rim manufacturer and the standard to RIM OFFSET which it was manufactured. Acceptable aftermarket steering wheels are; Offset is the distance between the rim • Momo mounting face and the centre line of the rim. SUSPENSION CLEARANCE • Isotta This distance is termed positive when the mounting face is outboard of the rim centre Under the NCP the available suspension travel The diameter of the steering wheel is measured line. i.e. original equipment rims. When the of a vehicle must not be reduced by more than from the outside of the rim on one side across to mounting face is inboard of the rim centre line, one third. The specifications included in this list the corresponding point on the opposite side of this is termed a negative offset i.e. deep-dish are the minimum allowable. the rim. In the case of a non-circular wheel the rims. measurement is taken at the widest point. DETERMINATION OF BUMP RUBBER Steering wheels with an outside diameter of less A DECREASE IN RIM OFFSET (i.e. CLEARANCE than 330mm are not permitted. negative) WILL RESULT IN A The suspension bump clearance is the distance INCREASE IN WHEEL TRACK between the bump rubber, which is usually For further information regarding the acceptability mounted on the lower control arm or above the of an aftermarket steering wheel please contact upper control arm, and the corresponding Vehicle Standards on 1300 882 248. contact point. The clearance must be measured with the vehicle on level ground, in its normal MAXIMUM TOWING WEIGHT operating but unladen state. This list includes the maximum braked and un- DETERMINATION OF VEHICLE EYEBROW braked weight that can be towed by that vehicle, HEIGHT according to the vehicle manufactures specifications. This includes the weight of the Vehicle bump clearance specifications as trailer, or vehicle, being towed and any load designated with the symbol (E) signifies the being carried in it. vehicles minimum eyebrow height. This distance is measured from the centre of the wheel It should be noted that some manufacturers vertically upward to the edge of the vehicles stipulate speed restrictions and towing mudguard, with the vehicle in it's normal equipment or towing packs required for the operating but unladen condition. vehicle to be able allow the maximum weight specified. This information is generally available in the Owners Manual or available from the vehicle manufacturer. OCTOBER 2008 PASSENGER CAR WHEEL TRACK LIST – 1970 AND LATER VEHICLES ALFA ROMEO MODEL MAXIMUM MIN BUMP MAX MAX LARGEST TRACK CLEARANCE/ TOWING TOWING AVAILABLE EYEBROW WEIGHT WEIGHT ORIGINAL HEIGHT (E) UN-BRAKED BRAKED WHEEL SIZE Ti 1.3 + 1.6 F 1335 N/A - - - April 68-71 R 1295 1750 Spider F 1350 N/A - - - 68-70 R 1300 2000 Spider F 1335 N/A - - - 71-76 R 1295 1750 F 1345 N/A - - - 67-72 R 1295 2000 F 1345 N/A - - - 72-76 R 1295 GT Junior 1.3 and 1.6 F 1350 N/A - - - 72-74 R 1300 Alfasud Ti 1.2 Litre F 1410 N/A - - - April 74 - 78 R 1377 Ti 1.5 Litre F 1423 N/A - July 79 - 82 R 1390 - - Super Sedan F 1418 N/A - February 82 - 83 R 1385 - - Alfetta GTV and L - 2.0 litre F 1386 N/A - - - 77 - 80 R 1375 1780 ml F 1386 N/A - - - April 74 - November 78 R 1375 2.0 litre F 1392 N/A - - - March 78 - 82 R 1392 2.0 litre and L F 1386 30 - - - December 82 - 84 R 1384 56 GT F 1386 N/A - - - 75 - 76 R 1376 N F 1410 N/A - - - 74 - 76 R 1377 ALFA ROMEO February 2008 PASSENGER CAR WHEEL TRACK LIST – 1970 AND LATER VEHICLES MODEL MAXIMUM MIN BUMP MAX MAX LARGEST TRACK CLEARANCE/ TOWING TOWING AVAILABLE EYEBROW WEIGHT WEIGHT ORIGINAL HEIGHT (E) UN-BRAKED BRAKED WHEEL SIZE Brera Coupe 4cyl (48) F 1619 380(E) 500kg 1450kg 18” Feb 2006 - R 1601 365(E) Coupe 6 cyl (48) F 1605 362(E) 500kg 1500kg 18” May 2006 - R 1585 347(E) Coupe 5cyl Diesel (48) F 1605 370(E) 500kg 1500kg 18” May 2006 - R 1585 355(E) Coupe & Convertible 4 cyl (51) F 1619 380(E) 500kg 1450kg 18” May 2006 - R 1601 365(E) Coupe & Convertible V6 (51) F 1605 362(E) 500kg 1500kg 18” May 2006 - R 1585 347(E) Giulielta April 80 - 83 F 1386 N/A - - - R 1384 GT 2.0 Litre F 1544 393(E) 400kg 1300kg - June 2004 - R 1532 399(E) 3.0 Litre F 1544 365(E) 400kg 1400kg - June 2004 - R 1532 370(E) GTV 2000 F 1345 N/A - - - 72-76 R 1295 2000 F 1386 N/A - - - March 77 - June 81 R 1384 2000 F 1390 N/A - - - July 81 - June 83 R 1384 2000 F 1399 N/A - - - July 83 - R 1378 2000 F 1525 364(E) - - - Aug 99 – Dec 2000 R 1532 392(E) 2.0 litre Conv F 1525 365(E) - - - Nov 99 – Dec 2000 R 1532 385(E) ALFA ROMEO MODEL MAXIMUM MIN BUMP MAX MAX LARGEST February 2008 PASSENGER CAR WHEEL TRACK LIST – 1970 AND LATER VEHICLES TRACK CLEARANCE/ TOWING TOWING AVAILABLE EYEBROW WEIGHT WEIGHT ORIGINAL HEIGHT (E) UN-BRAKED BRAKED WHEEL SIZE GTV 2.0 litre Sedan F 1525 365(E) 900kg 500kg - Jan 2001 – July 03 R 1532 385(E) 2.0 litre Conv F 1525 340(E) 0kg 0kg - Jan 2001 - R 1532 360(E) 2.0 litre Conv Medio F 1515 340(E) 0kg 0kg - Jan 2001 - R 1522 360(E) 2.0 litre Sedan F 1525 385(E) 1000kg 500kg - Aug 03 R 1532 405(E) GTV 6 March 83 - F 1399 N/A - - - R 1378 3.0litre V6 F 1534 364(E) - - - Aug 99 – Dec 2000 R 1556 392(E) 3.0 litre V6 F 1534 365(E) 900kg 500kg - Jan 2001 – July 03 R 1556 385(E) 3.2 litre V6 F 1534 365(E) 1000kg 500kg - August 2003 - R 1556 385(E) 33 Series May 84 F 1418 318(E) - - - R 1401 318(E) 4WD F 1423 335(E) - - - March 85 - R 1401 350(E) 16V F 1392 305(E) - - - August 90 - R 1411 305(E) 16V S 4WD F 1392 295(E) - - - August 90 R 1411 335(E) 75 Series Super 2.0 + 3.0 Litre F 1399 310(E) - - - 3.0 QV November 86 R 1388 335(E) Super 2.5 V6 F 1399 310(E) - - - November 86 - R 1388 335(E) ALFA ROMEO MODEL MAXIMUM MIN BUMP MAX MAX LARGEST TRACK CLEARANCE/ TOWING TOWING AVAILABLE February 2008 PASSENGER CAR WHEEL TRACK LIST – 1970 AND LATER VEHICLES EYEBROW WEIGHT WEIGHT ORIGINAL HEIGHT (E) UN-BRAKED BRAKED WHEEL SIZE 90 Series June 85 - F 1392 345(E) - - - R 1384 315(E) 147 Series 1.6 litre Sedan F 1542 365(E) 400kg 1300kg - May 2001 – May 2004 R 1530 367(E) 2.0 litre Sedan (40) F 1538 365(E) 400kg 1300kg - May 2001 – May 2004 R 1535 367(E) 1.6 litre 3 & 5 Dr F 1542 372(E) 400kg 1300kg - June 2004 - R 1530 384(E) 3 & 5 Dr (44) F 1538 380(E) 400kg 1300kg - June 2004 – Nov 2005 R 1535 386(E) 3 & 5 Door inc Diesel (52) F 1542 373(E) 400kg 1300kg 17” Dec 2005 - R 1535 386(E) GTA Sedan F 1554 360(E) 0kg 0kg 18” June 2004 - R 1551 365(E) 156 Series Sedan inc 2.5 Litre V6 F 1537 355(E) 500kg 1400kg - Jan 99 – Sept 2001 R 1524 350(E) S/Wagon 2.5 Litre V6 F 1537 366(E) 500kg 1300kg - Jan 99 - R 1524 364(E) Sedan F 1537 350(E) 500kg 1400kg - Oct 2001 - R 1524 350(E) Sedan 2.0 F 1539 384(E) 500kg 1300kg - April 2004 - R 1526 389(E) Sedan 2.5V6 F 1539 370(E) 500kg 1400kg - April 2004 - R 1526 375(E) 3.2 V6 GTA Sedan F 1548 360(E) 500kg 1400kg - April 2004 - R 1535 365(E) 2.0 & 2.5V6 Station Wagon F 1539 382(E) 500kg 1400kg - April 2004 - R 1526 362(E) (1300kg 2.0) 3.2 V6 GTA Station Wagon F 1548 360(E) 500kg 1400kg - April 2004 - R 1535 365(E) ALFA ROMEO MODEL MAXIMUM MIN BUMP MAX MAX LARGEST TRACK CLEARANCE/ TOWING TOWING AVAILABLE EYEBROW WEIGHT WEIGHT ORIGINAL February 2008 PASSENGER CAR WHEEL TRACK LIST – 1970 AND LATER VEHICLES HEIGHT (E) UN-BRAKED BRAKED WHEEL SIZE 159 Series F 1619 385(E) 500kg 1500kg - Sedan 4cyl petrol & diesel (49) March 2006 –Sept 2006 R 1601 371(E) Sedan 5cyl & V6 (49) F 1605 378(E) 500kg 1500kg 18” March 2006 – Sept 2006 R 1585 366(E) 1700kg V6 Sedan 4cyl (53) F 1619 385(E) 500kg 1500kg 18” October 2006 - R 1601 374(E) Sedan V6 (53) F 1605 391(E) 500kg 1700kg 18” October 2006 - R 1585 376(E) S/Wagon 4cyl petrol & diesel(50) F 1619 385(E) 500kg 1500kg 18” March 2006 –Sept 2006 R 1585 371(E) S/Wagon 5cyl & V6 (50) F 1605 378(E) 500kg 1500kg 18” March 2006 – Sept 2006 R 1585 366(E)