Eligibility of Wheels & Tyres

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Tyres of Acceptable Appearance for VSCC Eligibility

1. The tyres listed indicate they are of acceptable appearance to comply with the Club's Eligibility Rules. Their inclusion does not imply that they are suitable or recommended for any type of motorsport use. It is the responsibility of the owner and driver to ensure the tyres fitted to their car are suitable for the event entered.  
2. There is no guarantee that the tyres in this list are available for purchase and the list includes some tyres that are no longer in production. These are included because examples continue to be used in Club competitions. 
3. Whilst the list seeks to include the most popular tyres used for Club competitions it is not definitive. Other acceptable tyres will be available. If the tyre you are considering using is not included, please seek guidance from the Eligibility Sub-Committee. Remember, for Trials, only  Road tyres are acceptable. Off Road, Trail or Enduro type tyres are not acceptable. 

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Eligibility Rules in respect of Wheels and Tyres

 
Eligibility Rules in respect of Wheels and Tyres change from 1 January 2021.

These are shown below with the changes to existing rules shown in italics.
 
Wheels - Modified
 
Must be of the original type.  The diameter may be increased or decreased by 10% with a minimum diameter 17" for Sports Cars unless a smaller diameter was fitted to the catalogued model in period. The rim section may be increased by ½”, except that for racing cars competing in race or speed events the rim section may be increased by 1”. Wheels may also be altered in size to allow the use of wellbase tyres (See Appendix B).
 
Wheels - Specials
 
Vintage cars and PVT Sports Cars up to 1100cc capacity may use wheels of 400mm/16" or larger. Other vintage cars must use 18" or larger wheels. PVT racing cars must use wheels of 400mm or larger. Max rim section 5½". PVT Sports Cars over 1100cc capacity must use wheels of 17" or larger unless a smaller diameter was fitted to the catalogued model in period. The catalogued model is deemed to be that of the chassis the car is built on. Post-1930 Austin 7 racing cars may use wheels of 15” diameter, rim width 4”.
 
Tyres - Special
 
15" tyres, where permitted, must not be more than 145mm or 4.5" nominal section. Tyres for Racing Cars must not be more than 7" section. Tyres for Sports Cars must not be more than 1" difference in section from the original specification. Original specification is deemed to be that of the chassis the car is built on.
 
Individual Wheel Offset
 
Standard
 
Must be to the original specification.
 
 
Modified & Special
 
Must not be more or less than ½” difference from that of the original specification plus half of any rim width change over standard. In the case of a Special, original specification is deemed to be that of the chassis the car is built on. Offset defined as a measurement taken along the wheel axis from the centre line of the wheel rim to the wheel centre inner face/edge.