| Date |
Event |
| 15/03/2009 |
Compak Attak |
| 18-19/04/2009 |
WILLOWBANK QLD TINTOPS STAUNCH SUPPLEMENTS PROSTREET MEETING |
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Rules for this class are the same as Pro Street blown but motors must be naturally aspirated. Meaning the use of Nitrous Oxide, Superchargers or Turbo chargers are prohibited
FRAME \ CHASSIS
1.1 All vehicles must retain standard front suspension, must retain factory control arms, stock front cross member may be scalloped for sump clearance. In American
bodied vehicles (originally LHD) substitution of local front end of similar design to standard is permitted, i.e. Holden HQ-WB front end in “55-57” Chevrolet
1.2 3/4 Chassis “Back Half” type cars permitted rear suspension unlimited. Forward of the firewall must remain standard except were rules state no modifications to certain areas are allowed. Firewalls may be recessed as far as the to the beginning of the windscreen, but no further and must retain 90% factory apperance and be of 90% of the original parent material
1.3 Front suspension struts may be only replaced where aftermarketreproduction products requires no modification (eg, drilling, cutting and welding) and will bolt up to original factory intendment. If in doubt ring APSA and check for legality
1.4 One-piece removable front ends are not permitted. Bonnet and boot lid only to be
removable. Gearbox inspection tunnels, differential inspection plate and floor may also be removeable. Strictly no belly pan or doorslammer type floors allowed. Material used for floor and wheel tub fabrication must be ANDRA approved
1.5 Chassie rails in engine bays may be chambered to a cross section of 60x60mm or an area equaling to this amount to allow exhaust clearence. All material removed from chassis rails must be replaced with the same thickness material or thicker. This may also be the case for cars needing chamber strut towers in engine bays for pipe clearence. Chassis rails and strut towers may not be removed or rerouted
1.6 ChassiS connectors are permitted in use to join crossmembers, trailing arms and original works fromthe front of the chassis to the 3/4 backhalved chassis where deemed needed
1.7 Fibreglass panels are restricted to doors, bonnets, boot lids, front guards, front aprons and bump bars. Rear quarter panels and roof must be of OEM factory metal
1.8 Front and rear engine plates permitted as long as rear plate is not part of firewall or roll cage
1.9 Perspex / Lexan windows permitted to side and rear of vehicle front windscreen may also be lexan as per ANDRA specifications. Front lexan windscreen must be cut to exact mesurements as per factory glass screen. ie not cut outs for set back motors. No set back windsreens must be in original positioning
WHEELS & TYRES
2.1 Maximum rim diameter 15” Double beed lock rims are permissable
2.2 Maximum tyre width and height 33”x 17” as marked on side wall and in measurement permitted. Tyres will be measured on race days with open template. If tyres do not fit within template eg 33”x17” W, those tyres will not be permitted on the track
2.3 Front tyres must be a minimum width of 3.5”
SUPERCHARGER / TURBO CHARGERs / NITROUS OXIDE
3.1 Not Allowed
IGNITION
5.1 One distributor or magneto is permitted
TOW VEHICLES
6.1 Tow vehicles may be used from pits to staging lanes
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