Posted by ORTC - UORS on 10/19/2009, 10:09 pm
71.101.5.168
RULES
UORS-ORTC 10,000.00 to win
TRZ ULTIMATE STREET THE NIGHT THE LIGHTS WENT OUT IN GEORGIA These rules are for FEB. 26-27 2010 @ SGMP
Any non-performance or non-safety infraction will have a 1 race waiver
Class Description
Ultimate Street is a heads-up class designed for any passenger vehicle from any major manufacturer. Ultimate street cars may be powered by small blocks only and are limited to a maximum cubic inch limit of 440 cubic inches. Power adders are limited to UORS/ORTC approved turbos, superchargers, and single nitrous plate systems utilizing one nitrous solenoid, one fuel solenoid and one purge solenoid ONLY. No alcohol or nitro methane allowed. Purge must be redundant in-line with nitrous supply line with only one supply line.
Body
Fiberglass / Carbon body panels are limited to hood, rear deck lid, and bumpers. Cowl hoods may not be taller than the half-way point of the windshield. Forward facing hood scoops are prohibited unless equipped from the factory, in which case the factory hood and factory scoop must be utilized. Factory front and rear spoilers & wings are allowed. No full fiberglass / carbon bodies allowed unless equipped from the factory. Stock firewall must be retained in the stock location. Firewall may be notched for clearance and/or smoothed for appearance. All entries must have operational headlights and taillights. All cars must retain the stock grill. Full factory floor pans are required but may be notched for roll bars, sub frames, etc. Stock core support and inner fender wells are required but may be notched for clearance.
Interior
Aftermarket steering columns are allowed. The rear seat may be removed but area must be upholstered. Dash may be notched for roll bar clearance. Nitrous bottles are allowed in the passenger area but must be properly vented to the outside of the car. Bottle must be securely mounted using proper bottle mounts.
Electrical
Optical devices are prohibited. All entries must have operational headlights and taillights. All cars must have NHRA approved master shut-off switch on the rear of the car. Switch must be labelled “Push Off”.
Engine
After Market blocks and cylinder heads are allowed. Sheet metal intakes are prohibited. Intakes must be cast. Entries may utilize a single carburetor only. Motor plates and solid mounts are allowed. Engine must be in the stock location. Mufflers are required on all vehicles. Entries must utilize a single nitrous plate with one Nitrous, one Fuel, and one Redundant Purge solenoid. Foggers but must disconnected and ALL solenoids must be capped off. Nitrous plates using fogger nozzles are not allowed. All Ultimate street entries are required to use an engine diaper. Billet or canted valve heads may not be used in conjunction with a turbo or supercharged combo. All engines are limited to 440 cubic inches. Any engine in question will be measured with a P&G gauge. A correction factor of 1.5% will be used. Competitors may be asked to remove a cylinder head for bore & stroke measurements should any discrepancies arise.
Power Adders
Nitrous - Progressive nitrous controllers are allowed. All progressive equipped entries are required to utilize a maximum 275 DOT Approved Radial and must use a single spray bar plate only. Slick tire entries may use a cross bar plate but no progressive. Any progressive equipped car using a crossbar style plate must have one nitrous and one fuel spray bar capped off at the plate.
Turbo – Inducer and inlet size is limited to 80mm, exducer size is limited to 120mm. Compressor wheels may not be stepped, milled, profiled, cut, or otherwise altered in any way for the first half inch from the tip of the compressor wheel. Inlet size will be checked with a go/no go gauge. However, the UORS/ORTC Tech department reserves the right to remove the compressor cover at any time in order to measure the wheel diameters. A maximum 275 DOT approved radial only may be used in conjunction with a turbocharged combo.
Superchargers – Prochargers limited to F1-C. Vortech's limited to YSI. Inducer and exducer sizes must not exceed sizes listed on the manufacturer’s supercharger specification sheets. A maximum 275 DOT approved radial only may be used in conjunction with a supercharged combo.
Transmission
Any OEM style automatic or OEM manual transmission is allowed. Manual transmission must utilize an SFI approved bell-housing.
Rear Suspension
Stock type rear suspension only. Stock rear frame rails must remain intact. Minor notching of frame rails is allowed for tire clearance. Bolt on traction devices only. Coil over shocks are allowed. Aftermarket, factory length torque arms are allowed if equipped from the factory. Aftermarket replacement control arms are allowed. Rear control arm mounting points must remain in stock location on the stock frame rail and the rear end. All mounting points must use single mounting hole. If using s-boxes or any other adjustable bracket holes the holes will be sealed by UORS/ORTC and no adjustments will be permitted during race weekend. Any racer caught moving rear bars or tampering will be disqualified.
Wheels / Tires
A maximum of a 28 x 10.5 Non-W slick or 275 Radial may be used. Wheel width is limited to 12”.
Weights
Base Weight – 3200 lbs.
All heads 14.9 and under – 3250 lbs.
Any canted valve head – 3300 lbs.
All heads 15 degrees and above carry no additional weight.
Any 23 Degree combo - 3100 lbs.
Turbo / Supercharger with intercooler – 3250 lbs.
Turbo / Supercharger without intercooler – 3150 lbs.
Sponsorship Decals & Lettering
Decals and lettering is restricted to windows, quarter panel’s front bumper and front hood scoop. All cars are required to have identifying number posted on front and rear windows.
Safety
All TRZ Ultimate Street entries must utilize a lower engine restraint / engine diaper. Driveshaft loop required. Fuel cells must be grounded to chassis. Drivers are required to wear SFI approved pants, jacket, shoes, neck brace, and gloves with a minimum rating of 3-2A/5. SFI window net is required
Message Thread:
« Back to thread