Posted by John Sears
on 10/17/2009, 11:41 pm
173.122.114.106
RULES FOR THE ORTC 23-25
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I AM THE REAL STREET TECH OFFICIAL THAT HAS BEEN HIRED AND WILL BE @ BRADENTON (ORTC-SNOW BIRDS-US NATIONALS) SGMP(BOOST vs NO BOOST and THE NIGHT THE LIGHTS WENT OUT) & SUNSHINE FROM THIS POINT ON. I WILL BE ENFORCING ALL THE RULES IN PLACE. THAT BEING SAID HERE ARE THE RULES FOR THE ORTC 23-25:
ORTC
(Vehicle Minimum Weights)
· SB N/A 23 - 20 degree 2600
· SB N/A: less than 20 degree 2800
· SB Nitrous, Turbo, or Blower 23 -20 valve angle: 3000 and less than 20 degree valve angle : 3100
· Canted Valve SB and BB N/A: 3000
· ** SB Power Adder limited to Inline Valve Heads/Cast Intake
· ** Any BB Combos limited to Conventional Style Heads/Cast Intake
· ** Cleveland Style Heads must be used on Cleveland Block
· ** Factory Buick, Olds, Pontiac Nitrous BB 3250
Big block (Chevy, Ford, Mopar) can use single stage/spray bar plate with 1 single NOS brand power shot or equal sized peanut nitrous solenoid. Any fuel solenoid is allowed. Weight is 3400#, any 275 drag radial, and conventional cylinder heads only.
.073 nitrous jet ONLY and subject to inspection at anytime.
BOP combos can use single stage/spray plate with 1 single NOS brand cheater or equal sized nitrous solenoid. Any fuel solenoid is allowed. Weight is 3250#, any 275 drag radial, and any cylinder head.
.082 nitrous jet ONLY and subject to inspection at anytime.
(Nitrous Specifications)
· Single Stage/Plate system only with a maximum of one nitrous, one fuel, and one purge solenoid. Each solenoid is permitted a single orifice. Plate systems limited to 1 nitrous spray bar and one fuel spray bar, purge must exit engine compartment. Plate must not be permanent part of the intake or use fogger nozzles. 3100 lb nitrous combos limited to a single .082 nitrous jet and subject to inspection at anytime.
· Progressive systems permitted and are allowed one additional solenoid for progressive operation only, must be inline. EFI systems are required to use a single nitrous nozzle which injects nitrous oxide into the engine prior to the throttle blade.
· Fogger Systems or (2) Stage NOS Prohibited. These systems must be removed or disconnected/capped prior to and during the race. Failure to do so will result in DQ.
· Cross Bar Plate permitted with 1 nitrous spray bar & 1 fuel spray bar eliminated or capped off.
*Carb/Throttle body inlet air source must originate from within the engine bay.
(Blower Specifications)
· Vortech: YSI, T-Trim, S-Trim – or any model of lesser rating
· ProCharger: F1, or F1A(Non “R”), D1/D1SC - or any model of lesser rating
· Reverse rotation /forward facing blowers permitted on Ford Modular/LSI applications only. *Blower inlet air source must originate from within the engine bay.
(Turbo Specifications)
· Maximum size of 76MM Small Frame. Boost Controllers Permitted
· Exposed Forward facing Turbo prohibited. *Turbo inlet air source must originate from within the engine bay.
* No ducted or ram air permitted on power adder combos, fwd facing hood scoops allowed on N/A Combos only.
(Tire Specifications – Listed Sizes/Models Only)
· P275/60/50/45 M/T, BFG, HOOSIER, Nitto or Goodyear Radial Only 100lb break for BFG
(Rear Suspension – Stock Type Only w/Coil Over Okay)
· Split Mono or Multi Leaf permitted - NO Half Leaf/Coil Over
· Factory Length Torque Arm on 3rd/4th Generation F-body and GNX permitted
· Rear Control arm mounting points + or - 1 inch
· Slapper Bars/Cal Trac/Smith Trax/Slide-a-Links permitted
· Mini Tubs/Tubs permitted
· Shocks must be stand alone and may not be adjustable or monitored during run via electronic and/or other means. Electronic programmable shocks prohibited.
(Front suspension – Stock Type w/Coil Over Okay)
· After market K member/sub frame okay
· Use of spindle mount wheels permitted
(General Specifications)
· Mufflers required on all combinations; must be under car near trans cross member
· Lexan Permitted. Fiberglass Allowed: Hood, Rear Deck Lid, Doors, FR/RR Bumpers
· Carbon fiber panels limited to hood only
· Factory Style Dash/Interior
· No Wheelie Bars
· N/A combos are prohibited from using any type of Power Adder.
· Each event winner must immediately pass a vehicle review/tech/weight check prior to returning to the pits and before receiving the event purse
I WILL BE ALLOWING MOUNTING POINTS TO BE + OR - 1" FROM THE FACTORY LOCATIONS. IF YOU HAVE MULTIPLE MOUNTING POINTS ON YOUR CHASSIS OR YOUR REAREND MAKE SURE YOU ARE MOUNTED WITH IN THE RULES. EXAMPLE: IF YOU HAVE ADJUSTABLE CONTROL ARM BRACKETS ON YOUR REAREND HOUSING YOUR CONTROL ARMS MUST MOUNT IN THE HOLE CLOSEST TO THE HOUSING.
LASTLY--- PLEASE KEEP THE SPIRIT OF THIS CLASS AND ITS INTENTIONS IN MIND. DO NOT COME OUT WITHOUT FACTORY STYLE SUSPENSION BECAUSE YOU WILL NOT BE ABLE TO RACE IN REAL STREET. EXAMPLE: TORQUE ARM ON A MUSTANG.
THANKS AND HOPE TO SEE AND MEET YOU ALL @ BRADENTON NEXT WEEKEND.
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