If a car wins 3 races in a single season then 100 lbs. will be added for the remainder of the season

Chassis

1.     Stock front and rear frame rails (must be in stock location)

2.     Aftermarket control arms and bushings ok as long as they bolt in stock locations.

3.     Rack and Pinion allowed

4.     All replacement parts must be in stock location

5.     No replacement part may be permanently attached to the chassis

6.     K-Members allowed (late model mustangs, Camaro's and Firebirds)

7.     K-Members must feature stock attachment locations

8.     Coil over shocks allowed.

9.     Aftermarket bolt in sub frames not allowed. Sub-frame connectors okay.

10.   Cross Members may be notched for oil pan clearance

11.   Bolt on Traction devices only, no aftermarket 4-links

12.   Suspension components must be attached to frame rails

13.   Factory or After market type anti-sway bars allowed

14.   NO Wheelie bars

15.   Engine must be in stock location with stock style mounts. MOTOR PLATES allowed but must have motor mounts in OEM position. revised 11-30-08

16.   No aftermarket wings, only OEM stock spoilers/wings.

17.   Rear shocks may be moved for tire clearance

18.   No traction compound spraying devices allowed.

19.   A single aftermarket torque arm is allowed but not in conjunction with Caltrac or Caltrac type devices. Floaters not allowed on leaf spring cars. Torque arm must not be capable of changing/altering pinion angle. Brackets can be welded in place for mounting.

20.   Aftermarket strut is allowed but must follow the following guidelines:
            Full on race strut prohibited ( ie. Lamb or equivalent type )
            Bolt in stock location with the exception of aftermarket K-Member
            Strut must be comparable to QA1 or Strange style (adjustable)
            Struts that changes caster and camber are prohibited

21.   Ladder bar suspension allowed.

Body

1.     Stock Firewall must be in stock location

2.     Unaltered floor pan. May be altered for thru the floor sub-frame connectors, etc.

3.     NO body alterations (must have front and rear bumpers

4.     Headlights, Taillights must be in working order

5.     Fiberglass Limited to Hood

6.     Forward mounted hood scoops prohibited unless OEM equipped

7.     Drilling/cutting holes in hood for air inlet prohibited

8.     Mini tubs allowed

Interior
 

1.     Two Front Seats

2.     Driver's seat must be mounted in front of the door jamb

3.     Full Interior (carpet, dash, stock door panels)

4.     No Lexan (must have factory glass and windows)

5.     Back seat not required, seat area must be carpeted. 

Tires

1.     Mickey Thompson 28x11.5x15 ET Street tire

2.      MT ET Street radial 275/60/15

3.     Also allowing other manufacture’s drag radial that do not exceed the MT ET Street Radial 275/60/15 – Tread Width cannot exceed 9.5”
 

Power Adders
 

1.     Only one power adder

2.     Only one pressurized n2o bottle in car. 15 lb. Maximum. Push systems are prohibited.

3.     Max 76 MM turbo (air to air intercooler) Measurement will be a 1/16th of an inch from the compressor wheel.

4.     NO Roots type superchargers

5.     N2O limited to a Plate type system with one n2o solenoid, one fuel solenoid and one purge solenoid. Plate can only have one nitrous entry point and one fuel entry point.

6.     Purge has to exit engine compartment.

7.     All Cars must run Gasoline (no alcohol or methanol)

8.     Progressive nitrous controllers and data recorders allowed.

9.     Maximum F1R or D1R super charger

10.   Maximum nitrous supply line is a single #6 line. 
 

Nitrous Orifice Chart

11.   Motors up to 440 C.I.  .083

12.   Motors 441 - 530 C.I. .078 

13.   Motors 531 - 575 C.I. ..078

Engines

1.     NO sheet metal intakes

2.     Single Carburetors, maximum 4150 series

3.     No SV1 Pro-Systems carbs or dAMBEST carbs

4.     Dry Sumps not allowed

5.     EFI 90 MM throttle body limit on nitrous assisted cars. 80 MM limit on turbo cars.  Horizontal throttle body limited to 4150 style. Carbs limited to 4150 style.

6.     Mid plates allowed.

7.     LS1 motors must have stock OEM LS1 heads. Carb intakes allowed. See weight section below

8.     Hybrid cars are allowed with one execption.  LSx engines can only be used in a chassis in which they were available OEM. 
 

Exhaust
 

1.     Mufflers Required

2.     NO insert or collector type mufflers

3.     Mufflers are required to extend past the mid point of the drivers section
 

Weight Breaks

**SMALL BLOCK**

1. *small block turbo - 3200#
2. *Small block base weight 3100#
3. *Up to 440" - 3100#
4. *440" + 3200#

*Heads with spread port exhaust that require 60/40 offset rockers or port intruders add 100#

*Raised runner small block heads add 100#

*LSX cars, base weight #3200 lbs with OEM valve angle heads with OEM valve angles and OEM port configuration. C5R or C5R type heads not allowed. Minimum valve angle *15."
*100# addition to LSX motors with aftermarket non OEM configuration heads."
*LSX motors only allowed in cars that came from the factory OEM equipped with LSX motors."

**BIG BLOCK**

1. *3300# base weight.
2. *up to 530" - 3300#
3. *530"-575" - 3400# revised 11-30-08
4. *No 18* Oval port BBC heads
5. *No CFE 385's or larger
6. *575 cubic inch MAXIMUM! revised 11-30-08

Heads
 

1. Billet or fabricated heads prohibited
2. Internal port areas of cylinder heads may be welded or epoxied for repairing, but heads must maintain standard "as produced" valve layout design, valve cant, and valve spacing. (no substituting canted valve for inline head, etc.).
3. Cylinder heads must retain OEM style port/valve configurations and must be a massed produced type head readily available. One-off or custom made cylinder heads prohibited. Must maintain conventional/stock style valve angles.
4. No Big Chief, Big Chief style,18* BBC, SB2 or Yates style heads allowed.
5. No 18* heads allowed except for LS1 stock valve angle heads.
6. Porting allowed.
7. Heads must have manufacturers markings visible.
   
8. If you are not sure if a particular head is allowed, contact TTT5 for clarification.

1. Small Block Ford
   • Ford OEM Windsor 289/302/351/5.0 & Cleveland 2 bbl. & 4 bbl.
   • Ford OEM 2, 3, and 4V
   • Air Flow Research 165, 185, 205, 225
   • Brodix ST 5.0, ST 5.0R, Track 1, T1, Track 1X
   • Canfield 20 Degree 197 cc, PN# 20450
   • Edelbrock Performer, PN #60329, #60359, #60279, Performer RPM, #60229, #60259, #60269
   • Edelbrock Victor Jr. #7716, CNC #7716, #61269, #61309
   • Edelbrock Victor., PN #77219, #61299, #77289, #77299, #61099, #77099
   • FRPP GT-40, GT-40P, GT-40X, GT-40Y, J302, N351, V351, Z304
   • Holley 5.0, PN# 300-573, 300-574, 300-575, 300-576, 300-577,   300-578, 300-579
   • Trick Flow Specialties “Street Heat” Head, Twisted Wedge, Std. & R, Track Heat
   • World Products Roush 180, Roush 200, Windsor Jr. & Windsor Sr.
   • Dart Pro 1 170, 195, 210, 225
   • RHS 200cc & 215cc

   Big Block Ford
   • Ford Factory OEM Iron & OEM Aluminum (2 bbl. & 4 bbl.)
   • Ford 429/460 Aftermarket Cobra Jet Cylinder Heads
   • Blue Thunder 460 “OEM Cobra Jet Style” Only. THOR & Other             Versions Prohibited.
   • Blue Thunder FE #CHFE-(LB-LBOE-SB-SBOE)
   • Trick Flow A-460 – PN# TFS-21002, 5441B001, and 5451B001
   • Edelbrock Performer RPM 460, Performer RPM 460 CJ, Victor Jr. 460
   • Edelbrock FE390-428 (Edelbrock on end) # 60059, # 60069, # 60089, # 60079
   • Edelbrock FE390-428 (NHRA on end) # 60057, # 60058, # 60087

   Small Block Chevrolet
   • Chevrolet Factory OEM Iron & OEM Aluminum, Vortec (L31)     10239906, 12558062
   • CFE BMF RR10 & RR230 Version Only – 23 Degree
   • All Pro RR-245, 23 Degree, Standard Version
   • All Pro LS1-LS6 Hurricane Heads – 15 Degree Only
   • Pontiac 867, 23 Degree, Raised Runner, Standard Version
   • Edelbrock Performer, Performer RPM, E-Tec 170cc & 200cc
   • Edelbrock Victor Jr. & Victor & CNC, 23 Degree, Standard & Raised Runner
   • Edelbrock Victor Part # 77559 23 degree Raised Runner head
   • Edelbrock/Lingenfelter LS1 Head
   • Air Flow Research 180,190,195,210,220,227cc Street, Racing & Raised Runner Head
   • Air Flow Research 180cc LT 1, 195,210,220,227CC LT4, 215CC LT4RR, 205,225 LS1
   • Brodix, RR 180, ST, (WPSY, T1, T1X, 8, 8 Pro, 10, 10X, 11, 11X, Standard & Raised Runner)
   • Dart Iron Eagle 165cc thru 230cc, Race Series 220cc, Pro 1 200cc thru 230cc
   • Canfield 23-500 – 23 Degree, 23-600 – 23 Degree
   • Trick Flow – 23 Degree
   • GMPP 23-Deg Fast Burn Heads, # 12467713, Bowtie Std & Raised #10051101, 12480034
   • World Products S/R Torquer, Sportsman II 200 cc Iron & Alum
   • World Products Motown 205 cc & 220 cc Iron & Alum
   • Pro Top Line Pro 23 Degree Iron & Alum Std & Raised Runner –215, 222, 256, 222, 256cc
   • Pro Top Line 23 Degree Pro Lightning 180, 200, 223, 228, 242, 235cc Iron & Alum

   Chevrolet Big Block
   • Chevrolet Factory OEM Iron & OEM Aluminum
   • CFE/BMF 350cc Big Block Chevrolet
   • Brodix BB-1, BB-1 OEF1, BB-2, BB-2X, BB-2 Extra, BB-2 Plus, BB-3
   • Edelbrock Victor & Victor CNC, Edelbrock Victor Jr. CNC Oval & Rect
   • Edelbrock Performer RPM 454-O, 454-O, 454-R
   • Edelbrock Victor 24-degree Rectangular Port #77419, #77409
   • Dart Pro 1 310 cc thru 355 cc, Race Series 265 cc thru 360 cc
   • Canfield Big Block Chevy 24.5-800, 24.5-900
   • GMPP Signature Series BB Heads cast # 12363401,12363391
   • Air Flow Research 265, 290, 305, 315, 325, 335, 345, 357, Oval, Rect & CNC Port
   • World Products Merlin II Oval & Rect Port 269, 320, 345, 305, 350 Iron & Alum
   • Pro Top Line Pro Thunder 320, 360 cc Alum & Iron

   Chrysler Small Block
   • Chrysler Factory OEM Iron & OEM Aluminum
   • Mopar Performance W5, W2
   • Edelbrock Performer RPM, RPM 340
   • Brodix B1-BA, B1-BA/MC
   • Bulldog Performance Chrysler B/RB Heads

   Chrysler Big Block
   • Chrysler Factory OEM Iron & OEM Aluminum (non Hemi style).
   • Brodix B1-BS (Not B1)
   • Brodix B1 (original, non-"MC" or "TS")
   • Edelbrock Performer RPM 440
   • Indy 440-1, 440-C, SR
   • Bulldog Performance Chrysler B/RB Heads

   Oldsmobile
   • Olds Factory OEM Iron & OEM Aluminum
   • Batten Small Block Olds Performance W2
   • Edelbrock Performer RPM Big Block
   • Bulldog Performance Oldsmobile Heads

   Pontiac
   • Pontiac Factory OEM Iron & OEM Aluminum
   • Edelbrock Performer RPM Big Block
   • Wenzler Series II (Not Super Chief)

   Buick
   • Buick Factory OEM Iron & OEM Aluminum
   • TA Performance Stage 1,2,3,4
   • Bulldog Performance Buick Heads

   AMC
   • AMC Factory OEM Iron & OEM Aluminum
   • Indy 401-SR