Picture courtesy of TRS Photos

2010 Drag Radial Class
 

GENERAL OVERVIEW
• The Naturally Aspirated Shoot-out is a class designed for naturally aspirated cars
  and trucks racing in a heads up format in an all run field.
• All make and models are allowed, small block and big block power plants.
• Vehicles are required to be stock appearing and stock bodied and must pass
  NHRA/IHRA safety inspection for ET and speed.
• Drag Radial will compete on a .400 Pro tree. A Pro ladder will determine running
  order. Points will be awarded at end of event to be compiled for end of year
  points fund. Records will be awarded to holder at end of each event.

ENGINE
• All engines are allowed and engine swapping is allowed during the event.
• Aftermarket aluminum or steel blocks allowed.
• Cubic inch’s will be verified by P&G method.
• Mufflers are mandatory and collector mufflers will be allowed, 3 inch maximum
  diameter measured at exhaust exit.
• Gasoline is the only fuel allowed.
• Cylinder heads limited to oem or oem style aftermarket heads, cast iron or
  aluminum, standard port location and valve angle for all types. i.e: no raised
  runner or spread port intake or exhaust. **See Approved Head Listing**
• Racer must verify legal part # head during inspection to be deemed legal. Any
  modifications allowed to legal heads.
• Dry Sump oiling systems prohibited. Vacuum pumps allowed.

BALLAST
• Must be NHRA/IHRA approved mounting and be maximum 100# per individual
  weight bar and be bolted or welded securely in car.
• Two ½” bolts per 100#’s.
• No loose or unsecured ballast allowed.

CARBURETORS/INDUCTION
• Any carburetor(s) allowed with penalties attached to multiple carburetor
  systems.
• Cast intake manifolds only.
• EFI allowed

TRANSMISSION
• Any automatic or oem style manual transmissions allowed with weight added to
  sticks. NO clutchless allowed. The use of a clutch between shifts is a MUST.
• Any converter OK
• NO AUTOMATIC SHIFTERS! All shifts must be made manually by driver.

SUSPENSION
• Stock rear frame rails and stock suspension only. The use of bolt on suspension
  devices only. Coil-overs OK.
• Front frame rails must be stock and in stock location. Aftermarket K-members
  allowed.
• Mini tubs and notched frame rails allowed.
• Rack and Pinion conversion for the front suspension is allowed.
• Wheelie bars are permitted

INTERIOR
• OEM dash and door panels are preferred and interior carpeted, intentions to
  have OEM appearance.
• Two seats are preferred in stock location.

HOOD AND SCOOP
• Forward facing scoops limited to 5” measured from flat of hood to top of
  opening. Scoops measuring above 5” must run plugged.
• Cowl induction hoods can be any size.
• Fiberglass body pieces must bolt on or pin on, no one piece front ends.

ELECTRICAL
• Two step, trans brakes and line locks are OK.
• Functional headlights preferred as well as taillights, running lights and horn.
• Data Acquisition systems allowed

TIRES
The maximum allowed tire size is 275/60
• Tires must be of D.O.T. radial design

WEIGHTS
• 300/2575, 325/2725, 350/2875, 375/3025, 400/3175, 425/3275, 450/3375,
  475/3450, 500/3525, 525/3575, 550/3625
• Weight scale is 6lbs/per cube [300-399], 4lbs/per cube [400-449], 3 lbs/per
  cube [450-499], 2lbs per cube over 500
• 2 carbs add 50lbs (4150 only). Sticks add 50lbs. BOA engines subtract 50lbs.
  Subtract 50lbs for Station Wagon and Pick up trucks
• Subtract 25lbs for no wheelie bars, subtract 50lbs for P/G, subtract 25 lbs for
  4150 carb.

STARTING LINE CONDUCT
• Courtesy Staging will be in effect at all races. This means that no car can enter
  the second staging light until both cars have entered the first pre-stage light.
• Towing will be allowed to the staging lanes and from the scales.

SPECIAL NOTES
•PLEASE NOTE-Because of the limited car count in this class, we will be evaluating
  the rules per race to make sure paridy is kept to keep the competition fair within
  the group of existing racers. Changes WILL be made to keep this class alive and
  viable.
• No N02 equipment will be allowed on the car, all plates, plumbing, solenoids,
  lines, nozzles, bottles, etc. must be removed from the vehicle. Only exception to
  the rule will be for first time racers, they will receive a one race waiver to
  compete, but the system will be thoroughly inspected and sealed to show its
  disconnected
*******All rules will be evaluated periodically for parity and will be adjusted accordingly*******


APPROVED HEADS LIST
AMC
-Any oem
Indy
- 401SR
SBC
AFR
- 180cc SBC Street Head
- 195cc SBC Street Head
- 195cc SBC Eliminator
- 210cc SBC Racing Head
- 210cc SBC SPEC Head
- 220cc SBC Racing Head
- 227cc SBC Racing Head
- 180cc LT1 SBC Street
- 195cc LT4 SBC Street
- 210cc LT4 SBC Racing
- 220cc LT4 SBC Racing
- 227cc LT4 SBC Racing
- 165cc Emission Legal
- 165cc Non-Emission Legal
- 185cc Emission Legal
- 185cc Non-Emission Legal
- 205cc Mongoose Street LS1
- 225cc Mongoose Strip LS1
ALLPRO
- AP220S
- SS23
- 305-23
Brodix
- sbc oval port Head Hunter
- -8 PRO,-8,-10,-11, 11stdX, no ri or sp
- RR180 200
- Track1,1X
- IK,JJ 180, 200, 210
Canfield
- 23-500, 600
DART
- Iron eagle 180-230
- Pro 1 180-230
Edelbrock
- Performer and RPM series
- Victor Jr.
GM
- Any offered on prod. engines
- 292 Turbo
- Bowtie,II, vortec, vortec bowtie, fastburn, LT1, LT4, LS1 LS6
Holley
- SBC
Patriot Performance
- SBC Freedom Series
Protopline, RHS
- 23 degree Pro aluminum Lightning
- Iron Lightning, Pro Lightning, Torquer
PROCOMP
-sbc, LS1
PROFILER
- 176 series sbc
Trick Flow
- R series 215
- KD Series
- LT1
World
- Motown
- S/R, Torquer
- Sportsman
- Motown Lite
BBC
Brodix
- RRBB-O
- RRBB-R
- RRBB-2plus
- JJ 270, 294
Edelbrock
- Performer and RPM series, to include the new Extreme head
GM
- Any offered on prod. engines
- ZZ502,ZZ572
- 074, 077, L-88 alum.
HOLLEY
-BBC
PROCOMP
-320cc
SBF
AFR
- 165cc Emission Legal
- 165cc Non-Emission Legal
- 185cc Emission Legal
- 185cc Non-Emission Legal
- 205cc SBF Race Head
- 225cc SBF Race Head
Brodix
- Track1,1X
- ST5.0, R
Canfield
-SBF
DART
- Pro 1
Edelbrock
- Performer and RPM series
- Victor Jr.
Ford
- Any offered on prod. engines
- GT-40, X, Y
Holley
-SBF
Patriot Performance
- SBF
PROCOMP
- SBF
Protopline, RHS
- Iron, alum. Cyclone, Pro Cyclone
Trick Flow
- Twisted wedge, track heat
World
- Windsor, Alum., Roush
BBF
Edelbrock
- Performer and RPM series
Ford
-Any offered on prod. engines
PROCOMP
-bbf
SBM
Brodix
- B1BA
Edelbrock
- Performer and RPM series
Indy
- 360-1
- 360-2
Mopar
- Any offered on prod. Engines
- W2
- P4876785
- P5007950
- P4876310
BBM
Brodix
- B1BS
Edelbrock
- Performer and RPM series
Indy
- EZ
Mopar
- Any offered on prod. Engines
- P4529993
- P5007494
- P5249824
- P4876311
- P4876855 Hemi
- P5153875 Hemi
PROCOMP
-440 head
Pontiac
- Any offered on prod. Engines exc. RA V
Edelbrock
-Performer and RPM series
KRE
-D Port
Wenzler
- Wenzler 2
Oldsmobile
- Any offered on prod. Engines
Bulldog
- sb/bb street/strip/race
Edelbrock
- Performer and RPM series
Buick
- Any offered on prod. Engines
Edelbrock
- Performer and RPM series
T/A
- T/A Street Elim. Stage 1