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Picture courtesy of TRS Photos
GENERAL
OVERVIEW
The Naturally
Aspirated Shoot-out is a class designed for naturally aspirated cars
and trucks racing in a heads up format with an all run field
All make and models are allowed as well as 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.
Aftermarket aluminum or steel blocks allowed.
Cubic inchs 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 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 with weight adder
TRANSMISSION
Any automatic or oem style manual transmissions allowed with weight added to
sticks. NO clutchless or pro shifted units allowed.
The use of a clutch between shifts is a MUST.
Any converter OK but ALL SHIFTS must occur manually by the driver.
NO AUTOMATIC SHIFTERS!
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 locs 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
300/2700,
325/2825, 350/2950, 375/3075, 400/3175, 425/3275, 450/3375,
475/3450, 500/3525, 525/3600, 550/3675
Weight scale will continue up and down with same increments.
5lbs/per cube below 375, 4lbs/per cube below 450, 3 lbs/per cube above 450
2 carbs add 50 lbs (4150 only). Sticks add 50lbs. EFI add 50 lbs. BOPA engines
subtract 50lbs.
Subtract 50 lbs for no wheelie bars
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
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
- AP220
- SS23
- 305-23
Brodix
- -8 PRO,-8,-10,-11 no ri or sp
- RR180 200
- Track1,1X
- IK200
Canfield
- 23-500
- 23-600
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, LS7
Holley
- SBC
Protopline
- 23 degree Pro aluminum Lightning
- Iron Lightning, Pro Lightning, Torquer
Trick Flow
- R series 215
- KD Series
- LT1
World
- Motown
- S/R, Torquer
- Sportsman
- Motown Lite
BBC
Brodix
- RRBB-O
- RRBB-R
Edelbrock
- Performer and RPM series
GM
- Any offered on prod. engines
- ZZ502,ZZ572
- 074, 077, L-88 alum.
Holley
- BBC
PROCOMP
- 320
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
- ST5.0R
DART
- Pro 1
Edelbrock
- Performer and RPM series
- Victor Jr.
Ford
- Any offered on prod. engines
- GT-40, X, Y
Holley
- SBF
Protopline
- 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
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
Pontiac
- Any offered on prod. Engines exc. RA V
Edelbrock
- Performer and RPM series
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
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