Outrages 10.5
Single power adder class for nitrous,
blowers and turbos
Body and chassis:
-Fabricated front frame permitted. Subject
to 50# weight adder and vehicle
must carry 55% of vehicle base weight on front tires.
(53% if firewall has not been modified to facilitate large amounts of engine
setback and
vehicles with fabricated front frame are not eligible for
any weight breaks).
-Lexan/plexiglass window replacements
permitted.
-Functional headlights and tail lights are
required and must be in stock
location. If vehicle is equipped with factory recessed headlights, fog
lights
in bumper or grill are allowed.
-Light weight body panels allowed.
-Any type hood scoop allowed.
-Rear wing permitted. No molding of spill
plates to quarters.
-Body must appear stock. Body modifications
must receive prior approval
from USCN tech official
-Must retain stock wheelbase with a maximum variation from front to back of
2 inches
-No old pro stock cars
Exhaust:
-Mufflers required. NO insert style mufflers
allowed.
Tires:
-Maximum rear tire size 33x10.5W as
designated.
-Maximum tire tread width, regardless of
temperature or wear, not to exceed
11.5” Maximum roll out (blower and turbo combos only) of 105”, regardless
of temperature or wear, as measured with vehicle off of the ground at 8
lbs
of air pressure. Manufacturer, model and size information must be clearly
designated
-Entries using 31x10.5W or smaller tire
receive 100# weight break
-Maximum inlet diameter for twin turbo
entries 88mm each.
-Pre/inter/after coolers of any sort
prohibited on alcohol burning entries.
-NO screw type blowers.
Vehicle will never race under the minimum
weight regardless of weight breaks.
Transmission:
-Any type transmission permitted
Safety:
-Engine Diaper Mandatory. Non SFI units OK.
-Fire System Mandatory
-HANS device mandatory
Fuel:
-Gasoline or alcohol only
Base Weights:
|
POWER ADDER |
Engine Base CI |
Weight |
|
Naturally Aspirated |
SB/BB |
650 |
2,400 |
|
Naturally Aspirated |
SB/BB |
740 |
2,500 |
|
Naturally Aspirated |
SB/BB |
830 |
2,600 |
|
Nitrous |
SB |
525 |
2,400 |
|
Nitrous |
BB |
500 |
2,500 |
|
Nitrous |
BB |
550 |
2,550 |
|
Nitrous |
BB |
600 |
2,600 |
|
Nitrous |
BB |
650 |
2,650 |
|
Nitrous |
BB |
700 |
2,750 |
|
Nitrous |
BB |
740 |
2,850 |
|
Nitrous |
BB |
800 |
2,900 |
|
Nitrous |
BB |
850 |
3,000 |
|
Single Turbo/cent blower or 10/71 |
all |
450 |
2,850 |
|
Single Turbo/cent blower or 10/71 |
all |
550 |
2,950 |
|
Twin Turbo (88) |
all |
450 |
3,075 |
|
Twin Turbo (88) |
all |
560 |
3,150 |
|
Roots Supercharged [max 20% OD] |
all |
500 |
3,100 |
|
Roots Supercharged [max 20% OD] |
all |
530 |
3,150 |
|
Maximum cubic inches for all nitrous and
n/a combinations - 830 CI
Maximum cubic inches for all turbo and
centrifugal supercharged combinations -
560 CI
Maximum cubic inches for all roots
supercharged combinations - 530 CI |
Weight Adders:
Clutch-equipped transmissions add 100 lbs
unless SB or N/A Combo
Turbo alcohol combos add 50 lbs
Not having fun add 500 lbs
Race Format:
-.400 Pro tree start with a professional
ladder
If you are building a race car and you are
unclear about rules concerning your class,
please contact us.
The USCN reserves the right to impose
penalties for rule infractions and on items
which do not represent the intent of the
class entered.
Safety Equipment
All race cars entering competition must have
the required NHRA/IHRA safety equipment.
All racers competing in professional
categories must have a valid competition license.
All racers must present valid competition
licenses at tech. Licensing will not be
available during this race.
The USCN reserves the right to amend rules
to provide a better and more competitive
race. Penalties may be imposed for rule
infractions that do not represent the intent
of the class. Please contact USCN Tech
at 586 557 4552 for clarification regarding
race rules.
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