This Page Last Updated:
Dec. 7, 2016
$1000 to Runner-up
$500 to Semis
$250 to 1/4's
2017 NITROUS X RULES
NITROUS X is a heads-up class designed for
passenger cars and trucks from a major
manufacturer weighing a minimum of 2850 pounds.
Powered by SMALL BLOCKS ONLY with a maximum cubic
inch limit of 470 cubic inches. Nitrous only - One
10/15lb. nitrous bottle only. Purge must be
redundant in-line with nitrous supply line and
with only one continuous -8 supply line from
bottle to solenoid.
All vehicles competing start min weight at 2850
All Head combinations weights are as follows
All heads 10.9 degree and/or canted - non inline
head and under will add 50 LBS
All heads 11 degree and above no weight penalty
All heads with stock valve angle but raised intake
and/or exhaust ports remove 25 LBS
All heads with stock valve angle and standard
intake and/or exhaust ports remove 50 LBS
Deduct 75 lbs. with any plate system not used
additionally with a fogger system
Deduct 75 lbs. with any 4150 based carb/ throttle
body or small SV1 and 4150 intake combo (no
adapter) MUST BE 4150 INTAKE FROM MANUFACTURER
Deduct 25 lbs. for any 4150 carb or throttle body
on 4500 series intake
Sheet metal intake add 50 lbs.
Cast tunnel ram intake add 25 lbs.
N/A Small Block 2500 any intake permitted
After Market blocks and cylinder heads allowed,
stock bore space. Single carburetor/throttle body
or sheet metal/cast tunnel ram with two 4150 carbs
(see weight add on). Motor plates and solid mounts
allowed. Engine in stock location and must not
touch firewall. Mufflers required on all vehicles
no inserts. Turbochargers and superchargers are
not allowed. Alcohol is Not allowed. Engine
diaper/retention device required.
Stock body lines must be retained. Fiberglass
limited to hood, doors, fenders, deck lid, and
bumpers unless equipped from factory with plastic
or glass panels. Cowl hood scoops allowed but must
not protrude to halfway point of windshield.
Forward facing hood scoops allowed. Lexan allowed
on front windshield, sides, and rear window, and
trucks may replace rear window with lexan to allow
for roll bar. Factory appearing grill and
headlights required. Notching rules will be final
by Tech officials. Factory floor pans required
front to rear of drivers seat and may be notched
for sub-frame connectors, fuel pump, fuel cell,
shock exit, battery mount, wheel base must be
within plus or minus one inch of factory
specifications. Patch panels permitted.
Full Interior required this includes factory type
dash, dash pad, door panels, carpet, stock or
aftermarket steering column. Front seats may be
replace with approved safety type racing seats but
must be in stock location (single seat okay). Rear
seat may be removed but all floor pan must be
covered, Dash pad may be notched for roll bar
clearance. Nitrous bottles must have approved
safety vent if mounted in passenger compartment or
trunk but not required if mounted in the bed of
truck. Tech decisions final on placement.
Front chassis and suspension
Stock front frame rails (*Smith Racecraft type sub
frame acceptable for 1st and 2nd gen Camaro/Chevy
II and other similar vehicles) and stock
suspension required. Cutting of frame rails
forward of motor plate allowed. Aftermarket
K-members control arms and bushings allowed as
long as they bolt into the stock locations and
utilize control arms when equipped. Aftermarket
manual steering gear boxes and rack and pinions
allowed. Aftermarket springs and struts allowed.
Coil over Kits allowed.
*Aftermarket bolt in sub-frame allowed. These bolt
on sub-frames must be from a manufacture with
designated company part numbers and must be
produced for the vehicle they were designed for
from the manufacturer.
This will be the method tech will use to determine
We will measure from lower corner of door jamb to
center of rear axle. From center of rear axle to
center of front spindle
3" Ride height in front of front tires based on
NHRA/IHRA rule book.
Rear Chassis suspension
Stock rear frame rails and ladder bar or stock
suspension required. Minor notching allowed Tech
decisions final. Bolt on traction aids only. No
four links allowed. Aftermarket control arms,
springs , and shocks allowed - control arms must
utilize stock mounting points on frame rails.
Relocation of shocks with coil over package
allowed. Sectioned factory tubs or Mini Tubs are
allowed Tech decision final. Aftermarket full
wheel tubs prohibited.
Stock Firewall must be retained and in factory
location. Minor notching allowed. Smoothing of
firewall allowed for appearance.
Any OEM type automatic or manual transmissions
Headlights and taillights required and must be
functional. Electric bracket racing aids optical
sensors or pneumatic throttle stop not allowed.
Any ignition allowed.
Wheels and tires
All Vehicles must race on 275 drag radial or 28 x
12.50 ET Street or 28 x 10.5 slicks (includes the
radial slick) or smaller sidewall designation No W
tires allowed. Maximum 12'' wide wheel
sponsorship decal limited to windows and rear
quarter panels Hood scoop and front bumper and
both side of wing only
Deep staging allowed. All vehicles must cross over
scales after every qualifying and elimination
All qualifying and elimination will be .400 pro
tree and placed on a pro ladder.
No wheelie bars.
Crew members must exit the starting line after
vehicle makes pass.
Rules may be revised / changed as need arises. All
tech decisions are final.
ALSO: EVENT / RACE INFORMATION