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Team Z Motorsports
X275
(www.X275.net)
FORMAT:
1/8 Mile, Heads Up, .400 Pro
Tree, 32 Car Field, Sportsman
Ladder, Lane choice goes to
higher qualifier first round,
and then the faster car from
previous round.
BODY:
The car must retain its original
appearance, profiles, and
dimensions. Factory roof and
quarter panels must be used.
Aftermarket fiberglass
replacement panels are limited
to hood, front fenders, doors,
decklids, and bumpers only. All
front ends must be of factory
dimensions and cannot be
stretched. Aftermarket wings and
spoilers are permitted. Complete
stock appearing front and rear
bumpers are required. A hood
must cover the entire induction
system. Forward facing hood
scoops/ turbo or supercharger
inlets are permitted.
INTERIOR:
Factory appearing dashboard,
door panels, and driver seat is
required. Full Carpet is
required on floorboards. Factory
appearing floor pan on driver
and passenger side required.
Bare inside frame of car cannot
be exposed. Aftermarket steering
column is permitted.
WINDSHIELD/WINDOWS:
OEM glass or lexan windows are
permitted.
CHASSIS:
Complete stock chassis and frame
rails must be retained.
Back-halved cars are not
permitted. Front core support
may be modified or removed.
Aftermarket bolt-on replacement
front K-members/sub frames are
allowed (if front shocks bolt to
K-member then they must be in
factory location). Mini tubs are
allowed. Rear frame rails may be
notched for clearance. Factory
wheelbase must be maintained.
ENGINE:
Maximum displacement for all
engines is 588ci. Small blocks
are allowed any deck height. GM
Big Blocks are limited to a 10.2
deck height. Ford Big Blocks are
limited to a 10.3 deck height.
Mopar Big Blocks are limited to
a 10.7 deck height.
TURBOCHARGERS
Single turbocharger limited to
88 mm maximum. (GT55-88, Pro-Mod
88, ET-R88 or = mid/large frame
turbo). Turbocharger size will
be verified by measuring the
housing bore at the leading edge
of the impeller wheel and must
maintain the contour of the
compressor housing. Inducer
dimensions will not exceed 3.462
inches and Exducer dimensions
will not exceed 4.765 inches on
MID FRAME turbos. Inducer
dimensions will not exceed 3.462
inches and Exducer dimensions
will not exceed 5.56 inches on
LARGE FRAME turbos. The maximum
diameter of the housing bore at
the leading edge of the wheel
may not exceed 2 mm more than
the maximum allowable
turbocharger size permitted
and may not have any additional
holes that allow air to enter
the turbocharger. Inserts or
reducers to achieve inlet or
outlet dimensions prohibited.
Any type of air to air or water
to air intercooler permitted.
Turbochargers w/nitrous oxide
are prohibited except on
2-rotor, 4 cylinder, and inline
6 cylinder engines..
SUPERCHARGERS:
Cog or gear driven superchargers
are permitted, must meet all
factory inlet, outlet, and
internal housing dimensions.
Inserts or reducers to achieve
inlet or outlet dimensions
prohibited. Any type intercooler
is permitted. Cannot combine
with nitrous oxide. Roots
superchargers are limited to a
10-71. Centrifugal superchargers
are permitted. Screw
superchargers are not permitted.
NITROUS OXIDE:
Small block is permitted to run
any type multi-stage nitrous
systems. Big blocks are limited
to a single stage nitrous system
(A single stage fogger is
permitted or if using a single
plate then your limited to 1
fuel solenoid, 1 nitrous
solenoid, and 1 purge solenoid,
purge must exit engine
compartment).
TRANSMISSION:
Any factory style automatic
transmission allowed. Bruno-Lenco
transmissions are prohibited.
Clutchless manual transmission
and clutch assisted manual
transmissions are permitted on
naturally aspirated combinations
only. Electric shifters or air
shifters are permitted.
INDUCTION:
Small Block combinations may run
any type induction. Big Block
combinations are limited to a
dedicated single carburetor with
cast intake.
OILING SYSTEM:
Dry sumps are permitted on all
cars.
EXHAUST:
Mufflers or inserts are required
on all cars except for turbo
cars. Exhaust may exit
underneath car or out the front
fenders but must not affect
timing or staging beams.
FUEL:
Gasoline only is permitted.
Alcohol or E-85 or other
derivatives is prohibited.
STREET EQUIPMENT:
Functional headlights,
taillights and brake lights
required. All headlights, brake
lights, marker lights, etc must
be on car and not removed for
any reason. All vehicles may be
towed back from their passes.
SUSPENSION:
Stock style suspension cars only
(See weights below for penalty
for aftermarket suspension).
Four links are prohibited on all
cars. Aftermarket direct
replacement components such as:
front control arms, rear control
arms, front coil over shocks,
and rear coil over shocks are
permitted. Aftermarket rack and
pinion steering allowed. Rear
leaf springs, springs, shocks,
and coil-overs may be moved to
accommodate tire clearance, and
do not need to be mounted in
stock location. Bolt-on or
welded sub-frame connectors,
rear sway bars, are permitted on
all cars. Wheelie bars are
prohibited on all cars. Torque
arms are only permitted on cars
that were originally equipped
from factory with it. Upper
and Lower control arms must be
mounted in the factory chassis
locations -S Box permitted
TIRES:
All cars with power adder must
compete on a Drag Radial type
tire with the following sidewall
designation 275/60/15. Naturally
aspirated cars are permitted to
run a 28.0" x 10.5" slick, no
"W" tires permitted. Stiff wall
OK.
Minimum base Weights:
All minimum weights include the
driver.
Naturally Aspirated (small
block) 2600 lbs Naturally
Aspirated (big block with
standard deck height and
conventional head) 2900 lbs
Naturally Aspirated (big block
with tall deck height and
conventional head) 2950 lbs
Naturally Aspirated (big block
with standard height and big
chief head) 3050 lbs
Nitrous (small block) 2950 lbs
Nitrous (big block with standard
deck height and conventional
head) 3250 lbs Nitrous (big
block with tall deck height and
conventional head) 3400 lbs
Single YSI / F1A/6-71
Supercharger (small block) 3100
lbs Single F1C/8-71 Supercharger
(small block) 3200 lbs Single
F1R / Xi/10-71 Supercharger
(small block) 3300 lbs
Single 76mm T6 Turbocharger
(small block) 3000 lbs. Single
80mm T6 Turbocharger (small
block) 3100 lbs. Single 85mm T6
Turbocharger (small block) 3150
lbs. Single 88mm T6 Turbocharger
(Y2K or GT47-88 ) (small block)
3200 lbs Single 88mm T6
Turbocharger (GT55-88, Pro Mod
88 or =) (small block) 3300 lb
Single 88mm T6 Turbocharger
(Large Frame 88 3350 lbs * Large
Frame Turbo with billet wheel:
add 50 lbs
* Small Blocks with single stage
nitrous system: deduct 50 lbs *
Small Blocks (NOS only) with 23
degree Chevy heads, 20 degree
Ford heads, and 18 degree Mopar
heads: deduct 100 lbs. * Small
Block (NOS only) non-inline
valve head with more than 2
nitrous kits: add 100 lbs *
Non-Intercooled boosted cars:
deduct 50 lbs. * Aftermarket
rear suspension (Ladder bar):
add 50 lbs. * Buick/Olds/Pontiac
Nitrous combos will be 3250 and
not exceed 588 cu inches * V-6
Turbocharged/Supercharged/Nitrous
combos will deduct 200 lbs from
base weight
Rules Subject To Change |