|
MIR is equipped with a
P&G Meter (to check
cubic inch
displacement), Digital
Borescope with LCD
screen (to examine
internal engine parts),
Digital Calipers and
Dial Calipers. The World
Cup Finals event is also
staffed with Chevy,
Ford, Mopar, Honda,
Toyota, Mitsubishi,
Mazda, Nissan and VW
experts and technicians
to enforce all class
rules. |
|
2009 Street Fighter
Rules
Race Format:
Quick 16 field, Pro
ladder, Heads-up, Pro
tree, No breakout. 1/4
mile Drag Racing.
Body:
Any year domestic or
import body. Aftermarket body parts
are limited to hoods,
trunks lids, sunroofs,
wings, ground effects,
bumpers, and front
fenders only. One-piece
front ends are not
permitted. All other
body parts must be
stock. No body parts may
be removed during
competition.
Chassis:
Complete
stock chassis and frame
rails must be
retained. Frames may be
notched for
clearance. Mini Tubs are
permitted. 4-cylinder
cars may be back halved.
Suspension:
Stock
style suspension cars
only allowed. Four links
and ladder bars are
prohibited. Weld on
sub-frame connectors and
rear sway bars are
permitted. Torque Arms
are permitted on all
cars even if it wasn't
originally equipped.
Coil Overs are
permitted. Leaf Springs
and shocks may be moved
to accommodate tire
clearance. 4-cylinder
cars may have any type
suspension. Wheelie bars
are prohibited on all
cars.
Street Equipment:
Lexan windows are
permitted. Interior is
not required.
Exhaust:
Muffler(s) required
unless
turbocharged.
Electronics:
Two-steps, aftermarket
ECU’s, and engine
management systems are
allowed.
Driveline:
Aftermarket axles, gear
ratios, spools, and
positive traction
differentials are
permitted. IRS cars may
convert to straight
axles only if it is a
direct bolt in. Aftermarket
axles, gear ratios,
spools, and positive
traction differentials
are permitted.
Turbocharger:
Turbochargers are
measured at the inducer
wheel diameter at the
point where the leading
edge of the compressor
wheel meets the inlet
housing.
Nitrous Oxide:
On cars that are not
permitted to use nitrous
oxide, all nitrous
bottles,
nitrous/fuel/purge
solenoids must be
removed off car
entirely.
Transmission:
Any auto
or manual transmission
allowed.
Fuel:
Gasoline only permitted.
Aftermarket fuel cells
are permitted.
Tires (FWD cars):
Any size DOT radial tire
permitted. Maximum size
DOT Bias Ply or Slick is
28.0” x 10.5”.
Tires (RWD cars):
Any size DOT radial tire
permitted. Maximum size
DOT Bias Ply or Slick is
30.0” x 11.5W”.
Tires (AWD cars):
Any size DOT radial tire
permitted. Maximum size
DOT Bias Ply or Slick is
28.0” x 10.5”.
|
2-rotor cars: |
|
Engine: OEM
block from same
manufacturer as
car is required.
Block may be
swapped between
different models
of same
manufacturer.
Aftermarket
blocks are
prohibited. |
|
Induction:
Engine must be
EFI. Any style
intake is
permitted. |
|
Turbocharger:
Any size single
or twin
turbochargers
are permitted. Any type
intercooler
permitted. May
combine with
Nitrous. |
|
Minimum Weight:
None |
|
4-cylinder cars: |
|
Engine: OEM
block from same
manufacturer as
car is required.
Block may be
swapped between
different models
of same
manufacturer.
Aftermarket
blocks are
prohibited. |
|
Induction:
Carburetors or
EFI is
permitted. Any
style intake is
permitted. |
|
Turbocharger:
Any size single
turbocharger
permitted. Any type
intercooler
permitted. May
combine with
Nitrous. |
|
Minimum Weight:
None |
|
6-cylinder cars: |
|
Engine: OEM
block from same
manufacturer as
car is required.
Block may be
swapped between
different models
of same
manufacturer.
Aftermarket
blocks are
prohibited. |
|
Induction:
Engine must be
EFI. Any style
intake is
permitted. |
|
Turbocharger:
Any size single
or twin
turbochargers
are permitted. Any type
intercooler
permitted. May
combine with
Nitrous. |
Minimum Weight:
(FWD cars) None
Minimum Weight:
(RWD & AWD cars)
2900 lbs. |
|
8-cylinder cars: |
|
Engine: Small
block engines
only permitted. |
|
Induction:
Carburetors or
EFI is
permitted. Any
style intake is
permitted. |
|
Turbocharger:
Limited to 88mm
single
turbocharger.
Any type
intercooler
permitted.
Cannot combine
with Nitrous. |
|
Supercharger:
F1, X trim, or
XX trim
superchargers
or smaller
permitted.
Any type
intercooler
permitted.
Serpentine or
cog belts
permitted. May
combine with
Nitrous if less
than 331ci. |
|
Nitrous Oxide:
Any style
nitrous system. |
Minimum Weight:
Nitrous Small
Block 2800
lbs.
Minimum Weight:
Serpentine belt
superchargers
2800
lbs.
Minimum Weight:
F1, X trim, or
XX trim
superchargers
2900
lbs.
Minimum Weight:
85mm
turbocharger 3200
lbs.
Minimum Weight:
88mm
turbocharger 3400
lbs. |
|
10-cylinder
cars: |
|
Engine: OEM
block from same
manufacturer as
car is required.
Block must have
been available
for year, make,
and model of car
sold in USA.
Aftermarket
blocks are
prohibited. |
|
Induction:
Engine must be
EFI. OEM stock
intakes only. |
|
Turbocharger:
Any size single
or twin
turbochargers
are permitted on
manual
transmission
cars only. Any type
intercooler
permitted. May
combine with
Nitrous.
Turbochargers
are prohibited
on automatic
cars. |
|
Supercharger:
Superchargers
are permitted
and must run off
a serpentine
belt. Air to air
intercoolers
only. |
|
Nitrous Oxide:
Any style
nitrous system. |
|
Minimum Weight:
3500 lbs. |
|