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2009 XTREEME DRAG
RADIAL / TRUE TEN-5

2007 &
2008
Winner Roger Holder Jr.
XTREEME
DRAG RADIAL
/ TRUE TEN-5 is
a heads-up class for all
types of vehicles. Rear
suspension may utilize
ladder bar or four-links (no
full tube chassis).
Legal combinations include
the use of nitrous oxide,
supercharger, turbocharger
and
naturally
aspiration at
different weight breaks for
parity. All entries must
compete
on a 12
inch wide Radial Tire or a
29.5x10.5 Slick
Class Guidelines:
Extreme
Drag Radial/TT-5 will run on a 1/4 mile format with a 32-car qualified field.
BODY
& PANELS:
The car must retain its original appearance and profiles. Aftermarket fiberglass
and Carbon Fiber replacement panels are limited to hood, front fenders, doors, deck lid and bumpers. One piece front ends are permitted, but must retain
functioning head lights, stock
appearing grille and bumper (if originally
equipped).
FIREWALL:
Must retain in original factory
location, and be constructed out of
sheet-metal. Notching of factory
firewall for valve cover clearance
is allowed. Firewalls
that are moved from the factory
location will receive a 50lb weight
penalty..
INTERIOR:
Dash board must be
factory appearing and in stock location.
BRACKET RACING AIDS:
The use of bracket racing aids such as optical sensors, delay boxes, stutter boxes, and throttle stops are not allowed.
CHASSIS / SUSPENSION
FRONT
SUBFRAME:
All sub framed or full framed cars must retain complete stock front subframe from firewall forward. Frame connectors or rear frame rails may not pass engine firewall, except for the following exceptions. The 62-67 Chevy II's and 64 1/2-68 Mustangs and similar cars with bolt-on front K-members, must retain stock or aftermarket bolt-on front subframe. The subframe must be a bolt on (not welded, unless kit is OK by SCSN officials) to factory mounting location. Frame connectors or rear frame rails may pass firewall location, but not exceed where original front subframe mounts to the body. All late model Mustangs must retain factory front subframe from firewall forward. Stock or direct fit aftermarket K-members are permitted, but must be bolted in factory location using factory bolt holes. Cross members on all front sub frames may be altered or removed for oil pan clearance.
FRONT SUSPENSION:
All cars must retain stock
suspension, aftermarket tubular
control arms, coil over kits, or OEM
front strut retrofits are permitted.
Replacement Bolt-on Lightweight
K-Members are legal, but must be a
direct bolt on, no welding
modifications permitted. Stock
wheelbase will be enforced on all
vehicles. You can weld tubes
from your roll cage to the front
suspension..
**The only front suspension bolt-on
kit deemed legal by the PSCA are the
CHRIS ALSTON, AJE, HEIDTS,
Smith Racecraft and *FATMAN
bolt-on kits (for 62-67 Nova's,
67-69 Camaro's & early Mustangs)
Total Control Products Coil
Over Conversion Kits, and The Rod
& Custom Motorsport Mustang II
kit for 64 1/2-66 Mustang, Part
#RC-106 & Skinny Kid
front end kits for late model
Mustangs.... Kits must be installed
as instructed and not modified.
K-MEMBER:
Aftermarket factory-replacement-type K-member permitted, but must attach to the chassis using only the original factory OEM-type mounting bolts. No part of the K-member may be welded to the chassis.
REAR SUSPENSION:
No Restrictions
DRIVE TRAIN
AUTOMATIC TRANSMISSIONS:
Any OEM automatic transmission permitted. Aftermarket torque converter, shift kit, valve body, shifter, and pan cooler use are permitted. Trans brakes are permitted.
MANUAL TRANSMISSION:
After-market clutch (single disc only) assisted manual transmissions are allowed Clutch/Automatics or planetary transmissions
(Lenco or Jeffco) are not allowed. Split sliders are also not allowed. All shifts must be made manually without the aid of electric, hydraulic or pneumatic devices.
ENGINE:
No cubic inch limits.
(see weight guide below)
ENGINE BLOCK:
No Restrictions
OIL-RETENTION DEVICE:
All Xtreeme Drag Radial/TT-5 cars
must utilize an NHRA-accepted
lower engine oil-retention
device; may use a belly pan in
lieu of a device attached to
the engine. The belly pan must
extend from framerail to
framerail and extend forward
of the harmonic balancer and
rearward of the flywheel and
must incorporate a minimum 2-
inch-high lip on all sides. A
nonflammable, oil-absorbent
liner mandatory inside of
retention device.
CARBURETOR / THROTTLE BODY:
Any single or dual carburetor or throttle body set-up is allowed
EFI:
Any EFI system is permitted
ENGINE MOUNT LOCATION:
The
maximum allowable engine
setback from the center line
of the number-one spark-plug
hole to the center line of the
front spindle is 2 inches,
except in those vehicles in
which the engine was factory
installed at a distance
greater than 2 inches behind
the spindle. In both cases,
the engine must be mounted in
front of the Original Factory
Firewall Location. For
those cars with the firewall
moved back and your engine is
more than 2" and Less
than 4" from
the center line of the
number-one spark-plug hole to
the center line of the front
spindle,
you will be penalized an
additional 50lbs
NITROUS:
Any nitrous combo is legal, but cannot be used with any other power adder.
SUPERCHARGER / TURBOCHARGER:
Any single Supercharger
(Centrifugal up to 5.47 Max
Inducer diameter) or Single or
Twin Turbocharger is permitted.
(Nitrous
Oxide may not be used in conjunction
in any manor) See
weight breaks below
EXHAUST:
Production type mufflers or collector mufflers are required. Modification or removal of muffler internals is prohibited (no gutting).
ON BOARD DIAGNOSTICS / DATA RECORDERS:
On board diagnostic computers and recorders are permitted. Memory and playback tachometers are allowed..
STREET LEGAL REQUIREMENTS:
All cars are required to have working headlights and tail lights. Brake lights, turn signals are
not required to operate.
TIRES:
Front: Tires must have a minimum tread width of 4.5 inches. Front tires do not have to be DOT
approved. Rear:
(Radials) 12 inch wide MAX D.O.T.
Mickey Thompson ET
Street Radials or Goodyear
Radials ONLY Rear:
(Slicks) Mickey
Thompson 29.5x10.5
(3062 or 3062s) Or
Goodyear 29.5x10.5
(D2690 or D2690stiff)
WHEEL BASE:
Must retain stock wheel base with a maximum variation right to left and front to back of one inch.
XTREEME DRAG RADIAL WEIGHT GUIDE
Base Weight (All weights are race-ready, car with driver)
4 Cly W/Any Power
Adder..............................................2400 lbs
V/6
W/Nitrous..................................................................2400 lbs
V/6 W/Turbo or
Blower...................................................2800 lbs
Small Blocks
W/Nitrous..................................................2600 lbs Small Blocks
W/Roots Blower........................................3100 lbs
Small Blocks
W/Blower
(Up to 4.5
Inducer Diameter)...............3100 lbs Small Blocks
W/Blower (4.51-
4.84 Inducer Diameter)..............3200 lbs Small Blocks
W/Blower
(4.85 to
5.47 Max Inducer Diameter)......3250 lbs
Small Blocks W/Single Turbo
........................................3250 lbs
Small Blocks W/Twin Turbo
..........................................3350 lbs Big Blocks W/Nitrous
(up to
555ci)..................................3000 lbs
Big Blocks W/Nitrous
(556 to
600ci).................................3100 lbs
Big Blocks W/Nitrous
(601ci &
up)...................................3200 lbs
Big Blocks W/Blower (up to 555ci)..................................3350
lbs Big Blocks W/Blower
(556 to 600ci).................................3400
lbs Big Blocks W/Blower (601ci & up)...................................3450
lbs
Big Blocks W/Turbo (up to 555ci)....................................3400
lbs Big Blocks W/Turbo (556 to 600ci)...................................3450
lbs Big Blocks W/Turbo (601ci & up).....................................3500
lbs
WEIGHT ADDS & BREAKS:
Add
50 lbs. For
Non Factory Location
Firewall
Add 50 lbs. For
Engine Set-Back over
2" but not to
exceed 4"
Add 100 lbs. For
Use Of Wheelie Bars
Deduct 50 lbs.
For Using 275x60 or Smaller
Drag Radial Tires
Deduct 400 lbs.
For
No Power Adder (off of Nitrous
Combo's weights)
Field
Size and Ladder:
XDR/TT-5
Street will qualify for a 32-car
field (with Alternates) and will be
put on a 32-car Pro Ladder. If less
than 32 cars enter, we will follow
the NHRA "Official Ladder"
for the field size....
All cars that DO NOT QUALIFY,
will be eligible to enter into our
Bracket-1 Class on Sunday that will
pay a guaranteed $1000.00 to WIN....
Alternates:
If
there are more than 32 cars
qualifying for the 32-car field, we
will start inserting alternates (To
replace broken qualified cars)
starting at spot 33 and so on... If
you are an alternate, and a spot
opens up, you will be inserted in
the 1st available position before
the drivers meeting on Sunday
morning. This will give the
qualified cars overnight to get the
cars repaired.
SCSN
V Required Decals & Plate:
Class
Sponsor Decal
"TBD"
decal must be installed on base of
windshield on the passenger side. (Bottom
left hand side when looking at front
of vehicle windshield)
Event
Sponsor
Decal
"Chassisworks" decal must
be installed on base of windshield
on the drivers side. (Bottom
right hand side when looking at
front of vehicle windshield) SCSN
V License Plate
All
cars must display the "2009
SCSN V" Front License Plate
either on the front bumper or grille
before passing tech. Plate will be
given to racers at
registration......
Decals will be available during
registration at the SCSN Event
Trailer
Contingency Program & Contingency Decals:
All contingency decals may appear anywhere on the vehicle in a clear and organized fashion. Contingency decals may not be overlapped or modified. Most decals are available at the SCSN Event Trailer, but in the event the SCSN does not have the decals in stock, it is the racer's responsibility to obtain the proper decals to be eligible for the Contingency payout.
RACE DAY POLICY'S
SCALES:
After each qualifying and elimination pass, all cars must stop and weigh at the track scales. If you lose in eliminations, and your opponent fails to make weight you will be reinstated into the eliminations only if you made minimum weight requirements. If both cars failed to make minimum weight, both cars will be disqualified. It is the driver's responsibility to verify with each track scale, the weight of his/her car prior to each race day. There will 5lb error factor allowed.
TOW BACK
& TOW VEHICLES:
All
XDR/TT-5
entries are allowed
to tow to staging
lanes and to the
track scales with a
golf cart or other
similar small tow
vehicle. All
carts will be
subject to search by
a SCSN Official at
any time.
BYE-RUNS:
All vehicles must take the tree, and run down the 1/4 mile.
For questions or more information on these rules, please contact Mel Roth at
661-917-3078

2008
Runner-up Allen Stewart

2007
Runner-up Rich Hoyle

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