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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 normal aspiration at
different weight breaks for
parity. All entries must
compete
on a
must
compete
on a 12
inch wide (or smaller)
DOT
approved,
Mickey Thompson or Goodyear Drag
Radial Tire or 29.5x10.5
Slick
XDR / TT-5 will run on a 1/8 mile format with a "All-Run" field.
Class Guidelines:
BODY:
The car must retain its original appearance and profiles. Aftermarket fiberglass
or carbon fiber replacement panels are limited to hood, front fenders, doors, deck lid and bumpers. One piece front ends are permitted, but must retain factory head light,
grille and bumper appearance.
BRACKET RACING AIDS:
The use of bracket racing aids such as optical sensors, delay boxes, stutter boxes, and throttle stops are not allowed.
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
back from the
factory location will receive a 50lb weight
penalty..
INTERIOR:
Dash board must be
factory appearing and in stock location.
WINDOWS:
Must be of safety glass, Lexan, or other shatterproof materials, minimum 1/8th inch thick. Also must be clear and non hazy.
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
PSCA 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
permitted Clutch/Automatics or planetary transmissions
(Lenco or Jeffco converter
driven) are
allowed with a 100lb weight
ad.
ENGINE:
Cubic inch limits.
(see weight guide below)
ENGINE BLOCK:
No Restrictions
OIL-RETENTION DEVICE:
All Xtreeme Drag Radial 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.
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
CYLINDER
HEADS:
Any cylinder head is allowed as long as
only 1 spark plug per cylinder is functional.
CARBURETOR / THROTTLE BODY:
Any single or dual carburetor or throttle body set-up is allowed
EFI:
Any EFI system is permitted
NITROUS:
Any nitrous combo is
legal.
SUPERCHARGER:
Roots up to a 14.71
(No Screwchargers) See
weight adds.
TURBOCHARGER:
Twin
Turbo 94mm Max ea. See
weight adds.
EXHAUST:
Production type mufflers or collector mufflers are required. Modification or removal of muffler internals is prohibited (no gutting).
IGNITION:
No restrictions
OILING SYSTEM:
No Restrictions. The front cross member may be altered for oil pan removal. Vacuum pumps are acceptable.
ON BOARD DIAGNOSTICS / DATA RECORDERS:
On board diagnostic computers and recorders are permitted. Memory and playback tachometers are allowed.
TRACTION
CONTROL:
Not
Permitted & Strictly
Prohibited
STEERING:
Rack and Pinion allowed on all vehicles.
STREET LEGAL REQUIREMENTS:
All cars are required to
have factory appearing front
end and headlights (decals
or airbrush accepted)
TIRES:
Front tires must have a minimum tread width of 4.5 inches. Front tires do not have to be DOT
approved. Rear Tires:
Mickey Thompson or Goodyear...12 inch MAX wide D.O.T. Drag Radials or Slick
Mickey Thompson 29.5x10.5
(part # 3062 or 3062s) Or Goodyear
29.5x10.5 (Part # D2690 or
D2709)
WHEEL BASE:
Must retain stock wheel base with a maximum variation right to left and front to back of one inch..
WHEELIE BARS:
Wheelie bars permitted
XDR/TT-5 WEIGHT GUIDE
Base
Weight (All
weights are race-ready, car
with driver)
4 Cly W/Any Power
Adder............................................2300
lbs
V/6-
W/Nitrous...............................................................2300
lbs
V/6 W/Turbo or
Blower.................................................2500
lbs
I/6 W/Turbo or Blower &
Nitrous...................................2650
lbs
Small Block
W/Nitrous..................................................2450
lbs
Small Block W/Roots
Blower........................................2900
lbs
Small
Block W/Blower
(Up to 4.5 Inducer Diameter)...............2900
lbs
Small Block W/Blower
(4.51- 4.84 Inducer
Diameter)..............3000
lbs
Small Block W/Blower
(4.85 to 5.47 Max Inducer
Diameter)......3100
lbs
Small Block W/Single Turbo
........................................2950 lbs
Small Block W/Twin Turbo
..........................................3150
lbs
Big Block W/Nitrous (up to
570ci)..................................2750
lbs
Big Block W/Nitrous (571 to
600ci).................................2800
lbs
Big Block W/Nitrous (601 to
650ci).................................2850
lbs
Big Block W/Nitrous (651ci
&
up)...................................3000
lbs
Big Block Roots SC ......................................................3100
lbs
Big Block Centrifugal SC (up to
600ci)...........................3200
lbs
Big Block
Centrifugal SC (601ci &
up)............................3300
lbs
Big Block
Single
Turbo (up to
600ci)..............................3200
lbs
Big Block Single Turbo
(601ci &
up)...............................3300
lbs
Big
Block Twin up to 94mm Turbo (up to
600ci).............3400
lbs
Big Block Twin up to 94mm
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"
(#1 Spark Plug behind Front
Spindle Centerline)
Add
100 lbs. For
a Lenco/Bruno Converter
Driven Planetary
Transmission
Deduct
50 lbs. For
91mm or smaller Turbo's (Big Block
Twin Turbo
Entries)
Deduct 50 lbs.
For Using
a "Blo-Thru"
Carb(s) on a Boosted Combo
Deduct
50 lbs.
For Stock Suspension
(All
attaching points in stock
locations - excluding
shocks)
Deduct
150 lbs. For Mod
Motor Combo's
Deduct 400 lbs.
For No
Power Adder (off of Nitrous
Combo's weights)
PSCA Required Decals:
Class Sponsor Decal
A MagnaFuel decal must be installed on base of windshield on the
passenger side. (Bottom left hand side when looking at front of vehicle windshield)
before entering the tech area..
PSCA Oval Decals
1 PSCA Oval decal must be placed on each side of every car in a
visible location before entering the tech area..
Series Sponsor Decal
Chris Alston's Chassisworks decal must be installed on base of windshield on the
driver's side. (Bottom right hand side when looking at front of vehicle
windshield)
Contingency
Program & Contingency Decals
In order to become eligible for PSCA official contingency
program, You must first become a member of the PSCA. You can do this at
the PSCA Event Trailer during registration or on-line at the PSCA
Store. In order to receive Contingency Monies from any of the
listed Contingency Sponsors, you must have the correct product listed
and matching Contingency Decal for that product on your car for the
entire PSCA Racing Event... Racers will be checked for Products &
Decals while being teched in and winners & runner-ups again will be
checked in the Winner's Circle after the conclusion of each event.
Winners & Runner-ups failing to show up for this mandatory Inspection
will forfeit all Contingency Money that is owed!!!!
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 PSCA Event Trailer, but in the event
the PSCA 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. Penalties
for
violating any PSCA Class Or
Contingency Program Rules
Penalties will vary for any PSCA Class
or Contingency Program Rule violation's from
Championship Point Deduction, Race Suspension, Probation and/or Re-instatement
Fine (Paid to St Jude In the name of the PSCA) If you are in any
violation that directly effects our "Electronics Policies"
(Example: Use of a Delay Box, Use of a Throttle Stop, etc..) You can receive the Maximum Penalty
(Disqualification from Event with loss of 50 Championship Points,
Two-Race Suspension and a $500 Re-Instatement Donation) You will also be
listed on a Web Page for all to view what violation and penalty any
racer receives..
RACE DAY
POLICY'S
SCALES:
After each qualifying and elimination
pass, all XDR/TT5 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.
Alternating Lanes During
Qualifying:
Each XDR/TT5 driver
must alternate lanes during qualifying. Even if you skip a session, you
must run the opposite lane you made your previous run in. If you choose
to ignore this rule, your second consecutive pass in the same lane will
be disqualified. Entering into a 2nd Class:
During qualifying, any PSCA racer who purchases a 2nd NHRA Tech Card and
pays entry into an additional class will be able to do so. However, once
your Final XDR/TT5 Qualifying Session is Completed, Driver and Car are no
longer able to make runs in that 2nd class... This also means NO RUNS
(Driver and Car) in
the Sunday Morning Bracket Time Trials Session.
Tow Back &
Tow Vehicles:
All
XDR/TT5 entries are allowed to tow
to staging lanes and to the track scales. All are subject to be searched by a PSCA Official at any time.
Bye-Runs:
All
XDR/TT5 vehicles must take the
tree, and run down the 1/4
mile (Unless instructed by
PSCA Official) and
Scale
Payouts:
All XDR/TT5 Racers that earn prize money can go directly to the PSCA trailer after eliminations and pick up his/her Winnings.
Winners Circle Picture & Contingency Verification:
XDR/TT5 Winner & Runner-up must return to the PSCA Winners Circle
Area for Official Photographs and Contingency Verification. Failing to
do so, will result in loss of all contingency monies earned. There are
no exceptions!!!
PSCA
Race Day Rules and Procedures...Click
Here
All
drivers and vehicles must meet current NHRA and track requirements.
For
any questions or additional information on these rules, please contact Mel Roth at 661-917-3078
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