All rules subject to
change at the sole discretion of Piedmont Dragway
management and tech department.
10 points awarded for Car Teched In
1st 18 pts.
2nd 17 pts.
3rd 16 pts.
4th 15 pts.
5th 14 pts.
6th 13 pts.
7th 12 pts.
8th 11 pts.
5 points awarded for Per Round Won
3 points awarded To Each Race Winner
1 point awarded To Each Race Runner-Up
Breaker: Most wins, Runner up, semi, head to head matchups
(8 Car Field)
1st round loss:------$800.00
(Top 4 non-qualified cars, must have 4 cars staged under
Points Fund Payouts for 2013
If you enter the race as an alternate you must win at
least one round to be considered for any purse. If at
least one round is won the alternate will receive the
appropriate payout for that round minus first round loser
purse. First round loser purse goes to
the qualified car that could not make first round.
Any model full-body car will be permitted. (no funny car
Driver Restraint (Seat Belts):
SFI spec 16-1 mandatory within 2 year expiration of date
(see general regulations page 126 IHRA rule book.)
Required on all vehicles. Dual chutes required on all
vehicles reaching speeds of over
Mandatory meeting the SFI 27-1 specifications. (see
general regulations page
129 IHRA rulebook.)
A driver suit meeting SFI 3.2A/15, gloves and shoes
meeting 3.3/5. SFI approved
head and neck restraint device mandatory. All drivers will
be required to wear a jacket and pants or suit meeting SF
spec 3.2A/15, 3.2/20 blowers, turbos and prochargers.
SN2000 or newer or SFI 31.1, 31.2, 41.1, 41.2 mandatory.
Any supercharged or
nitrous assisted vehicle must use a 31.2 or 41.2 full-face
helmet. Helmet shield
must be down during run. Helmet removal system mandatory.
Fire Extinguisher System:
5 lb. fire extinguisher system mandatory. Minimum 1 nozzle
on drivers side in front of feet. 1 nozzle in front of the
engine. Safety pins must be red flagged.
(see IHRA general regulations page 112 in IHRA rulebook.)
All drivers must have at least a current IHRA Top
Sportsman Class B license.
Piedmont Dragway reserves the right to make additions
deemed necessary in the interest of safety.
Full bodied cars only, no funny car style bodies. All
vehicles must have working and accessible doors and hoods.
McAmis-Cynergy 5 star bodies are legal for Big Dog.
Wheelbase and Overhang:
Minimum 100” with a 2” variation from left to right.
Maximum wheel base 115”,
trucks full size 140”, S-10 Dakota or Ranger 125” Front
overhang limited to 43 from
the front spindle. Vehicle with less than 43” may add 1
extension to compensate for
the difference, but the extension must be approved by
Piedmont tech and must
meet proper height requirements.
Minimum 3” from front end to 12” behind the spindle-2”
remainder of car.
Four wheel brakes mandatory on all vehicles.
Floater-rear axles required.
All vehicles must be equipped with an IHRA approved
diaper. Diapers must be
pulled tight not to interfere with the timing equipment.
(Any run that is suspected
to be affected by a low diaper will be reviewed and
possibly disallowed if incremental
times detect a major difference in the vehicles
performance.) A carbon fiber or
fabricated aluminum belly pan may be used in lieu of a
diaper with a minimum of 6 attaching points.
22.5 Hoosier DOTs or any slick up to 34.5 only.
Bead locks mandatory on all entries maximum width 16”
Liners will be allowed per NHRA rules.
Taillights must be operation during all runs at night.
Must be secured (bolted in). (no exceptions)
Computers / Data Records:
Allowed. Crew members cannot activate the computer from
after the vehicle has staged.
Batteries / Starters:
All vehicles must have an onboard bolted on
battery. Drivers must
start the vehicle from inside the car. Maximum of two
Battery jump off
will be allowed behind the wall only. (If a vehicle loses
fire inside the wall it must be
able to start on its own. If directed by a Piedmont
official to shutoff, the vehicle will be allowed a jump
start inside the wall one time.)
Blowers. No screw type blowers. 88mm max for twin turbo,
120mm max for single turbo,
intercoolers prohibited on turbos, electronic fuel
injection accepted, water injection allowed on NOS
The maximum supercharger allowed will be 1471. The maximum
overdrive on any combinations with billet heads and billet
blocks will be 30%. Conventional cast blocks
and heads may run up to 50%.
Any transmission allowed.
Nitro methane prohibited. Fuel checks at the discretion of
the tech department
Maximum of two bottles, 15 lbs maximum per bottle. No
bottle may be turned on
until after the burnout is completed. All nitrous bottles
must be within a 5 year
expiration date and have the pressure rating clearly
stamped on the bottle.
Big Block Weight Limits:
Setup Weight Allowed
Nitrous 2250 lbs 730-810 cubic inch 5” bore spacing
Nitrous 2395 lbs Up to 5.3 bore spacing and 925 cubic inch
Blower 2550 lbs Up to 540 cubic inch 5.0 bore spacing
Turbo 2575 lbs up to 540 cubic inch 5.0 bore spacing
Turbo 2650 lbs up to 540 cubic inch 5.0 bore spacing
Procharger 2400 lbs up to 540 cubic inch 5.0 bore spacing
Small Block Weight Limits:
Setup Weight Allowed
Automatic w/nitrous 1850 Any cubic inch
Automatic w/blower 2475 Up to 450 cubic inch. Over 450
at big block weight.
Turbo 2400 lbs up to 430 cubic inches
Turbo 2475 lbs up to 430 cubic inches
All engines are subject to P & G at any time. Only a
driver or car owner can protest another participant. It
will be up to Piedmont Tech if such a protect is
warranted. All protests are at the sum of $600.00. If
driver being protested wins protest driver or owner of
such car will receive $300.00. The remaining $300.00 goes
to Piedmont Dragway for their future construction
projects. Race director or race tech may waive, amend or
modify any rule at any time for any single occurrence and
for good cause.