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400.1 |
Ignition -
Battery required ignition systems prohibited, “Magneto”
style ignition accepted.
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400.2 |
The weight tank may not protrude more than 10” past the
circumference of the rear tires and may not be mounted
above the rear tires. |
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400.3 |
The area and procedure for starting the engine will be defined
by the officials on an event-to-event basis based on the track
layout. |
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400.4 |
Only one restart after the car has passed the water box. |
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400.5 |
Procedure
for weighing cars:
If a car is determined to be under weight on the first
examination, the car will be removed from the scale and the unit
will be re-zeroed /calibrated. The car will then be
re-weighed ONE time. The decision of the official will be final.
Absolutely no touching of the cars by anyone except officials
until the car has passed the scales. |
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400.6 |
Driver controlled / cockpit controls are limited to:
A.
Throttle pedal
B.
Brake pedal
C.
Main electrical kill switch
D.
Momentary kill switch
E.
Mechanically operated emergency kill switch
F.
No other controls, switches, tubes, levers etc are allowed.
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400.7 |
Brake
disc must be steel material |
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400.8 |
Air filter doping is prohibited |
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400.9 |
No oil additives to engine oil for
horsepower gains. A sample of oil may be taken from any 330 entry
for analysis
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410.0 |
Maximum bore=3.750” (No Go =
3.751”)
Maximum stroke= 3” = or - .010”
Weight=
445# |
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410.1 |
Maximum bore= 3.550” (No Go
= 3.551”)
Maximum stroke= 3” + or - .010”
Weight= 400# |
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410.2 |
For engines under:
Maximum bore=
3.310” (No Go = 3.311”)
Maximum stroke=
3” + or - .010”
Weight= 350#
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410.3 |
Cylinder must be approved by either IHRA-or-NHRA (but not
necessarily both) |
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410.4 |
Engines
must be flat head—two valve—normally aspirated. |
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410.5 |
Single spark plug and single carburetor mandatory. |
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410.6 |
No computer controlled engine/clutch components or engine
control systems of any kind (i.e. engine management
systems-programmable ignitions-fuel control systems-clutch
control systems) |
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410.7 |
No oxygen sensors allowed in the exhaust system. |
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410.8 |
Fuel pumps must be pulsed from the manifold. No electric or
battery pumps allowed. |
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410.9 |
No internal engine parts may be made from carbon, carbon
fiber or carbon matrix materials. |
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410.10 |
Engine must be drilled as per attached picture. Engines will be
tagged prior to qualifying. Any change of engine
afterwards must be approved by the race official. The request
for change must be approved before the engine is removed from
the car.
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410.11 |
Mandatory engine inspection for winner and runner up.
Additional inspection of up to two others by random draw may be performed at the race official’s discretion. Record
setting engines must also be inspected for the record to become official. Additional random engine inspection may be performed at anytime
at the discretion of the race official’s. |
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410.12 |
Engine
oil may not contain any power additives or oxygen bearing
materials. Samples may be taken at anytime to insure compliance. |
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440.1 |
16 car field.
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440.2 |
If 23 cars are entered, a 24
car ladder will be used; if 31 cars are entered, a 32 car ladder
will be used. |
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440.3 |
Two qualifying runs. During qualifying runs driver must run the opposite lane on
their second qualifying attempt. |
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440.4 |
Eliminations runs will be on a Pro ladder (i.e. 1-16 / 2-15 /
3-14 etc.)
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440.5 |
Lane
choice for first round qualifying will be done by draw. Second
round qualifying will be run in the opposite lane from the
first. Failure to run in the opposite lane from the first pass
will forfeit the second pass.
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440.6 |
After the cars are paired for qualifying, if you miss your
position in the order, this pass is forfeited |
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440.7 |
Ties in qualifying will be broken by using the second run. |
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