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The technical
specifications shall be those contained in the USAC 2003 Official
Competition Rules for the Midget Car Division, with the following
additions and modifications:
1. ENGINE
SPECIFICATION CHANGES
a. All changes to engine specifications must be made by December 1 to
affect the next racing season.
2. ADDITIONAL
PERMITTED ENGINES
A. Single Overhead Camshaft Type Engines:
i. Maximum of six cylinders in line or V-type (maximum 90
degrees), water cooled two valves per cylinder - Maximum 155 CID.
B. Double Overhead Camshaft Type Engines:
i. Four cylinder inline water cooled, maximum of four valves per
cylinder - Maximum 133 CID (2180 cc).
ii. Maximum of eight cylinders, inline or V-type (90 degree
maximum) two valves per cylinder air cooled - Maximum 128 CID (2098 cc).
C. Motorcycle engines:
i. Maximum of four cylinders, inline, two valves per cylinder, air
cooled, turbo-charged - Maximum 90 CID (1475 cc.). Turned 90 degrees.
D. Any OEM engine installed in a vehicle on a production line
with original type cylinder head/block/crankshaft assembly mated at time
of production. No after-market crankshafts. Electronic ignition and
electronic fuel injection allowed. Maximum displacement:
i. DOHC 4 valves/cyl - 153 cid
ii. SOHC 2 valves/cyl - 183 cid
iii. OHV 2 valves/cyl - 200 cid
iv OHV 3 valves/cyl – 163 cid
E. The preceding engine sizes are the maximum permitted. No clean
up allowed.
F. Any engine not named in the specifications must be submitted
to and approved by the Board of Directors prior to running.
3. TIRE SPECIFICATIONS
A. The tire brand is American Racer.
B. Front tires will size 8.0/20.0-13S 64” with the M28 compound.
C. Left rear tires will be either:
i. 9.8/22.0-13S 68.5” M28 compound or
ii. 10/21.5-13S 68” M28 compound
D Right rear tires will be 12/23.5-13S 74” with the M32 compound.
E. If for any reason a car changes any tire during any event,
that car will start at the rear of the field.
F A maximum of one new or used right rear tire will be allowed
per car per WMRA sanctioned event that the car participates. The first
WMRA sanctioned event that a car participates, two new or used right
rear tires will be allowed. A car has participated in an event if the
car has qualified. Right rear tires will be registered with WMRA
officials. If the event is rained out before completion of qualifying,
the registered tire for that event will carry over to the next WMRA
sanctioned event that car participates in. Only registered right rear
tires will be allowed in qualifying and competitive races. Exceptions to
this rule will be at the discretion of the officials.
4. CAR SPECIFICATIONS
A. A fuel shut-off must be installed in close proximity to the
fuel tank and be easily accessible to safety personnel in the event of
an accident.
B. One-way radios will be required for all cars. This radio may
be purchased or leased from WMRA. Radios will be used to help speed up
the shows as well as provide us with a way to communicate to all drivers
in the event of a caution or accident.
DIVISION II
RULES
1. GENERAL
A. Except as modified in this section, all Division II cars must
meet the same technical specifications as WMRA Division I cars.
B.The Division II Committee shall consist of the WMRA Board, or a
committee appointed by the WMRA Board.
C. The format may be altered at any given race by the Division II
Committee or the WMRA officials.
2. DIVISION II ENGINES
A. No modern racing engines utilizing custom blocks and heads,
such as Brayton, Gaerte, Pink, Esslinger, Fontana, and Pontiac with
alloy block and/or head, V4 with alloy block.
B Engines may be added to the following list or specifically
allowed at the discretion of the Division II Committee. No modern racing
engines.
C Any OEM engine installed in a vehicle on a production line with
original\type cylinder head/block/crankshaft assembly mated at time of
production.
i. DOHC 4 valves/cylinder 153 c.i.
ii SOHC 2 valves/cylinder 183 c.i.
iii. OHV 2 valves/cylinder 200 c.i.
iv. OHV 3 valves/cylinder 163 c.i.
v. Volkswagen air cooled 151 c.i.
3. WHEELS
A Division II cars are permitted to run 12” wide right rear
wheels.
4. TIRES
A. All tires used on Division II cars must be of the same type
and compound used by WMRA Division I cars.
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