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| NASCAR
WHELEN ALL-AMERICAN SERIES 2012 ODS LATE MODEL DIVISION RULES AND
REGULATIONS The ODSLM division is Old Dominion Speedway’s
premier division. The cars are to be prepared in accordance with the 2012 NASCAR Whelen
All-American Series Rule Book, section 20F, and any NASCAR Technical Bulletins released
which affect the LMSC division. These rules are subject to amendment at any time when
notice has been given. Notice shall be deemed effective within two (2) weeks of the rule
amendment and posting of the rule change by Old Dominion Speedway (ODS). Any LMSC prepared to meet NASCAR Whelen All-American
Series rules is legal to race at ODS as long as ODS-specific requirements for weight,
carburetor, shock absorbers and tires addressed below are incorporated and used. Starting inversions for the ODS Late Model division will be based on the average number of points earned by qualified entries over the previous three (3) races. The winner of the last race will start in eighth position. The top qualifiers will then be inverted for the remaining positions with the entry with the highest average in seventh position, the next highest in sixth, and so on. If a qualifier missed one of the three previous events, the inversion calculation will assume win points for that event. 1. Competing Car Models Open to two door American made passenger car production sedans, 1997 through 2010, that are approved for competition by ODS. No trucks or station wagons allowed. 1.1 Approved Competition Models Chevrolet: 1997 – 2010 Monte Carlo/Monte Carlo SS 2. General Body requirements 2.1 Car Body Measurements: Car body measurements must comply with NASCAR LMSC rule 20F-3.12 if the car make / year / body is legal for 2011 LMSC competition. Car body measurements must meet ODS dimensions for all other make / year / body cars eligible per these rules. 2.2 Spoilers: Spoilers and Front air dams must comply with NASCAR LMSC section 20F-3.1. 2.3 Windows, Lights, Mirrors: All cars must comply with NASCAR LMSC section 20F-3.2. This rule governs windshields, Rear Windows and Window Nets. A side-mounted rear view mirror may be installed. 2.4 Dash Panel, Fire Walls, Doors, Fenders, Grilles, Hood, Roof, Rear Deck Lid and Bumper Covers must comply with NASCAR LMSC sections 20F3.3 thru 20F3.10. Flat Hoods Only. 2.5 Identification/Car Numbers: See ODS rules for ALL
Divisions section 2. 3. Car Weight 3.0 Overall Car Weight: All cars must comply with NASCAR LMSC rule 20F-2.2. All ODS Late Model cars
must meet a minimum weight of 3,100 pounds, with a minimum right side weight of 1,375
pounds. 3.1 Overall
weight for crate engine cars will be 3,000 pounds
with a minimum right side weight of 1,325 pounds 3.2 Added Car Weight: See ODS rules for ALL Divisions section 1.2. 3.3 Car Weight After Competition: Cars must meet the
above minimum overall and minimum right side weights after competition with the following
after race weight allowance for fuel and fluids consumed. The weight allowance will be
seven tenths (.70) pound per race lap with no tolerance. Half of this allowance will be
for the right side weight requirement. In the event of twin races, the weight allowance
requirements will apply to each race on an individual basis. Example: Twin 100 lap races,
3,000 pound car. After the first 100 lap race, the car’s minimum allowed weight is
2,930. After the second 100 lap race, the car’s minimum allowed weight is still 2,930
pounds. 3.4 Minimum car weight requirements may be changed with
one-week notice to all competitors. 4. General Engine Requirements 4.1 The following engines are allowed: Chevrolet – 350 CID small block V8 Ford – 351 CID Windsor
small block V8 ( Dodge – Not accepted for
competition at ODS 4.2 Optional Crate Engine - GM part # 88958603( track approval
only) and #88958604 4.2.1 Crate engines may be purchased by racers through the track or from a number of other sources. All crate engines must meet track specifications to be permitted some to race. Any crate engine meeting track specifications may be allowed to race at the discretion of track officials but will be subject to a complete technical inspection at any time. Any crate engine will be subject to being pulled and dyno-checked at any time at the discretion of track officials. IF DYNO RESULTS DIFFER IN ANYWAY FROM 2000 RPM TO 6500 RPM ENGINE WILL BE CONSIDERED WRONG! 4.2.2 Cars running the optional crate engine are permitted to run different manufacturers engines in different manufacturer’s bodies. 4.2.3 All crate engines must run a Mel’s
Ignition with an internal built-in rev limiter (maximum allowed is 6500 RPM). The coil
must be mounted on the engine side of firewall as close as possible. No amplifier boxes
permitted; no MSD boxes; no magnetos. 4.2.4 Engines must remain as they come from the manufacturer. Balancers must be original. Rocker arms cannot be changed. Timing covers MAY NOT be changed. Everything must be original. NO EXCEPTIONS. 4.2.5 Paragraphs 5.1, 5.2, 5.3, 6, 7, 8, 9 and 10 apply. 4.3 Carburetor:
All
engines either built or create will run a
Holley 500 HP two barrel carburetor, part number 080583-1 (500 cfm). This carburetor
must remain as manufactured. No modifications allowed to carburetor except as specified.
See 500 HP specs attached as Addendum A. 4.3.1 No drilling or changing of any diameter of air bleeds, metering plate passages, throttle shafts, etc. 4.3.2 No swapping of metering plates. Diameter of holes is specified in attached Addendum A. Boosters must be in stock location. 4.3.3 Choke butterfly may be removed. When choke linkage is removed, all linkage mounting holes must be filled with epoxy. 4.3.4 All vacuum ports/outlets must be removed and plugged with steel plugs or epoxy. 4.3.5 Jets and power valves may be changed. Power valve must be used, No power valve block-off plugs allowed. 4.3.6 Carburetor Spacer: Solid aluminum, Manufactured by MOROSO .750 inches thick, with two 1.5 inch diameter holes located in the center that match the carburetor. Spacer must comply with NASCAR LMSC Rule 20F-5.10.2 4.3.7 Any carburetor held for inspection may be impounded for the week and will be returned the following Saturday at the track upon competitor’s arrival if Carburetor is found to be legal. 4.4 Air Cleaner and Air Intake: Air cleaner must be round and may be centered or offset on the carburetor. Paper style filter element only. No devices to control the flow of air within the air cleaner are allowed. Must comply with NASCAR LMSC section 20F-5.12. 4.5 Any engine listed above may be used in any eligible car 5. Detailed Engine
Requirements
5.1 Engine Location: Chevrolet engine must be located so
that the center of the No. 2 spark plug hole is in line with or no more than one (1) inch
forward of the center of the right upper ball joint. Ford engine must be located so that
the front face/edge of the right side cylinder head is in line with or no more than one
(1) inch forward of the center of the right upper ball joint. Center of crankshaft must be
located on centerline of frame/tread width. See
NASCAR LMSC rule 20F-5.1. 5.2 Engine Height: Engine height will be a minimum of
twelve (12) inches from crankshaft center at the front pulley to the ground, measured with
driver. See NASCAR LMSC rule 20F-5.2. 5.3 Engine Mounts: Engine mounts must comply with NASCAR LMSC rule 20F-5.3 5.4 Engine Displacement: Engine displacement and engine stroke will be stock for the engine being used with a maximum allowable overbore of sixty thousandths (.060) of an inch. 5.5 Engine Block: The engine block must be a stock cast iron block with an OEM part number. No aftermarket, GM Performance, or Ford SVO / SVT racing type blocks allowed. No angle cutting of block deck. No compacted or graphite engine blocks permitted. 5.5.1 Pistons: Pistons must be flat top aluminum with two (2) or four (4) valve reliefs permitted. Ring grooves must remain in the stock position. 5.5.2 Connecting Rods: Connecting Rods may be OEM stock rods. No lightning or polishing permitted. Stock rod length and journal diameter must be maintained. Piston pin must be in stock location. Must be same weight as stock. Alternate connecting rods approved for use are Eagle Specialty Products: Chevrolet - SIR5700BPLW (press fit), SIR5700BBLW (bushed) 5.5.3 Deck Height: Minimum piston to deck clearance is zero (0). Piston may not protrude above the block deck. 5.5.4 Oil Pan: Oil pan must comply with NASCAR LMSC rules 20F-5.5.4A and 5.5.4B 5.6 Cylinder Head: ANY CYLINDER HEAD USED OTHER THEN THE NASCAR
APPROVED CYLINDER HEAD MUST BE 64 cc CHAMBER AND MAY ONLY BE RUN ON THE GRANDSTOCK BUILT. A NASCAR APPROVED LATE MODEL ENGINE MUST BE BUILT
TO THE NASCAR RULES. 5.6.1 Any production cast
iron cylinder head either angle or straight plug with no more than a 2.02 and 1.60 valve
size and with no less than a 64 cc chamber. The only changes is for valve seat and or
double springs. No high performance heads or
vortech heads
or double hump heads allowed. IF
NASCAR APPROVED CYLINDER HEAD IS USED YOU MUST FOLLOW NASCAR RULE # 20F-5.6/6.1/6.2/6.3
ANDENGINE RULES. NO EXCEPTIONS 5.6.2
Cylinder Head Modifications: No angle milling of cylinder head block surface or intake
surface. Valve angle in head may not be changed. Cylinder heads may not be ported or
polished in any way. No 3-angle valve jobs permitted.
Ford: 053030-2,
053030, 5303B, 5303A (fully assembled) Minimum 58cc combustion chamber Intake Valve size
1.94 Exhaust Valve size 1.60 5.6.3 Valves, valve springs and retainers must be steel. No Titanium valves, springs or retainers. No high flow undercut valve stems allowed. 5.7 Crankshaft: crankshaft must be OEM stock with minimum weight of 52 pounds FOR THE GRAND
STOCK BUILT. Steel crankshafts allowed.
Polishing or lightening of crankshaft will not be allowed. No knife-edging permitted.
Stock stroke must be used. Harmonic balancer must be OEM magnetic steel elastomer type
balancer. GRAND
STOCK Built motor is permitted to use Eagle
steel crankshaft part number (103503480 two
piece seal)-(103523480 one piece seal). Crank
cannot be modified in any way. Weight must be
identical to OEM crankshaft. Contact ODS tech crew for specifications. LATE MODEL BUILT ENGINES THE CRANK MAY WEIGH 50 LBS AS PER LATE MODEL RULES. 5.8 Camshaft, Rocker Arms 5.8.1 Camshaft
may be hydraulic or solid flat tappet type cam. No roller cams/lifters. Valve lifters and
pushrods must be magnetic steel. 5.9 Intake Manifold: The following intake manifolds must be used: Chevrolet: Edelbrock #2101
(Only current design “Performer” manifolds are permitted. Older design manifolds
with the same p/n are not permitted.) Ford: Edelbrock #2181 No angle milling of any surface on the manifold is permitted. No porting or polishing is allowed in any manner. 6. Engine/Car Electrical Systems 6.1 Ignition System: For all engines other than create
engine, as per NASCAR LMSC rules: Stock OEM point type distributor is permitted; Stock OEM
style electronic ignition system is permitted; Performance 6.2 Spark Plugs: Spark Plugs must comply with NASCAR LMSC rule 20F-6.2. 6.3 Alternator: Alternator must comply with NASCAR LMSC rule 20F-6.3. 6.4 The self starter must be in working order and installed in the stock location. Starter must comply with NASCAR LMSC rule 20F-6.4. 6.5 The battery must be installed in an enclosed battery
box. 6.6 Electrical Switches: All electrical switches must comply with NASCAR LMSC rule 20F-6.6 An electrical cut-off switch that cuts off all power to the car must be mounted in the center of the dash that can be reached from both sides of the car and the driver. 6.7 Electrical Wiring: All wiring shall be routed in an
open manner, visible, and traceable from termination point to termination point. Taping,
wrapping or enclosing wires into looms is not permitted. Bundling and securing of wires is
allowed using small CLEAR tie wraps only. Termination blocks are recommended for
connecting or splicing wires were necessary. Terminal blocks, if used, must be in the
open, visible and easily accessible. Wiring and any accessories must comply with NASCAR LMSC rule 20F-6.7. 6.8 Ignition Amplifier Box: If an external ignition amplifier box is used (MSD or other) the following rules must be followed at ODS. 6.8.1 Must use 6 position connector per NASCAR rule 20J-6.1F. This connector is a GM/Packard weather pack series sealed connector. (MSD p/n 8170). The plastic female housing with male contacts installed must be wired onto the ignition box. The mating connector, male housing with socket contacts must be used on the car wiring harness. The pin out must be as specified below: Position A – Red - +12v Ignition Position B – Brown or Green – Tach Position C – Black – Negative Coil Position D – Position E – Green – Negative Distributor Position F – Purple – Positive Distributor 6.8.2 The Power and Ground wires per NASCAR rule 20F-6.1K, must use a 2 position GM/Packard weather pack series sealed connector (MSD p/n 8173). The plastic female housing with male contacts installed must be wired onto the ignition box. The mating connector, male housing with socket contacts must be used on the car wiring harness. The pin out must be as specified below: Position A – Red - +12v Position B – Black – Ground ( 6.8.3 Ignition Amplifier Box must be mounted to the dash in a manner that is easily removable for inspection purposes. All wiring to the amplifier box, ignition coil and distributor shall be exposed and easily traceable. Taping wires together, heat shrink and/or wire looms will not be allowed. 7. Engine Cooling System Engine Cooling System must comply with NASCAR LMSC section 20F-7. 8. Engine Lubrication Engine Lubrication System must comply with NASCAR LMSC section 20F-8. No Accusump systems allowed. 9. Engine Exhaust System Engine Exhaust System must comply with NASCAR LMSC section 20F-9 except as amended below: 9.1 Car exhaust system shall have one Magna Flow Performance Muffler (part # 12298) installed. The installed muffler will function as a Y-pipe, with the output of each header connected to the dual muffler inputs, and the single output of the muffler connected to the exhaust tailpipe. The specified muffler must remain stock as from the factory. No modifications will be permitted. The muffler outlet flange may not be covered by the exhaust tailpipe and must be visible for inspection purposes. Modifications to this muffler may result in the loss of all points and/or other penalties as deemed appropriate by track officials. 9.2 All exhaust pipe shall be three (3) inch outside diameter and painted white with high temperature paint. 9.3 Tailpipe must turn to face the ground, if the exhaust exits under the car. Alternatively, exhaust may exit through the door above the frame rail flush with the door exterior. 9.4 Cars must not exceed a 99 decibel (db) sound level, as measured by track officials. Sound levels may be monitored anytime cars are on track. 9.5 Exhaust leaks anywhere in the system as determined by track officials will not be allowed and must be corrected. 10. Drive train 10.1 Clutch: Must comply with NASCAR LMSC rule 20F-10.1 except as amended. Carbon fiber clutches are not allowed. 10.2 Flywheel: Must comply with NASCAR LMSC rule 20F-10.2. 10.3. 10.4 Transmission: Must comply with NASCAR LMSC rule 20F-10.4 No weight reduction of any type is permitted. Transmissions will be weighed and inspected for lightening periodically. 10.5 Driveshaft: Must comply with NASCAR LMSC rule 20F-10.5. 10.6 Rear Axle: Must comply with NASCAR LMSC rule 20F-10.6 except as amended. Nine inch Ford or OEM axle assembly may be used as long as racing axles have been installed. Torque sensitive carriers are NOT allowed. 10.7 Wheels: 10.7.1 Wheels must comply with NASCAR LMSC rule 20F-10.7 except as amended. Wheel width will be ten (10) inches as measured between the mounting beads. 10.7.2 Tire bleeder valves are not allowed. 10.8 Tires: The track assigned tire is HOOSER model / compound # F45. No conditioner or softener may be used in any manner on tires. 10.8.1 ODSLM teams will be allowed to purchase and use two (2) new tires weekly for an event’s qualifying and race(s). Only 2 new tires will be permitted on the car for qualifying/racing for an event. 10.8.2 Teams will select their two (2) tires in the tire compound area on race day and have them mounted. Tires will be branded / marked and bar code numbers recorded by ODS officials for identification purposes. Tires used in qualifying and the race MUST have been purchased at ODS and contain the proper ODS brand / mark and bar code numbers. 10.8.3 Teams will be allowed to set air pressures and measure tires in the tire compound area. 10.8.4 Teams will move the tires directly from the tire compound area to an area designated for ODSLM tires by track officials. Tires should have air pressures set at the level that teams want them to be during impound, before qualifying. 10.8.5 Teams will not be permitted to work on the tires after they leave the tire compound. 10.8.6 Teams will be told by track officials when they may retrieve tires in preparation for qualifying. 10.8.7 Teams must race on the same tires that are used for qualifying. 10.8.8 Tires purchased and used for practice may not be used for qualifying/racing. 10.8.9 After the completion of the ODSLM feature race(s), teams will remove two (2) tires that had completed the race from the car and submit them to track officials for impound. The bar code numbers on these two tires will be recorded by track officials for identification purposes. These two tires will be impounded at the track until the next race. These two tires will be used for qualifying and racing at the next weekend of racing. If a team does not intend to buy tires for the next race they must submit four (4) tires for impound. Tires should be clearly marked with the team’s car# with tire chalk. 10.8.10 In the event of a rainout, all race tires will be impounded by track officials. 10.8.11 On the first night of competition only,
competitors will be allowed to buy four (4) tires for qualifying and racing for that
night. Additionally, ODS officials may designate other events during the season for teams
to purchase and use 4 new tires, if deemed necessary.
In such an instance, teams will be notified at least one week in advance. 10.8.12 Any car found with the wrong tires after a race
will be immediately disqualified and the driver penalized 50 points. 11. Frames Frame must comply with NASCAR LMSC section 20F-11. 12. Suspension Suspension must comply with NASCAR LMSC section 20F-12 except as amended below. This includes: springs, sway bars, A-Frames, spindles, wheel bearings, hubs, tread width, wheelbase, body height, ground clearance, car height adjustment devices. 12.1 All cars must compete with a wheelbase of 105 inches with a tolerance of plus (+) or minus (-) one half (1/2) inch. 12.2 Whatever bushing material is used in the left side suspension must also be used in the right side suspension. 12.3 Shocks: The track has assigned a specific shock
absorber to be used in this division. This
shock absorber is a Koni gas mono tube shock. The
following part numbers are approved: 7436, 7325, 9325 and 9436, as
well as any Koni numbers these shocks may have superceded. These shocks may not be altered, re-valved or rebuilt by the manufacturer or any other individual. Shocks and internal components are subject to inspection by tech officials at any time. A shock as provided by Koni will be used as a guide in determining if a competitors shock is in compliance with this rule. Any violation of this shock rule may result in loss of all points and/or other penalties as deemed appropriate by track officials. The shock absorbers may be inspected at any time during the event and must extend or compress six (6) inches in a time span of 1-1/2 minutes or less with a 50 pound weight attached to the NASCAR or Track shock absorber measuring device. 12.4 Tread Width: The tread width must comply with NASCAR LMSC rule 20F-12.6. Wheel spacers, if used, must be magnetic steel and the same thickness used on the right and the left sides. 12.5 Springs: 13. Steering Components Steering Components must comply with NASCAR LMSC section 20F-13. 14. Brakes and Brake Cooling Brakes and Brake Cooling must comply with NASCAR LMSC section 20F-14. 15. FUEL: See ODS rules for ALL Divisions Section 5. 16. Fuel System The Fuel System must comply with NASCAR LMSC section 20F-16. This includes: Fuel Cell, Fuel Cell Container, Installation, Fuel Filler, Fuel Cell Vent, Fuel Pump and Fuel Lines and Fuel Fill Containers. 17. Personal Safety Requirements and Roll Bars See ODS Rules for ALL Divisions Section 6. 18. Inspections, Protests, Claims, CRATE engines AND PENALTIES 18.1 Pre-Race Inspection: Any pre-race inspection failures or non-compliance with these rules may result in not being allowed to participate or compete in the event. Additional weight or rear of field starts may be imposed. The penalty for inspection failure is determined by the race director. 18.2 Post Race Inspection: Any post-race inspection failure may result in forfeiture of some or all prize money, contingency money and points earned for that event. Any illegal part found will be surrendered to NASCAR track officials. No equipment or part will be considered approved by reason of having passed through previous inspections. Pre-race inspections of a particular part or rule do not preclude post race inspections. The penalty for inspection failure is determined by the race director. 18.3 Protests: No protests will be accepted after ten
(10) minutes past the drop of the checkered flag in the ODSLM feature race. Only drivers
finishing in the top 5 positions AND who are in the top 5 in the division point standings
may file a protest. Only drivers finishing in the top 5 positions AND who are in the top 5
in the point standings are subject to being protested. In the final two weeks of the
season any competitor protests must be made to an ODS Tech official, who will determine if
the protest is allowed. Track teardowns and post race inspections will be conducted as
normal including the final night of competition. ODS will retain fifty (50) percent of all
protest money. The protesting driver/owner will have the same part/parts inspected on
their car. The cost to protest, (teardown fee), particular items is: Carburetor $100 Cylinder Heads $200 Connecting Rods $400 Crankshaft $800 18.4 Teardowns: Any driver/owner refusing a request from NASCAR track officials to teardown for post-race inspection or protest for any reason will be placed on a one (1) race suspension. The driver will be held responsible for the refusal to teardown. The driver will lose all points earned for the current event. Refusal to teardown a second time will result in the loss of all points accrued during the season and suspension for the remainder of the current season. ODS track officials reserve the right to teardown at any time. 18.5 Crate Engine Inspections and Penalties 18.5.1 The primary means of technical
inspection for crate engines will be a test on a track-designated dynamometer with the
resulting data for peak horsepower, rpm and power curve evaluated against Original
Equipment Manufacturer (OEM) specifications and corresponding dynamometer data from
speedway-owned crate engines. Any significant
difference between the two engines in the opinion of the track technical staff will be
deemed a failure of the inspected engine to meet technical requirements. 18.5.2 If
a dyno-checked engine meets OEM specifications and track data, the engine will be considered
legal and the cost of the technical inspection will be paid by the track. If the engine fails to meet OEM specifications and
track data, in the opinion of track technical officials, it will be considered illegal and
the driver/car owner will be responsible for the cost of the technical inspection. Further, the failed crate engine will not be
permitted to race again until it has been fixed and successfully re-certified on the
track-designated dynamometer at the drivers/owners expense. 18.5.3
Re-certification of crate engines that have been found to vary from the speedway standard
will be performed at a date and time to be determined by track officials. 18.5.4 Crate engine disqualifications, suspensions, point penalties and fines will be addressed by track
officials and determined on an individual basis. 18.5.5 There will be no claim or
claim/exchange on crate engines by competitors. 18.6
Carburetor Inspections and Penalties. 18.6.1 If a carburetor does not pass technical
inspection after the race, the racer will be disqualified
for that night and forfeit all points and prize money. The racer will receive 0 points and
$0.00 in prize money. The carburetor will be confiscated by the track and will not be
returned. A $500.00 NASCAR fine will be levied. The racer will not be allowed to race at
any NASCAR track until the fine has been paid. If a carburetor does not pass technical
inspection after Qualifying, but BEFORE the Green Flag, the carburetor will be
confiscated, a $500.00 Track fine will be levied, all winnings up to that point will be
forfeited, and the racer will start at the rear of the field. The racer will not be
allowed to start the race that night or any other races at a NASCAR track until the
$500.00 fine has been paid. (The only things that can be changed on the carburetors are
the power valves and jets. If anything else is different, then the carburetor is illegal.)
18.6.2 Carburetor Claim/Exchange. Any racer that finishes in the Top 5 will have the option to claim another competitor's carburetor that finished in the Top 5 that same race. The claim fee is $300.00. Both carburetors must pass technical inspection before exchanging. If a claim exchange is approved, both carburetors must be left at the track and at the next race, the Track Officials will ensure that the carburetors are put on and run. The Track reserves the right to deny any request for a Claim/Exchange. Additionally, the owner of the claimed carburetor may opt to have the claimer buy his carburetor for a fee of $700.00. (This forfeits the $200.00 Claim Fee & the driver of the claimed carburetor will not receive the other's carburetor.) The Track reserves the right to deny any request for a Claim. 18.7 The
track reserves the right to impound anyone's car or any part of anyone's car for the purpose of technical inspection. If a racer refuses to
allow his car to go through technical inspection, then the track will impound the car
until the racer agrees to allow his car to be inspected. 18.8 Any effort by a racer to take advantage of “gray areas” in the rules that is determined to be an infraction by track officials will be dealt with on a case-by-case basis. 19. Administration 19.1 All competitors should read/review sections 1 thru 17 of the NASCAR 2012 Rule Book. 19.2 All competitors should read/review ODS General Rules and ODS All Division Rules. Any questions concerning these rules should be directed to a member of the ODS technical crew: Less Steger (onebadsn8k@aol.com), Eric Stewart, Tracy Day, Dickie Gore, Gary Gore, Dave Menefee
19.3 Old Dominion
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