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 2013 AMERICAN LE MANS SERIES PRESENTED BY TEQUILA PATRÓN COMPETITOR INFORMATION
 Rules and Regulations
2013 ALMS RULES FINAL
 2013 Bulletins
Competitor Bulletin 13-01: Fuel Tank Restrictors
Competitor Bulletin 13-02: Adjustment of Performance
Competitor Bulletin 13-03: Continental Tire Decal and Patch Requirements
Competitor Bulletin 13-04: IMSA CODE Update
Competitor Bulletin 13-05: Private In-Car Cameras
Competitor Bulletin 13-06: ALMS SSR Update
Competitor Bulletin 13-07: IMSA CODE Update
Competitor Bulletin 13-08: LBGP Paddock Regulations
Competitor Bulletin 13-09: Post Sebring AoP
Competitor Bulletin 13-10: Mazda Raceway Paddock load in
Competitor Bulletin 13-11: PC Technical Regulations Update
IMSA MEMO 13-01: ImPact Testing
IMSA MEMO 13-012: Prize Money
 2012 Bulletins
Competitor Bulletin #12-01: Adjustment of Performance - Superseded by Competitor Bulletin #12-18
Competitor Bulletin #12-02: In-Car Cameras
Competitor Bulletin #12-03: Updated Driver Rating Information
Competitor Bulletin #12-04: Official Fuel Supplier
Competitor Bulletin #12-05: PC Class Technical Regulation Update
Competitor Bulletin #12-06: Adjustment of Performance Update
Competitor Bulletin #12-07: PC Class Regulation Update
Competitor Bulletin #12-08: Tire Marking Update
Competitor Bulletin #12-09: Long Beach Paddock Regulations - Rev 3/22/2012
Competitor Bulletin #12-10: Post Sebring Adjustment of Performance
Competitor Bulletin #12-11: Sporting Regulations Update⁄Clarification
Competitor Bulletin #12-12: Mazda Raceway Laguna Seca Paddock Load In Schedule
Competitor Bulletin #12-13: Post Long Beach Adjustment of Performance - corrected
Competitor Bulletin #12-14: Mazda Raceway Laguna Seca Paddock and Pit Lane Logistics
Competitor Bulletin #12-15: Qualifying Regulations Update⁄Clarification
Competitor Bulletin #12-16: Pit Lane Start
Competitor Bulletin #12-17: Tire Usage
Competitor Bulletin #12-18: Adjustment of Performance
Competitor Bulletin #12-19: Limerock Pit Lane
Competitor Bulletin #12-20: GT Ground Clearance
Competitor Bulletin #12-21: P2 PC GTC Silver Bronze Participation
Competitor Bulletin #12-22: Drive Time Red Flag
Competitor Bulletin #12-23: Pit Lane Start Revised
Competitor Bulletin #12-24: Mid-Ohio Paddock Regulations V2
Competitor Bulletin #12-25: Mid Ohio Pit Wall
Competitor Bulletin #12-26: Qualifying Segments
Competitor Bulletin #12-27: Adjustment of Performance
Competitor Bulletin #12-28: Road America Paddock Regulations
Competitor Bulletin #12-29: Road America Pit Lane Fence - Gates
Competitor Bulletin #12-30: Baltimore Grand Prix Paddock Regulations
Competitor Bulletin #12-31: Adjustment of Performance
Competitor Bulletin #12-32: Team Points
Competitor Bulletin #12-33: Adjustment of Performance*Revised 10/16/2012
IMSA Memo 12-01: Driver Rating Information
IMSA Memo 12-02: Driver, Team Manager and Crew Chief Briefing Location Change
IMSA Memo 12-03: VIR Open Test
IMSA Memo 12-04: Decal and Logo Placement Reminder
IMSA Memo 12-05: Fire Extinguisher Training at MRLS
IMSA Memo 12-06: GTC Promoter Test Day Participation
IMSA Memo 12-08: ImPact Testing
IMSA NOTICE 12-01: Driver Probation
IMSA NOTICE 12-02: Driver Probation
 2011 Bulletins
Competitor Bulletin #11-01: Adjustment of Performance for E10 and E85 fuels
Competitor Bulletin #11-02: Mandatory ImPact Testing of Drivers
Competitor Bulletin #11-03: Sebring LMPC Gear Ratio Update
Competitor Bulletin #11-04: Safety Apparel Update
Competitor Bulletin #11-05: Sebring Technical and Sporting updates
Competitor Bulletin #11-06: ALMS Regulations Updates and Required Decal Placement
Competitor Bulletin #11-07: Post Sebring Adjustment of Performance
Competitor Bulletin #11-08: Long Beach Paddock Regulations
Competitor Bulletin #11-09: Long Beach Technical and Sporting Updates
Competitor Bulletin #11-10: Baltimore Grand Prix Paddock Regulations
Competitor Bulletin #11-11: Adjustment of Performance - Technical Updates
Competitor Bulletin #11-12: Lime Rock Pit Lane
Competitor Bulletin #11-13: Lime Rock Event Competition Update
Competitor Bulletin #11-14: Post LRP Adjustment of Performance
Competitor Bulletin #11-15: Multiple Regulations Updates
Competitor Bulletin #11-16: Mosport Pit Lane
Competitor Bulletin #11-17: Pre Mid-Ohio Adjustment of Performance and Technical Updates
Competitor Bulletin #11-18: Mid-Ohio Paddock Regulations
Competitor Bulletin #11-19: Technical Regulations Update
Competitor Bulletin #11-19 Attachment
Competitor Bulletin #11-20: LMP2 Points and Awards
Competitor Bulletin #11-21: Road Atlanta Entry Selection
Competitor Bulletin #11-22: Mid-Ohio Pit Wall
Competitor Bulletin #11-23: Post Mid-Ohio Adjustment of Performance
Competitor Bulletin #11-24: Baltimore Paddock Regulations
Competitor Bulletin #11-25: Road America Maximum Drive Time
Competitor Bulletin #11-26: Adjustment of Performance
Competitor Bulletin #11-27: Adjustment of Performance
Competitor Bulletin #11-28: Mazda Raceway Laguna Seca Paddock Regulations
Competitor Bulletin #11-29: GTC Adjustment of Performance
Competitor Bulletin #11-30: Petit Le Mans Technical and Sporting Specifications
Competitor Bulletin #11-31: Adjustment of Performance
Competitor Bulletin #11-32: Tire Marking Clarification
Competitor Bulletin #11-33: ACO Data Logger Update and Clarification - Correction
Competitor Bulletin #11-34: Adjustment of Performance—Clarification
Competitor Memorandum #11-01: 2011 Pre-Season Regulations Preview
Competitor Memorandum #11-02: Additional Pre-Season Updates
Competitor Memorandum #11-03: Additional Driver Rating Information
Competitor Memorandum #11-04: American Le Mans Series Entry Deadlines
Competitor Memorandum #11-05: Sebring 12 Hour Paddock and Pit Lane Restrictions
Competitor Memorandum #11-06: rules@imsaracing.net Information
Competitor Memorandum #11-07: Paddock Parking Procedures
Competitor Memorandum #11-10: Baltimore Grand Prix Track Walk
Competitor Memorandum #11-11: ImPACT Testing Reminder
 2010 Bulletins
Competitor Bulletin #10-01: Technical Specifications, 2010
Competitor Bulletin #10-02: Transporter Decal Requirements
Competitor Bulletin #10-03: Sebring SR Update – Drive Time Requirements
Competitor Bulletin #10-04: GTC Technical Regulations Update
Competitor Bulletin #10-05: Sebring LMPC Gear Ratio Update
Competitor Bulletin #10-06: Approved Fuels Update - Revised
Competitor Bulletin #10-07: Sebring Rules Update
Competitor Bulletin #10-08: ACO-IMSA Regulation Updates
Competitor Bulletin #10-09: Long Beach Paddock Regulations
Competitor Bulletin #10-10: Post Sebring Class Adjustments
Competitor Bulletin #10-11: Drive Time Rule Revision
Competitor Bulletin #10-12: Cumulative Rules Update
Competitor Bulletin #10-13: Long Beach Tire Marking
Competitor Bulletin #10-14: Class Adjustment Clarification
Competitor Bulletin #10-15: GTC Class Adjustment
Competitor Bulletin #10-16: Cumulative Rules Update
Competitor Bulletin #10-17: Class Adjustments
Competitor Bulletin #10-18: Challenge Class Regulations Cumulative Update
Competitor Bulletin #10-19: Comprehensive Drive Time Regulations
Competitor Bulletin #10-20: Starting Grid
Competitor Bulletin #10-21: Lime Rock Park Track Configuration
Competitor Bulletin #10-22: Technical Regulations Update
Competitor Bulletin #10-23: MMP Promoter Test Day Clarification
Competitor Bulletin #10-24: Class Adjustments
Competitor Bulletin #10-25: Mid-Ohio Promoter Test Days and Mid-Ohio-LRP Pit Wall
Competitor Bulletin #10-26: Class Adjustments
Competitor Bulletin #10-27: Mosport Pit Lane Rules
Competitor Bulletin #10-28: Post-Race Procedure Penalties
Competitor Bulletin #10-29: Petit Le Mans Technical Specifications
Competitor Bulletin #10-30: Petit Pit Lane Rules
Competitor Bulletin #10-31: Official Fuel Decals
Competitor Bulletin #10-32: Challenge Class Pit Stop Personnel
Competitor Bulletin #10-33: GTC Wicker Update
Competitor Memorandum #10-01: Pre-Season Regulations Preview - Revised 1-7-10
Competitor Memorandum #10-02: Testing Reminder
Competitor Memorandum #10-03: LMPC Xtrac Gearbox Information
Competitor Memorandum #10-04: LMPC Vendor Information
Competitor Memorandum #10-05: 2010 LMPC Tire Details
Competitor Memorandum #10-06: Salt Lake City Event Bulletin
Competitor Memorandum #10-07: Mid-Ohio Testing Information
Competitor Memorandum #10-08: LMPC Amnesty changes and Combined Rules questions
Competitor Memorandum #10-09: Petit Le Mans Information Services Updates and Reminders
Competitor Memorandum #10-10: Petit Le Mans Post Race Logistics Information
PMNA Technical Bulletin 01-2010 GTC for Sebring 12 Hours
 2009 Bulletins
Competitor Bulletin #09-01: 2009 American Le Mans Rules Information Summary
Competitor Bulletin #09-02: Engine Sealing Procedures
Competitor Bulletin #09-03: LM GT2 Class Adjustments
Competitor Bulletin #09-04: Class Adjustments
Competitor Bulletin #09-05: Class Adjustments
Competitor Bulletin #09-06: Engine Sealing Procedure Change
Competitor Bulletin #09-07: ALMS Driver Log Changes
Competitor Bulletin #09-08 - Revised: ALMS STANDING SUPPLEMENTARY REGULATIONS Update
Competitor Bulletin #09-09: Post Sebring Class Adjustments
Competitor Bulletin #09-10: ALMS Challenge Specific Regulations
Competitor Bulletin #09-11: Post Long Beach Class Adjustments
Competitor Bulletin #09-12: American Le Mans Series SSR Update
Competitor Bulletin #09-13: ALMS Challenge Class SSR Update
Competitor Bulletin #09-14: Change in points distribution for Road America Event
Competitor Bulletin #09-15: Pre-LRP Class Adjustments
Competitor Bulletin #09-16: Over the Wall Lime Rock Park and Mid-Ohio
Competitor Bulletin #09-17: Class Adjustments
Competitor Bulletin #09-18: P2 Weight Adjustments
Competitor Bulletin #09-19: Mid-Ohio Tire Revision
Competitor Bulletin #09-20: White Flag
Competitor Bulletin #09-21: ALMS Challenge Schedule
Competitor Bulletin #09-22: Full Course Yellow and Wave by Procedures
Competitor Bulletin #09-23: Class Adjustments
Competitor Bulletin #09-24: Class Adjustments
Competitor Bulletin #09-25: Authorized Fuels Update
Competitor Memorandum #09-02: Testing Rules Update
Competitor Memorandum #09-03: 2009 Timing System Improvements
Competitor Memorandum #09-04: American Le Mans Series Uniform Patch Placement Update
Competitor Memorandum #09-05: Timing Transponders for the Sebring Winter Test
Competitor Memorandum #09-06: Fuel Probe Sensor Clarification
Competitor Memorandum #09-07: ACO Technical and Sporting Regulations Update
Competitor Memorandum #09-08: ALMS Pit Lane Data Distribution System Update
Competitor Memorandum #09-09: ALMS Session Results Sheets Distribution Procedure
Competitor Memorandum #09-10: Reminder regarding ALMS SSR Article 17.6.1.d
Competitor Memorandum #09-11: Mosport Border Crossing Advisory
Competitor Memorandum #09-12: Road America Race Duration Change
Competitor Memorandum #09-13: Commercial Vehicle Operator's Registration for Canada
Competitor Memorandum #09-14: Homologation Update
Competitor Memorandum #09-15: Petit Le Mans Parking Regulations
Competitor Memorandum #09-16: GT2 Scrutineering Reminder
Competitor Memorandum #09-17: 2010 Sebring Winter Test
 2008 Bulletins
Competitor Bulletin #08-01:Prototype Starting Points
Competitor Bulletin #08-02:2008 Testing Regulations
Competitor Bulletin #08-03:Qualifying
Competitor Bulletin #08-04:IMSA "LM" GT Class Sporting Adjustments
Competitor Bulletin #08-05: Class Adjustments
Competitor Bulletin #08-06: Shortcuts, Lime Rock Park
Competitor Bulletin #08-07: Over the Wall, Mid-Ohio
Competitor Bulletin #08-08: Inspection of Fueler's equipment.
Competitor Bulletin #08-09: E-85 restrictor sizes.
Competitor Bulletin #08-10: GT2 Balance of Performance
Competitor Bulletin #08-11
Competitor Bulletin #08-12: IMSA "LM"P Class Sporting Adjustments
Competitor Memo #08-01
Competitor Memo #08-02 Long Beach Competitor Food Service
Competitor Memo #08-03 Mosport Border Crossing Service
Competitor Memo #08-04: Approval for the use of additional Detergent in Series specified fuel
Competitor Memo #08-05: 08-04 Rescinded
 2007 Bulletins
Competitor Bulletin #07-01:IMSA Class Sporting Adjustments
Competitor Bulletin #07-02:Class Sporting Adjustments -- Starting Conditions GT Classes
Competitor Bulletin #07-03:Fuel Energy Balance
Competitor Bulletin #07-04: Official Fuels
Attachment A: Shell V- Power Diesel LM24 Data Sheet
Attachment B: Typical Fuel Properties for IMSA 100/E 10
Competitor Bulletin #07-05: DL2 Data Logger and Universal Mount Installation
Competitor Bulletin #07-06: Prototype Configuration Starting Sebring
Competitor Bulletin #07-07: Tire Allotments
Competitor Bulletin #07-08: Required Decals
Competitor Bulletin #07-09: Reconnaissance Laps & Working Behind the Wall.
Competitor Bulletin #07-10: Pole Position, Long Beach Grand Prix
Competitor Bulletin #07-11: Minimum Weight
Competitor Bulletin #07-12: Drive Time
Competitor Bulletin #07-13: IMSA “LM”GT2 Sporting Adjustments
Competitor Bulletin #07-14: IMSA “LM”GT2 Sporting Adjustments
Competitor Bulletin #07-15: IMSA "LM"P2 Class Specifications
Competitor Bulletin #07-16: Modification of Article 6.11, 2007 IMSA CODE
Competitor Bulletin #07-17: Road America and Mosport Supplementary Regulations Update
Competitor Bulletin #07-18: Diesel Tank Waiver
Competitor Bulletin #07-19: IMSA “LM”P1 Class Sporting Adjustments
Competitor Memo #07-01: IMSA Code and Supplementary Reg's
Competitor Memo #07-02: Guidance for the logistics of the first half of the season.
Competitor Memo #07-03: Fuel Ordering Procedure
Competitor Memo #07-04: Miscellaneous Event Information and Testing Clarification
Competitor Memo #07-05: Penalties following Lime Rock Round of American Le Mans Series
Competitor Memo #07-06: Interlagos (Brazil) Round of the Le Mans Series
Competitor Memo #07-07: Road America Supplementary Regulations and Upcoming Event Logistics Update
Competitor Memo #07-08: VP Fuel
 2006 Bulletins
Competitor Memorandum 06-01: IMSA Sebring Test, January 23rd, 24th and 25th, 2006 - REVISION 2
Competitor Bulletin #06-01: Limits on IMSA Class Sporting Adjustments
Competitor Bulletin #06-02: Balance of Performance - GT1 Class 2006 Season Start
Competitor Bulletin #06-03: Applicability of ACO Specifications
Competitor Bulletin #06-04: Balance of Performance
Competitor Bulletin #06-05: Balance of Performance
Competitor Bulletin #06-06: NOT ISSUED
Competitor Bulletin #06-07: Balance of Performance
Competitor Bulletin #06-08: Balance of Performance, P1
Competitor Bulletin #06-09: Tire Allocation, Round 5 - Miller Motorsports Park
Competitor Bulletin #06-10: Balance of Performance
Competitor Bulletin #06-11: Tire Allocation, Round 6 - Portland
Competitor Bulletin #06-12: Balance of Performance
Competitor Bulletin #06-13: Re: Balance of Performance
Competitor Bulletin #06-14: Re: Balance of Performance
Competitor Bulletin #06-15: Pit, Paddock Equipment and Uniforms
Competitor Memorandum #06-02: Grand Prix of Houston and Mid-Ohio Paddock Parking
Competitor Memorandum #06-03: Pit Stop Supervisor
 2005 Archives
Competitor Bulletin 05-01
Competitor Bulletin 05-02
Competitor Bulletin 05-03
Competitor Bulletin 05-04
Competitor Bulletin 05-05
Competitor Bulletin 05-06
Competitor Bulletin 05-07
Competitor Bulletin 05-08
Competitor Bulletin 05-09
Competitor Bulletin 05-10
Competitor Bulletin 05-11
Competitor Bulletin 05-12
Competitor Bulletin 05-13
Competitor Bulletin 05-14
Competitor Bulletin 05-15
Competitor Bulletin 05-16
Competitor Bulletin 05-17
Competitor Bulletin 05-18
Competitor Bulletin 05-19
Competitor Bulletin 05-20
Competitor Bulletin 05-21
Competitor Bulletin 05-22
Competitor Bulletin 05-23
Competitor Bulletin 05-24
Competitor Memorandum 05-01
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