World Challenge GT	World Challenge GTS	World Challenge Touring Car
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2008 Technical Bulletins

2008 Participant Bulletins

Sep. 25, 2008, TB#10 Thunderbolt Fuel Sep. 16, 2008, TB#9 GT Competition Adjustments Aug. 15, 2008, TB#8 PRR Changes and GT Comp Adjustments Jul. 31, 2008, TB#7 Parking Procedures and GT Comp Adjustments Jul. 11, 2008, TB#6 Update to Porsche Competition Adjustment WCTB#5 Jul. 10, 2008, TB#5 Competition Adjustments Jun. 4, 2008, TB#4 Competition Adjustments May. 14, 2008, TB#3 PRR Changes and Competition Adjustments Apr. 13, 2008, TB#2 Rule changes and clarifications Feb. 19, 2008, TB#01 Pre-season rule change/clarifications

Nov. 24, 2008, PB#22 Touring Car Suspension Clarification Nov. 13, 2008, PB#21 PRI Trade Show Oct. 23, 2008, PB#20 Summary of TC changes for 2009 Sep. 18, 2008, PB#19 Road Atlanta paddock parking Aug. 27, 2008, PB#18 Detroit Notes and Paddock Parking Aug. 15, 2008, PB#17 Radio Frequency Update and Paddock Info Jul. 31, 2008, PB#16 Road America Quailifying and Detroit Parking Jul. 10, 2008, PB#15 Mosport Radio Licensing Jun. 23, 2008, PB#14 Canadian Border Crossing May. 30, 2008, PB#13 Watkins Glen Items and Canadian Border Crossing (Updated May 30) May. 5, 2008, PB#12 Pre-Race Testing Limitations Apr. 14, 2008, PB#11 Additional Long Beach GP Notes Apr. 9, 2008, PB#10 2nd Test Day at Road America Apr. 8, 2008, PB#9 Notes Regarding In-Car Cameras Apr. 6, 2008, PB#8 Notes for Long Beach GP Mar. 13, 2008, PB#6 Tire use for GT race Mar. 10, 2008, PB#5 Notes for Sebring Mar. 26, 2008, PB#7 Mosport - Detroit Transition Feb. 20, 2008, PB#4 garages at Miller Feb. 9, 2008, PB##3 Contact info Update Jan. 24, 2008, PB#2 Consideration of Mandatory Digital In-car Camera System Jan. 22, 2008, PB#1 Staubli dry break contingency program

2007 Technical Bulletins

2007 Participant Bulletins

Sep. 25, 2007, TB#10 PRR clarifications Aug. 31, 2007, TB#9 series wide weight changes Aug. 17, 2007, TB#8 PRR changes, clarifications, etc. Jul. 14, 2007, TB#7 PRR changes and competion adjustments Jun. 28, 2007, TB#6 PRR changes, TC adjustment May. 8, 2007, TB#5 PRR changes & Competition Adjustments Apr. 7, 2007, TB#4 PRR changes & GT Appendix A change Mar. 12, 2007, TB#3 TB # 3 -2007 – PRR changes, clarifications, etc. Mar. 9, 2007, TB#2 WCTB#2-07 Pre-season PRR changes Feb. 13, 2007, TB#1 Pre-season PRR changes, clarifications

Oct. 9, 2007, PB#14 cancellation of tire test Sep. 14, 2007, PB#12 Pre-Road Atlanta reminders Jul 31, 2007, PB#11 clarification of items from Mid Ohio Jun. 28, 2007, PB#10 PRR clarifications May. 11, 2007, PB#9 Toyo Cup Apr. 26, 2007, PB#8 GT Tire and Race Information for Lowe's Apr. 23, 2007, PB#7 Technical Engineer and VTS sheet Clean Up Mar. 5, 2007, PB#6 Lowe's Motor Speedway Test Feb. 21, 2007, PB#5 Annual Inspections Feb. 13, 2007, PB#4 2007 credential information Feb. 9, 2007, PB#3 Pre-Season Information Feb. 7, 2007, PB#2 Summary of significant changes and clarifications published in 2007 PRR Feb. 7, 2007, PB#1 Series Data System

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