Vehicle Technical Specification Vehicle: Kia Optima Class: GTS Date Issued: 02/27/12 Revision Number: 13 Revision Date: 7/15/2015 Page: 1 of 11 Vehicle Manufacturer: Kia Year and Model: 2011 Optima This specifications form was developed by SCCA Pro Racing and will be used by the TECHNCIAL MANAGER to establish technical compliance for vehicles competing in the SCCA PRO RACING WORLD CHALLENGE series. The TECHNICAL MANAGER can also use, but is not limited to also using the following items to check compliance: Electronic Parts Catalog (EPC), Technical Information System (TIS), and the FIA/ASN Homologation forms (or equivalent documentation). The specifications within this form include all modifications that have been approved by SCCA Pro Racing specifically for the vehicle model(s) and year(s) listed on this page. The parts, specifications and assemblies used shall be those for the unmodified stock vehicle, those permitted within the Pro Racing Regulations (PRR) and/or within this VTS. If the stock parts, specifications and/or assemblies exceed the performance potential of those approved with this form, then the parts, specifications and/or assemblies used shall meet those listed within this form. Refer to SCCA PRR and Appendix A. for rules regarding all vehicle specifications not specifically listed within the VTS. The most current rules can be downloaded from the official website: www.world-challenge.com and look under the “Competitors” section for the latest Technical Bulletins, Participant Bulletins, and Appendix A. The Vehicle Technical Specification sheet is a permissive document. The exact configuration of any modification allowed within this VTS is subject to the approval of the TECHNCIAL MANAGER.
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Vehicle Technical Specification Vehicle: Kia Optima Class: GTS
Date Issued: 02/27/12 Revision Number:
13 Revision Date:
7/15/2015 Page: 1 of 11
Vehicle Manufacturer: Kia
Year and Model: 2011 Optima
This specifications form was developed by SCCA Pro Racing and will be used by the TECHNCIAL MANAGER to establish technical compliance for vehicles competing in the SCCA PRO RACING WORLD CHALLENGE series. The TECHNICAL MANAGER can also use, but is not limited to also using the following items to check compliance: Electronic Parts Catalog (EPC), Technical Information System (TIS), and the FIA/ASN Homologation forms (or equivalent documentation). The specifications within this form include all modifications that have been approved by SCCA Pro Racing specifically for the vehicle model(s) and year(s) listed on this page. The parts, specifications and assemblies used shall be those for the unmodified stock vehicle, those permitted within the Pro Racing Regulations (PRR) and/or within this VTS. If the stock parts, specifications and/or assemblies exceed the performance potential of those approved with this form, then the parts, specifications and/or assemblies used shall meet those listed within this form. Refer to SCCA PRR and Appendix A. for rules regarding all vehicle specifications not specifically listed within the VTS. The most current rules can be downloaded from the official website: www.world-challenge.com and look under the “Competitors” section for the latest Technical Bulletins, Participant Bulletins, and Appendix A. The Vehicle Technical Specification sheet is a permissive document. The exact configuration of any modification allowed within this VTS is subject to the approval of the TECHNCIAL MANAGER.
Vehicle Technical Specification Vehicle: Kia Optima Class: GTS
Date Issued: 02/27/12 Revision Number:
13 Revision Date:
7/15/2015 Page: 2 of 11
1. General Vehicle Description 1.A. Body Type: Sedan 4 door 1.B. Engine Location: Front 1.C. Drive Wheels: Front 1.D. Wheelbase: 1.E. Induction Type: Turbocharged 1.F. Competition Weight: See Appendix A
2.L.9.a. Intermediate Port Matching Allowed: 2.L.9.b. Depth from Face:
2.M. Required Engine Seal Locations
2.M.1. Valve Cover Seal #1:
2.M.2. Oil Pan Seal #2:
2.N. Engine Miscellaneous:
Alternate Exhaust Valve Ferrea Part # E1142 Mahle piston #3010-40019605-000 Carillo rod # HYBKS200YS5757B6H Airbox Kinetic Part #AKSJ02-40-001 Alternate Ex Manifold - Kinetic Part #AKSJ02-60-006 Allow alternate Garrett TR3071R turbo Turbo blow off valve added to charge piping TIAL part # TIL-BOV-007 12/2014 Kinetic serpentine belt 12/2014 Allow Steel Liner sleeves in block no change in bore spacing
Vehicle Technical Specification Vehicle: Kia Optima Class: GTS
Date Issued: 02/27/12 Revision Number:
13 Revision Date:
7/15/2015 Page: 4 of 11
3. Drivetrain
3.A. Transmission 3.A.1. Number of Forward Speeds: 6 3.A.2. Manufacturer: Xtrac 426
3.B. All Wheel Drive System 3.B.1. Transfer Case Manufacturer and Model No.:
Not Applicable
3.B.2. Center Differential Type and Manufacturer: Not Applicable
3.C. Final Drive 3.C.1. Axle Ratio: 3.286 / 3.769
3.D. Drivetrain Miscellaneous
Alternate rear engine mount and transmission mount allowed with Xtrac transmission. Alternate diameter clutch disc, 5.25” allowed with Xtrac transmission. Notch LHS fwd chassis rail allowed with Xtrac transmission.
4. Suspension 4.A. Suspension Type: 4.A.1. Front: MacPherson Strut 4.A.1. Rear: Multi link
4.B. Suspension Miscellaneous
. Alternate Outboard Bearing Clevis - Front Lower Control Arm - Kinetic Part # AKSJ02-10-023 Alternate Outboard Track rod Pin and Upright / knuckle Modification- Kinetic part # ASKJ02-10-029/030
Front Lower Control Arm - Add roll bar drop link pick up bush– Kinetic Part # AKSJ02-10-027 / 028 Rear Toe Link - Kinetic Part # AKSJ02-20-023 Arm Rear Suspension Lower - Add roll bar drop link pick up clevis to stock component adjustment method to outboard point – Kinetic Part # AKSJ02-20-035 / 036 Trailing Arm – Strengthening plate added to stock component– Kinetic Part # AKSJ02-20-015 / 016 Coil over rear spring - no mods required Rear subframe – Additional gusseting added for strengthening to stock component
Front Camber adjustment method on front strut using eccentric bushes
Vehicle Technical Specification Vehicle: Kia Optima Class: GTS
Date Issued: 02/27/12 Revision Number:
13 Revision Date:
7/15/2015 Page: 5 of 11
Allow Rear bumpsteer spacer kit Kinetic Kia part #AKSJ02-20-021/022
5. Chassis 5.A. See Technical Department for information
5.B. Chassis Miscellaneous
ATL fuel cell installation in stock location - Modification to rear seat area required for fitment Aftermarket pedal box installation brake & clutch - using stock pedal position Tilton 72-902 Exhaust - Side Exit Rear Caliper & Disc upgrade - Brembo Caliper Part # XA8U241 Brembo Part # 09.A261.50 380mm front brake rotors allowed Brembo BRE09.8528.74/84 or pro system Ror.910047/48 Clearance notch required on rear chassis rail for suspension rear arm
6. Body 6.A.1. Stock Coefficient of Drag: 6.A.2. Total Frontal Area:
6.B. Maximum Body Overhang: 2.B.1. Front: 2.B.2. Rear:
6.C. Stock Body Materials:
6.D. Maximum Body Width at Front Wheelhouse:
72.5”
6.E. Maximum Body Width at Rear Wheelhouse:
72.25”
6.F. Permitted Rear Wing Design:
6.F. Body Miscellaneous:
Carbon Hood w/Louvre - Kinetic Part # AKSJ02-40-003 Intercooler Inlet Duct - Kinetic Part #AKSJ02-40-010 Intercooler Exit Duct - Kinetic Part #AKSJ02-40-011 Radiator Inlet Duct - Kinetic Part #AKSJ02-40-012 Rear Wing Assy- Kinetic Part #AKSJ02-47-001
Vehicle Technical Specification Vehicle: Kia Optima Class: GTS
Permitted Cam Tolerances Camshafts used for this car must meet the specifications above within the following tolerances:
Duration at the seat (From 0.020” lift to 0.030” lift) +/- 6.5 degrees Duration on flank (From 0.100” lift to 0.100” before maximum lift) +/- 4.0 degrees Duration over nose (From 0.100” before maximum lift up to maximum lift) +/- 6.0 degrees Maximum Lift (This tolerance applies to maximum lift only) +/- 0.005 in (0.127 mm)
Vehicle Technical Specification Vehicle: Kia Optima Class: GTS
Date Issued: 02/27/12 Revision Number:
13 Revision Date:
7/15/2015 Page: 7 of 11
VTS request :- Initial VTS Description
Alternate Exhaust Manifold - Kinetic Part #AKSJ02-60-006
Approval Date mm/yy VTS request :- Initial VTS Description
Allow alternate Garrett TR3071R turbo
Turbo blow off valve added to charge piping – Tial Part # TIL-BOV-007
Vehicle Technical Specification Vehicle: Kia Optima Class: GTS
Date Issued: 02/27/12 Revision Number:
13 Revision Date:
7/15/2015 Page: 8 of 11
Approval Date 02/15 VTS request :- Kinetic Serpentine belt design
Carbon Hood
Trailing arm weldment
Vehicle Technical Specification Vehicle: Kia Optima Class: GTS
Date Issued: 02/27/12 Revision Number:
13 Revision Date:
7/15/2015 Page: 9 of 11
Rear bumpsteer kit
Pedal assembly
Rear subframe gussets Rear suspension arm adjuster
Vehicle Technical Specification Vehicle: Kia Optima Class: GTS
Date Issued: 02/27/12 Revision Number:
13 Revision Date:
7/15/2015 Page: 10 of 11
rear toe link Rear Wing
Side exhaust
Vehicle Technical Specification Vehicle: Kia Optima Class: GTS