NASA ST and TT Car Classification Form

Super Touring and Time Trial

Car Classification Form 2018 (v2.6)
What Class do you Want to Compete In? *

ST1/TT1 - 6.00:1 ST2/TT2 - 8.00:1 ST3/TT3 - 10.00:1 ST4/TT4 - 12.00:1 ST5/TT5 - 14.00:1
Driver/Team and Car Information
Single Driver or Team? *

Single Driver Team(maximum of two drivers)
Driver Name *

First Name Last Name
Team Name *
Team Driver Name - 1 *

First Name Last Name
Team Driver Name - 2

First Name Last Name
NASA Member Number *
NASA Member Number - Driver 1 *
NASA Member Number - Driver 2 *
Date

- Month - Day Year
NASA Region *
Year *
Make *
Model *
Car Number *
Car Color *
Multiple ECU Maps? *

No Yes
Describe Switching Method *
Email *

Confirmation Email example@example.com
Calculation of Adjusted Weight/Power Ratio (worksheet):

ST5/TT5
Minimum Competition Weight with Driver (lbs) *
Weight Factor(ST5/TT5)
Calculated
Average Chassis Dyno Horsepower (Avg HP) *
Use only whole number
Corrected HP
Calculated
Raw Weight/Horsepower Ratio
Calculated
Adjusted Weight/Horsepower Ratio
Calculated
Selected Class(Top) Weight/Horsepower Ratio
AW/HR
ST5/TT5 Compliant(with the your selection at the top)?
Tires

Tires with a UTQG Treadwear rating 100 or greater +0.3
Brakes

Non-OEM, modified or relocated brake calipers/brackets or rotor diameter -0.2
Suspension

Suspension design utilizing upper “A-arm” or “wishbone” type control arms (front or rear) -0.7 Replace, modify, or remove control arms, camber arms/links, toe arms/links -0.5 Add, replace, or modify a Watts link, Panhard Rod, or Torque Arm -0.5 Non-OEM metallic and/or spherical design replacement suspension bushing modifications on control/camber/toe arms/links, panhard rods, watts links, and torque arms -0.2 Non-OEM shocks/struts with an external reservoir (or piggyback) OR with shaft diameter 40mm or greater -0.7 Increase in track width greater than four (4) inches -0.7
Chassis

OEM Body Type 4-door Sedan or 5-door Wagon originally manufactured as a Production vehicle +0.2 One or more cage bars that penetrate the front bulkhead/firewall -0.3
Body

Single, Flat, Horizontal Front Splitter (no greater than 4”) -0.5 BTM Aero (see 6.1.4) +0.4 Modification of the OEM roof line/shape and/or windshield/frame removal (convertibles only) -0.4 Modification of the floor pan for exhaust clearance only and/or the rocker panel for side exit exhaust only -0.2
Transmission

OEM street-legal model available paddle shift/DCT/SMG or sequential motorcycle gearbox (All classes—no assessment for automatic utilizing torque converter) -0.3
Drivetrain

AWD -0.5 FWD +0.6 Rear-Mid or Rear engine layout (not Front-Mid) -0.4
Mod Factor for Specific Models/Items - ST5/TT5
Check ST5/TT5 rules
Mod Factor Explanation - ST5/TT5
Copy from the rules
Calculation of Adjusted Weight/Power Ratio (worksheet):

ST(1-4)/TT(1-4)
Minimum Competition Weight with Driver (lbs) *
Weight Factor(ST(1-4)/TT(1-4))
Calculated
Average Chassis Dyno Horsepower (Avg HP) *
Use only whole number
Corrected HP
Calculated
Raw Weight/Horsepower Ratio
Calculated
Adjusted Weight/Horsepower Ratio
Calculated
Selected Class(Top) Weight/Horsepower Ratio
AW/HR
ST(1-4)/TT(1-4) Compliant(with the your selection at the top)?
Tire Size

NASA Section Width 266mm or smaller (DOT-approved)Or any currently produced size 245 or smaller +0.6 NASA Section Width 267mm to 282mm (DOT- approved)Or any currently produced size 275 +0.3 Size 9.5” (241mm) or smaller (non-DOT approved) +0.6 Size 10.5” (267mm) to 9.6” (244mm) (non-DOT approved) +0.3
Tire Type

Non-DOT approved tires (ST1/TT1, ST2/TT2, ST3/TT3 Only) -0.5 Tires with a UTQG Treadwear rating 100 or greater +0.3 ST4/TT4 Only: DOT-approved R-comp Autocross tires -1.0
Chassis

Sports racers, “Prototypes”, monocoque race cars (ST1/TT1) -2.5 Sports racers, “Prototypes”, monocoque race cars (ST2/TT2) -3.4 Other Non-Production Vehicle (ST1/TT1, ST2/TT2, ST3/TT3 only) -0.4 OEM Body Type 4-door Sedan or 5-door Wagon originally manufactured as a Production vehicle +0.2
Production Vehicle Body Modifications

Modification of the OEM roof line/shape and/or windshield/frame removal -0.3 Modification of the floor pan for exhaust clearance only and/or the rocker panel for side exit exhaust only -0.2 ST3/TT3 and ST4/TT4 Only: BTM Aero (see 6.3) +0.4
Transmission

ST1/TT1 & ST2/TT2: Dog-ring/straight-cut gears (non-synchromesh), and/or sequential/paddle shift/semi-automatic -0.2 ST3/TT3 & ST4/TT4: OEM street-legal model available paddle shift/ DCT/SMG or sequential motorcycle gearbox -0.3 ST3/TT3: Dog-ring/straight-cut gears (non-synchromesh) -0.6 ST3/TT3: All other sequential/semi-automatic -1.0 ST4/TT4: Dog-ring/straight-cut gears (non-synchromesh) and/or sequential/semi-automatic -1.0
Drivetrain

ST1/TT1, ST2/TT2, & ST3/TT3: AWD -0.3 ST1/TT1, ST2/TT2, & ST3/TT3: FWD +1.0 ST4/TT4: AWD -0.5 ST4/TT4: FWD +0.6
Mod Factor for Specific Models/Items - ST(1-4)/TT(1-4)
Check ST(1-4)/TT(1-4) rules
Mod Factor Explanation - ST(1-4)/TT(1-4)
Copy from the rules
Please Upload Dyno Certification Form, Dyno Printout, and 50 RPM vs HP Data Output Table Printout *

Browse Files
This form accepts multiple files. Scanned or a clear picture of each page is OK(pdf, jpg, and jpeg only) Cancel of
I Certify that I Have Uploaded the Following Mandatory Documents *

Dyno Certification Form Dyno Pull Printout - 3 Pulls 50 RPM vs HP Data Output Table Printout for Average HP Calculations(When Applicable)
Not Compliant(ST/TT-1,2,3,4) *
Not Compliant(ST/TT-5) *
A summary of the form that you can save will be emailed to you upon submission of the worksheet to NASA.
Should be Empty:

Super Touring and Time Trial

Driver/Team and Car Information

Calculation of Adjusted Weight/Power Ratio (worksheet):

Calculation of Adjusted Weight/Power Ratio (worksheet):