NASA ST/TT Car Classification Form

Super Touring and Time Trial

Car Classification Form 2019 (v3.3)
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 ST6/TT6 - 18.00:1
Calculation of Adjusted Weight/Power Ratio (worksheet):

ST1-4/TT1-4
Minimum Competition Weight with Driver (lbs) *
Weight Factor (ST1-4/TT1-4)
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
ST1-4/TT1-4 Compliant(with the selection at the top)?
Tire Size (ST1-3/TT1-3) *

NASA Section Width 266mm or smaller (DOT-approved) +0.6 NASA Section Width 267mm to 282mm (DOT- approved) +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 Not Applicable
Tire Size (ST4/TT4) *

NASA Section Width 266mm or smaller (DOT-approved) +0.6 NASA Section Width 267mm to 282mm (DOT- approved) +0.3 Not Applicable
Tire Type (ST1-3/TT1-3) *

Non-DOT approved tires (ST1/TT1, ST2/TT2, ST3/TT3 Only) -0.5 Tires with a UTQG Treadwear rating 100 or greater +0.5 Not Applicable
Tire Type (ST4/TT4) *

Tires with a UTQG Treadwear rating 100 or greater +0.5 DOT-approved R-comp Autocross tires (examples: A6, A7, DOT Wet, R1S, RS AC, Z214-C90/91) -1.0 Not Applicable
Chassis (ST1/TT1) *

Sports racers, “Prototypes”, monocoque race cars (ST1/TT1) -2.5 Other Non-Production Vehicle (ST1/TT1, ST2/TT2, ST3/TT3 only) -0.4 Not Applicable
Chassis (ST2/TT2) *

Sports racers, “Prototypes”, monocoque race cars (ST2/TT2) -3.4 Other Non-Production Vehicle (ST1/TT1, ST2/TT2, ST3/TT3 only) -0.4 Not Applicable
Chassis (ST3/TT3) *

Non-Production Vehicle (ST1/TT1, ST2/TT2, ST3/TT3 only) -0.4 Not Applicable
Production Vehicle Body Modifications (ST1-2/TT1-2) *

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 Not Applicable
Production Vehicle Body Modifications (ST3-4/TT3-4) *

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 BTM Aero (see 6.3) +0.4 Not Applicable
Transmission (ST1-2/TT1-2) *

ST1 & ST2: Dog-ring/straight-cut gears (non-synchromesh),and/or sequential/paddle shift/semi-automatic -0.2 Not Applicable
Transmission (ST3/TT3) *

OEM street-legal model available paddle shift/DCT/SMG or sequential motorcycle gearbox -0.3 Dog-ring/straight-cut gears (non-synchromesh) -0.6 All other sequential/semi-automatic -1.0 Not Applicable
Transmission (ST4/TT4) *

OEM street-legal model available paddle shift/DCT/SMG or sequential motorcycle gearbox -0.3 Dog-ring/straight-cut gears (non-synchromesh) and/orsequential/semi-automatic -1.0 Not Applicable
Drivetrain (ST1-3/TT1-3) *

AWD -0.3 FWD +1.0 RWD
Drivetrain (ST4/TT4) *

AWD -0.5 FWD +0.6 RWD
Additional Mod Factor for Specific Models/Items (ST1-4/TT1-4)
Check (ST1-4/TT1-4) rules
Mod Factor Explanation (ST1-4/TT1-4)
Copy from the rules
Adjusted Weight/Horsepower Ratio
Calculated
Calculation of Adjusted Weight/Power Ratio (worksheet):

ST5-6/TT5-6
Minimum Competition Weight with Driver (lbs) *
Weight Factor (ST5-6/TT5-6)
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
ST5-6/TT5-6 Compliant(with the selection at the top)?
Tires (ST5-6/TT5-6) *

Tires with a UTQG Treadwear rating 100 or greater +0.5 Not Applicable
Brakes (ST5-6/TT5-6) *

Non-OEM, modified or relocated brake calipers/bracketsor rotor diameter -0.2 Not Applicable
Suspension (ST5-6/TT5-6) *

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 (includes replaced, modified, adjustable, or altered control arm ball joints) -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 Not Applicable
Chassis (ST5-6/TT5-6) *

One or more cage bars that penetrate the front bulkhead/firewall -0.3 Not Applicable
Body (ST5/TT5) *

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 Not Applicable
Body (ST6/TT6) *

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 Single rear wing or spoiler -1.0 Not Applicable
Transmission (ST5-6/TT5-6) *

OEM street-legal model available paddle shift/DCT/SMG or sequential motorcycle gearbox -0.3 Not Applicable
Drivetrain (ST5-6/TT5-6) *

AWD -0.5 FWD +0.6 Rear-Mid or Rear engine layout (not Front-Mid) -0.4 RWD
Mod Factor for Specific Models/Items (ST5-6/TT5-6)
Check (ST5-6/TT5-6) rules
Mod Factor Explanation (ST5-6/TT5-6)
Copy from the rules
Adjusted Weight/Horsepower Ratio
Calculated
Driver/Team and Car Information
What Series are You Competing In? (may select both) *

Time Trial Super Touring Endurance Racing
Driver/Team Name *

First Name Last Name
NASA Region *
Email *

Confirmation Email
Year *
Make *
Model *
Car Number *
Car Color *
Multiple ECU Maps? *

No Yes
Describe Switching Method *
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)
A summary of the form that you can save will be emailed to you upon submission of the worksheet to NASA. Preview/Submit option is only available if the Adjusted Weight/Horsepower ratio is compliant with the selection on the top.
Should be Empty:

Super Touring and Time Trial

Calculation of Adjusted Weight/Power Ratio (worksheet):

Calculation of Adjusted Weight/Power Ratio (worksheet):

Driver/Team and Car Information