Prototype Invitational


August 8, 2020

Homestead-Miami Speedway

Registration is now open. August can be hot during the day in Florida, so we are racing in the evening. Contact us as soon as possible to inform us of your interest to participate.

SCCA Membership and a Proto-America/SCCA Pro Racing License is required. Forms can be downloaded on the FORMS page.

Call it our own Stimulus Package: We are waiving fees for; Driver and Crew Licenses for all Teams participating in the inaugural Miami Twilight Challenge / Prototype Invitational. See FORMS page.

The Miami Twilight Challenge / Prototype Invitational brought to you by BUD LIGHT is a special one-day event sanctioned by SCCA Pro Racing taking place on Saturday, August 8, 2020 at the Homestead Miami Speedway as part of the Proto-America presented by Pirelli Championship. A 2-hour race for a $100,000 Prize Purse that will be paid at the event. Prize-winning Teams/Drivers will leave the track with cash in hand. This is one of six special challenge events that will be held this year. We have made this event a one-day event to help reduce the hotel and meal costs of our teams.


8 Classes are eligible for the Miami Twilight Challenge / Prototype Invitational Prize Purse 

Proto-1 - All V8 -V6 Prototype normally aspirated, turbo or supercharger.

Proto-2 - All LMP3 homologated Prototypes

Proto-3 - All Prototype four cylinders normally aspirated, turbo or supercharger.

Proto-4 - All Prototype with four cylinders motorcycle engine normally aspirated. 

GT-A - Cars with engine more than 3.6 liters, normally and turbo or supercharger are welcome as well as 4 rotors normally aspirated and three rotors turbo or supercharger full tubular or semi tubular frame permitted, Porsche 4.0 liters, Ferrari 458, Ginetta G55 V8 and all GT3 homologated cars. 

GT-B - Cars with engine more than 3.4 liters up to 3.6 liters,3 rotors normally aspirated and 2.5 liters turbo or supercharger, Ginetta G55 V6 full tube frame permitted and all GT4 homologated cars.

GT-C - Car with engine more than 2.9 liters up to 3.4 liters, normally aspirated and turbo and supercharger up to 2.0 liters including rotary 13B turbo ,BMW with S54 engine.

GT-D - Cars with 4 and 6 cylinders only, cars eligible , 1995-99 BMW E36 M3, Honda V6, Porsche 911-914 air cooler up to 3.2 liters, Mustang V6, Camaro V6, Dodge V6, Audi A4, Porsche 944 3.0 liters, VW Gti 1.8 turbo, Nissan and Supra, Rotary 13B normally aspirated tubular frame permitted.


Miami Twilight Challenge / Prototype Invitational Entry Fees: 

$4,500 (Proto-1 and Proto-2), $3,500 (Proto-3 and Proto-4) $2,500 (all GT classes) includes Proto-America/SCCA Pro Racing driver and crew license fees for up to (6) six per team. Completed SCCA and Proto-America Forms required. See FORMS page. Lunch and dinner provided to all teams.

Entry Deadline: July 20, 2020, Entries received after, add $250

Garages are included for the Event.


Prize Purse - $100,000     PAID AT THE EVENT IN CASH - Prize Purses below are per class

Prize Purse Proto-1&2 *              Prize Purse Proto-3&4 *               Prize Purse All GT *

1st             $10,000                     1st           $7,500                           1st          $5,000

2nd            $5,000                       2nd          $4,000                           2nd        $3,000

3rd             $2,500                       3rd           $2,000                           3rd         $1,500

* Minimum of five cars per class for full prize purse. Less than five in a class pays 50% prize purse for that class.
























Event Schedule: Saturday August 8th

              7:00-11:00        Move in

              8:00-12:00        Tech Open

              10:00-10:30      Driver/Team Manager Meeting

              11:00-12:00      Practice 1

              12:00-1:00        LUNCH  (Subway Subs provided for all teams)         

              1:00-2:00          Practice 2

              2:30-3:15          Qualifying GT

              3:15-4:00          Qualifying Prototype

              4:00-5:30          DINNER  (Dinner provided from Rosita's Mexican Restaurant)

              5:30-6:00          Pre Grid              

              6:00-8:00          Race

              8:00                  Awards Presentation

Tires: Pirelli tires are the exclusive tires for cars entered in the Miami Twilight Challenge / Prototype Invitational. To ensure your correct sizes and quantities, order and reserve your tires soon through Frisby Performance Tire at:  

To Enter your Car/Team in the Miami Twilight Challenge / Prototype Invitational, download the forms on the FORMS page, complete and email the Entry form to:

Send original along with other required forms and payment (check, money order or credit/debit card authorization) to:

     Formula America Group

     Attn: Registration

     3802 Berkshire Way

     Grovetown, GA 30813