They do look similar. Pontiac used a similar logo for their Trans Am Firehawk.
The Firestone Firehawk series was for Showroom stock cars with minor modifications, an endurance series. The cars all ran Firestore Firehawk tires, and had the Firestone logo and the chicken on both sides of the car, and a windshield banner. Later in the series they modified the chicken to include the Firehawk brand name. This series is where the 944 S2 "Super Seven" came from, seven specially prepared cars made just to run the series. In a way, my car was a predecessor to those cars, built with only two options, the sport suspension and the locking differential, no sunroof. And wouldn't you know, they forgot to undercoat it too.
I still need to find the ET Mags sponsor decal that's under the door.