Hey everybody. I’m new to the classic Mustang world. I just bought a 66 with a 347 Stroker. The car has sat for several months with the previous owner who said he kept the fuel below a quarter tank. I put 6 gallons of 92 octane in it after I purchased it. The car ran ok at lower speeds and started backfiring a little at highway speeds especially when I gave it a bit more accelerator. After about 20 minutes of driving at highway speeds I hit traffic and it was stop and go. After 5 or so minutes of stop and go traffic it stalled. I was not able to fire it back up. Had it towed home and am curious as to where I should start my troubleshooting. Any help would be greatly appreciated.