I put the same size on the rear as well(305-35-20) and according to GPS my speedometer is reading 3mph slow according to the digital dash. At 72 I'm actually going 75. I've only got a 3.15 rear gear(19 GT Premium) and the 10 speed auto. My biggest thing is if the car is shifting optimally at the...
You will absolutely love e85! I bought a 19 premium GT 401a last week and I'm definitely getting an e85 tune very soon. Had it on my 18 and it felt like a completely different car.
Bryan from Wapakoneta, Ohio here. Just bought this 19 premium 401a GT in velocity blue a week ago. Traded in my 18 6 speed mainly due to the junk transmission but my wife and I love all the bells and whistles that this car has.
Thanks. I know it was a dumb question but figured I'd go ahead and be dumb lol. Taking my bone stock 19 to the track tonight. It'll hit its 500th mile there.
I read somewhere that I do not need to put in a computer code for 18 to 19 Mustangs when ordering a tuner. Is this true or not? I'm at work and feel like ordering parts. NEED E85!