Thinking of going to 410 gear is it worth it or will it kill my mpg.

 

What's in it now and are you auto or manual. I put 3.90s in my new edge and will never look back. And I now get about 20 mpg city and never dropped any highway mpg,still at approx 26 but now it has some umpf in 4th and 5th. Mod motors are efficient in the upper rpms. And gears were the best mod I did next to nitrous. I say go for it. These cars are about smiles per gallon. If your worried about mileage buy a fiesta

www.********** we encourage kill stories

 

It's a bullitt it only comes with a 5 speed