Ford F-150 Repair Question
Rear end gear change
WOULD YOU RECOMMEND REPLACING THE 355 WITH A 308 GEAR ? WHAT IS THE DOWN SIDE OF CHANGING TO A 308 ?
less high speed power and low end power, other then that not really.
10,891 answers provided
If i was you i would leave the 3.55 gears in because your not gonna gain anymore than a couples mpg's but lose alot of bottom end
1 question asked
I second that. Your engine will generally turn at a lower rpm... do a lot more lugging if you go to 3.08's. Keep the 3.55's and the engine will be a lot more efficient by running in it's optimum powerband. You'll have more power to the wheels and get better fuel economy.
2 questions asked