Who has upgraded their Final Drive
#1
#3
#4
#5
Registered User
iTrader: (11)
#6
#7
Registered User
iTrader: (11)
Trending Topics
#8
actually the x has 3.3 front fd and 3.5 rear fd. As long as you keep the same ratio difference, I think you would be fine. 3.5 front and 3.7 rear.
So no one has done this in the sedan?
#9
#10
#11
My previous Mustang GT used to cruise at 1900RPM in 5th gear at 80MPH..and get 26-27MPG doing it at the same time.
But i guess it will be fine since 3000RPM is not that excessive
#13
Pushrod engines are differnet than our higher reving DOHC engine. Those pushrod engines in a Grand Prix has its peak torque output at a very low RPM, as opposed to our mid-high RPM peak torque output. Those cars have also have very tall gearing, you could prob do 60mph in 1st gear in the mentioned Grand Prix. They put the tall gears to improve gas mileage by taking advantage of the low end torque. But the disadvantage here is the high RPM power is sacrificed.
Last edited by RADIOGUY21; 01-02-2009 at 01:33 PM.
#14
Registered User
iTrader: (11)
#15
Pushrod engines are differnet than our higher reving DOHC engine. Those pushrod engines in a Grand Prix has its peak torque output at a very low RPM, as opposed to our mid-high RPM peak torque output. Those cars have also have very tall gearing, you could prob do 60mph in 1st gear in the mentioned Grand Prix. They put the tall gears to improve gas mileage by taking advantage of the low end torque. But the disadvantage here is the high RPM power is sacrificed.
Actually my Mustang was a SOHC engine. Redline was 6000RPM. It was a very "importish" motor in the regard it had crap for torque under 2500RPM. If you were going to jump on it, you had to make sure you were at 3000RPM or higher in order for the car to pull. And it would pull hard to redline. It was not like a typical pushrod motor where all it's torque and power were down low. The 4.6L loves to rev and it pulls the hardest at the upper end of the RPM range. I used to hate letting off the gas to shift because the car was pulling so hard near redline.
I'm not trying to compare the motors at all. Wasn't the point of the post. I was just saying it was odd to me how high the car revved at cruising speed on the highway with a 5-spd auto. But then again, i wasn't worried about high RPM's either. I'm sure the car/motor was well engineered for it
Last edited by Mustang5L5; 01-02-2009 at 02:17 PM.