duratec's that came with 4.10s

[jax4bangin]

if ur truck came stock with 4.10 gears, what rpm are u at @65 mph? in 5th gear or overdrive

 

[fordboi415]

That's going to depend on tire size and 5th gear ratio assuming its that same in every ranger/explorer 5spd but it should be anywhere from 2000-2500rpms

 

[jax4bangin]

yea im jus curious to see wat the duratec's with 4.10 gears and stock tires crusing rpm is.. im plannin on puttin in some 4.56s in tomorrow along with my 30" tires and my actual ratio (according to the calculators in the tech library) will be 4 to 1 (4.10)

 

[hmiwb]

My 09 with manual trans and stock tires (225/70R15) turns 2750 @ 70 mph so I would figure its probably about 2500 @ 65 mph

 

[jax4bangin]

My 09 with manual trans and stock tires (225/70R15) turns 2750 @ 70 mph so I would figure its probably about 2500 @ 65 mph

u have the 4.10 rear end right?

 

[m8r8j]

how do you tell what rear end you have???

 

[hmiwb]

Yes, I have the 4.10 rear gear

 

[jax4bangin]

how do you tell what rear end you have???

check the tag on ur differential cover.. its attached to the dif by one of the cover bolts

shudd say a letter or 2 and ur ratio number