new rear end?
#1
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Location: bannock. OH
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new rear end?
i have a 95 f150 with a 5.0 and i plan on putting a 6" lift on it and i want to run 35 inch tires on it, should i change out my rear end? if so what ratio should i go to? thx
#4
Senior Member
Honestly, I'm running 2.47:1 gears with a 33" tires, and other than the lessened acceleration, it does its job. I rarely use 5th gear, unless im on flat highway doing 70, I just run in 4th gear anything over 45 miles an hour cruising on state roads. I can cruise around 45 mph at about 1100 rpms. I can still tow and drive daily with my truck. I've got the 4.9 engine and 2wd. And I can still take off quick if I want to, but due to the lift I get axle hop so I don't try to go crazy.
You probably have a 3.10 or a 3.55 in it now, so I'd leave it be.
You probably have a 3.10 or a 3.55 in it now, so I'd leave it be.
#5
broke white boy
on a tire calc the correct gear ratio for a 35 inch tire to get you back to the factory settings so your spedo will read right and if you have a computer controled auto it will make it right too.
if you have 3.55:1 gears now
would be
drum roll please
4.30:1 gears.
thank you thank you very much.
if you have 3.55:1 gears now
would be
drum roll please
4.30:1 gears.
thank you thank you very much.
Last edited by fordtrucknut; 07-27-2011 at 03:15 PM.
#7
Originally Posted by fordtrucknut
on a tire calc the correct gear ratio for a 35 inch tire to get you back to the factory settings so your spedo will read right and if you have a computer controled auto it will make it right too.
if you have 3.55:1 gears now
would be
drum roll please
4.30:1 gears.
thank you thank you very much.
if you have 3.55:1 gears now
would be
drum roll please
4.30:1 gears.
thank you thank you very much.
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#8
Senior Member
Im running 6" and 35's with factory gears and I have plenty of power and acceleration as long as I stay out of overdrive before 60 I would swap mine but Everything was Done to it when I got it that and no money
#9
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thanks alot for all the help and advice, i think what i might do is go ahead and lift it and if it seems kinda laggy or if it seems im running at high rpm ill change out the rear end then thanx
#10
broke white boy
you'll be running at a low rpm which sounds like a good thing but it will be a turd in the topend