4.10 vs 4.11 gear ratio (1 Viewer)

[bull]

I need to put to rest a thought I had the other day. I'm putting a e-locker in my front axle and want to know a thing or two about a thing or two...

80s diff gear ratio is 4.10

1978 diff gear ration is 4.11


They look different on paper...but are they really?

 

[woody]

.01 is a common difference.....being even .03+ off was common for many, and won't effect offroadability (9" versus D44, etc)

 

[theo]

They look different on paper...but are they really?

Ring gear # of teeth / Pinion gear # of teeth

37/9 vs 41/10

I once heard that Willys used to put higher gears in the front diff so it would tend to pull the front end a little faster than the rear. Keep it pointed. Couldn't find any evidence though.

 

[bull]

So it's ok...I'm ok and we are ok? Simple mathmatics states it shouldn't matter, but I have learned not to be so logical. Thanks for the replies..

 

[pappy]

I hope it doesn't matter. That's exactly what I'm doing.

 

[Fast Eddy]

I hope it doesn't matter. That's exactly what I'm doing.

It's a difference of about 1" per revolution with 33s. I think it will be fine.

 

[dieselcruiserhead]

I ran a 4.1 in ond diff and 4.11 in the other on my last LC, did not make a difference whatsoever..

 

[spotcruiser]

I thought about that too, Rodney, but figured the difference was too small to be of concern. How is the install going?

Todd.

 

[projektdotnet]

IIRC only while locked in 4wd on pavement would it make even the slightest of differences period?
Also please post up a good writeup when you're done i'm still trying to decide which way to go with locking mine this winter

 

[dieselcruiserhead]

I guess the difference in tires and from inflation and deflation can be something like upto .05 in gear ration difference. There is a famous ford that is a 3.54 in the front and 3.50 in the rear.. Less than 4.10 and 4.11 if you get my drift.. Sereiously, on or off payment, it is all a non issue that I wouldn't put much thought into.. I asked this same question years ago before my install on Pirate, and got the same exact response I have now just posted, and they were all right..