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8 3/4 3rd member

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mopar367

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I have a 741 case older 3rd member, it says 4.89 on the ring gear. Pretty sure its a 4.89 ratio, Its an open carrier. Ill get a picture up tomorrow. Should be a bolt in and go. Would prefer local pickup, but would discuss shipping. $120
 
pics

finally got some photos
 

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Sorry haven't checked the posts in a while. I can see about shipping to Nebraska. What is the thrust spacer you noticed missing?
 
Looks exactly like one I traded for a BBM distributor last year!

In any case these are thrust blocks, the larger one goes into the center of an open or cone type center and the 3pc one is for a clutch type. They are required when using the Timkin tapered axle bearings but removed in many cases when Green axle bearings are used.
 

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It is your old one, just decided to run my 3.23 and that 4.89 is for race use mostly. did it ever have a thrust block, did you remove it?
 
This one didnt take the spacer out as I decided not to try running it, the one in the pic is actually from my Cone type suregrip. If you need this one I dont need it as I run the Greens. These thrust blocks are relatively easy to come by... the button type (which I'll be holding onto) for the clutch type are a little more difficult to come by.

When I picked that chunk up originally I wanted to try the 4.89 gear set... until I checked out an RMP calculator for my tire size! There was no way I could possibly run that with my lil tires! lol

I ended up running 3.55's which I am very happy with for around town and highway.
 
Hopefully ill rebuild my rear axle sometime soon and use green bearings to eliminate the thrust spacer. If i cant sell this chunk it might go well with my big mickey thompsons and the rebuilt 440 I have.
 
I've used the Greens on the street for years without any issues even though many swear by the tested and true Timkins for the street. I dont want to start that conversation on your for sale add... though I prolly boogered it up enough already lol

In any case if you want the spacer I dont mind mailing it out to ya if it will help your sale.

Let me know and good luck!
 
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