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how to buy an axle

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showmeburb86

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In looking to buy a 14bff to replace the corp. 10b on my 86 sub, what all do I need? Do I need drums and all? If I go to a junk yard and find one on a burb, what all should I take home with me? Just unbolt the springs, schocks, etc and drag it all home?

Dumb question I'm sure: Do the front and rear gear ratios need to be the same?
 
get the u-bolt plates. they are bigger then the 10 bolt ones you have now. get the front axle to so the rations match or you can at least swap the 8 lug hubs.
 
broc944 said:
As far as I am aware of, you will not find a 14bff on a Burb.
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well thats bad news, lol
I'm buying a 14ff out of a burb from JP0863 in the next couple of days.
;)

-Avery
 
broc944 said:
I stand corrected. I thought only 14BSF are to be found under stock Burbs.
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New ones, yes. Older ones -- obviously 3/4's -- came with the FF.

-- A
 
broc944 said:
What is the cutoff year between FF and the switch to SF?
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Sheeeeit, I *knew* you were gonna ask. I was gonna put in there "sometime" to be more precise =))

It's like early 80's, I think. I know my '90 Burb had the SF, and the late 70's ones had the FF.

Might also depend on GVWR, and phase of the moon.

-- A
 
showmeburb86 said:
In looking to buy a 14bff to replace the corp. 10b on my 86 sub, what all do I need? Do I need drums and all? If I go to a junk yard and find one on a burb, what all should I take home with me? Just unbolt the springs, schocks, etc and drag it all home?

Dumb question I'm sure: Do the front and rear gear ratios need to be the same?
Click to expand...
it is ABSOLUTELY important to have the gears the same. only thing is that, for instance, a front gear ratio of 4.11 and a rear of 4.10 is ok. apparently being off by a hundredth isn't a big deal. they were available stock like this (its what i'm currently running). don't know if, for example, the 3.73's are 3.74's up front or any other combination of gear ratio.
 
Burbs with the BBC or Diesel will probably have the FF. You don't have to have a Burb axle, one from a 3/4 ton truck will work. A 1-ton FF will have the spring mounts in a different location. You are going to want one from a non IFS truck too (pre-87 in trucks, 91 in burbs and Crew cabs). 88-91 or so has a reinforced ribbed pinion support, but this is not really a big deal. I would look for one off of a 4x4, as the 2WD axles may be a bit narrower. You may want to measure just to be sure. The easiest way might be to scan the classifieds here at CK5 until you find one close to you, or post a wanted ad. Should be able to get one for anywhere from $100-$500 bucks, depending on condition, etc. I would look for one with an open carrier so that you can put a detroit locker in it. Also, depending on the condition of the drum brakes you may want to consider a disk brake swap, particularly if your rig is an automatic.
 
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