Whats it worth ?? 8 3/4 rear end 72 B Body
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Detective D
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Being a 72, it is a late axle and will not internchange with the older cars. It will interchange onto newer cars, like the Cordoba.
Because of this, people can also use a 9.25 out of a later car and get a stronger rear axle and a ton more options/availability for gear sets/parts.
This has a value to someone building a fairly specific year range car and wants to stay original to factory. This means the market for it is not as broad as it could be.
if you are willing to wait to sell it for the right person looking, a good rule of thumb is to take the value of the parts installed, cut it to 2/3's, and then accept an offer somewhere between the half/2/3 mark where you started.
You will never get the cost of new parts out of selling used parts, even if they are still brand new. People will just buy new stuff.
I paid $100 for a 72 8.75 with 3.23 sure grip, no springs, needed all the brakes put on except the back plates that was in good usable condition, but that was 7 years ago. No fancy parts on it though either.
It sits in my shop because I decided to put a $150 9.25 off a junked Cordoba into the car instead with the same gear ratio.
I won't attempt to price your unit with all the nice parts put in it, but thought I would share this from WI.
I had a chart somewhere showing the spring perch and driveshaft length differences for all the mopar axles but heck if i can find it right now.
Because of this, people can also use a 9.25 out of a later car and get a stronger rear axle and a ton more options/availability for gear sets/parts.
This has a value to someone building a fairly specific year range car and wants to stay original to factory. This means the market for it is not as broad as it could be.
if you are willing to wait to sell it for the right person looking, a good rule of thumb is to take the value of the parts installed, cut it to 2/3's, and then accept an offer somewhere between the half/2/3 mark where you started.
You will never get the cost of new parts out of selling used parts, even if they are still brand new. People will just buy new stuff.
I paid $100 for a 72 8.75 with 3.23 sure grip, no springs, needed all the brakes put on except the back plates that was in good usable condition, but that was 7 years ago. No fancy parts on it though either.
It sits in my shop because I decided to put a $150 9.25 off a junked Cordoba into the car instead with the same gear ratio.
I won't attempt to price your unit with all the nice parts put in it, but thought I would share this from WI.
I had a chart somewhere showing the spring perch and driveshaft length differences for all the mopar axles but heck if i can find it right now.
Thanks for the input. I have a complete suspension and drive line for a 71/72 b body ( k frame with all front suspension parts, 383, monster 727, driveshaft and rear assembly )just trying to see what I should do with it all, try to part out or sell all together to the right person
That's 2k all day long. A Dr Diff built center section is minimum $1500 to have one built. Plus springs and disc brakes adds up. Just need to find the right buyer. I would be game on the center section.
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Used parts don't sell fast for hi-$$$'s
even if it has 2 miles on it, or out of the package, installed
it's now used parts, $0.50 cent on the dollar (is pretty std.)
you can ask far more, but it maybe a long time to find the right buyer
at a premium asking price
shipping would be a killer/deal breaker too for most any it's heavy & big stuff,
local pick up/advertsing would be the best probably
489 carriers go for like $500 all day with a Sure Grip, 3.55:1, more in some cases
it's not new now, doesn't matter what they sell for new
(either a 742 68 & earlier & 489 69 & later same deal)
if it has the bigger universals like the 7290 U-joints, that helps too
the housing 71-73 can be had for $200 & less,
(not 100% sure on the 71 -73 longer versions, like 57-5/8"-ish, before the disc., add another 1/2" (?)
again IMO the other 'used parts' maybe 25% - at most used 50%, of their new value
if it's not rare stuff
if any or all of it, is in still good/great or near new condition,
maybe a bit more, may have to sit on them for a while to get a "real buyer"
lots of lookie-lous/tire kickers out there, that say they are worth more (if it's theirs esp.)
but when it comes to them buying, you selling, they'll want it cheap too
everyone wants a deal, be careful of flippers too
does it go with the wheels & tires too ? if so a bit more than too
(in the photo, sorry I'm not in the market just asking)
the disc brakes are a nice perk, a couple hundred $$'s (can get new for about $500 at Summit)
springs have some value too, not a lot, maybe $100+ max
as a package deal, maybe $1,000-$1,200 to the right guy/gal who needs it,
should sell fast
That would be my thinking anyway,
not trying to gouge the public
even if it has 2 miles on it, or out of the package, installed
it's now used parts, $0.50 cent on the dollar (is pretty std.)
you can ask far more, but it maybe a long time to find the right buyer
at a premium asking price
shipping would be a killer/deal breaker too for most any it's heavy & big stuff,
local pick up/advertsing would be the best probably
489 carriers go for like $500 all day with a Sure Grip, 3.55:1, more in some cases
it's not new now, doesn't matter what they sell for new
(either a 742 68 & earlier & 489 69 & later same deal)
if it has the bigger universals like the 7290 U-joints, that helps too
the housing 71-73 can be had for $200 & less,
(not 100% sure on the 71 -73 longer versions, like 57-5/8"-ish, before the disc., add another 1/2" (?)
again IMO the other 'used parts' maybe 25% - at most used 50%, of their new value
if it's not rare stuff
if any or all of it, is in still good/great or near new condition,
maybe a bit more, may have to sit on them for a while to get a "real buyer"
lots of lookie-lous/tire kickers out there, that say they are worth more (if it's theirs esp.)
but when it comes to them buying, you selling, they'll want it cheap too
everyone wants a deal, be careful of flippers too
does it go with the wheels & tires too ? if so a bit more than too
(in the photo, sorry I'm not in the market just asking)
the disc brakes are a nice perk, a couple hundred $$'s (can get new for about $500 at Summit)
springs have some value too, not a lot, maybe $100+ max
as a package deal, maybe $1,000-$1,200 to the right guy/gal who needs it,
should sell fast
That would be my thinking anyway,
not trying to gouge the public
Last edited:
Budnicks , thanks, yes it does have the big u joint 7290 on the chunk, the tires are new also, less than 100 miles on them, I know what you mean about pricing , car guys are fickle, if your selling, it's worth alot, if your buying, it's not worth much
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