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how much would you sell a 8 3/4?
#109548
08/24/08 10:19 AM
08/24/08 10:19 AM
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Joined: Jan 2006
Posts: 587
San Clemente, ca
enelson
OP
mopar addict
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OP
mopar addict
Joined: Jan 2006
Posts: 587
San Clemente, ca
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Thinking of upgrading to a dana or more stout 9" in my dart before I go out and blow this one up. I'm paranoid mostly because the 496 is night and day different from the old 383, and I've read too many stories on this board with diff carnage. I posted this on the WiW board and it just sat there, so I figure I'll ask you guys in Q&A  Here's the nuts on it: - Factory cone type posi, new bearings, 742 case - 3.91 gears (make a little noise at cruise, but I hear 3.91's typically are noisy) - Moser axles (not gun drilled super ones) with green bearings - new brakes, I believe 11" (bought backing plates at the pick n pull and all the rest new) What would you ask? Has been well taken care of and hasn't been out to the track yet behind my 496. Like I said I'm paranoid, and don't have a trailer LOL Eric
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Re: how much would you sell a 8 3/4?
[Re: Mopar1]
#109553
08/24/08 05:21 PM
08/24/08 05:21 PM
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Joined: Nov 2004
Posts: 2,234
BFE
vancamp
super street
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super street
Joined: Nov 2004
Posts: 2,234
BFE
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A buddy of mine just picked upo an A body 8.75 with 3.91 gears ready to bolt in already built for $550 I dont know what case it was though.
VanCamp Dent Systems
Paintless Dent Repair/
Mopar Restification
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Re: how much would you sell a 8 3/4?
[Re: Mopar1]
#109554
08/24/08 05:46 PM
08/24/08 05:46 PM
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Joined: Sep 2005
Posts: 12,481
Chino Valley
RodStRace
I Live Here
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I Live Here
Joined: Sep 2005
Posts: 12,481
Chino Valley
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Quote:
The 8.75 came from the factory in some automatic Hemi cars. That in it's self should be a testament as to the strength of the differential.
I used to agree and say they were in front engine TF dragsters behind blown hemis, but you gotta remember that the biggest tire hanging on the ends of them in that B body were maybe 6 inches wide, and the track prep and tire compounds were slippery enough to 
Different ball game today.
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Re: how much would you sell a 8 3/4?
[Re: RodStRace]
#109555
08/24/08 06:13 PM
08/24/08 06:13 PM
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Joined: Jan 2006
Posts: 587
San Clemente, ca
enelson
OP
mopar addict
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OP
mopar addict
Joined: Jan 2006
Posts: 587
San Clemente, ca
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Quote:
I used to agree and say they were in front engine TF dragsters behind blown hemis, but you gotta remember that the biggest tire hanging on the ends of them in that B body were maybe 6 inches wide, and the track prep and tire compounds were slippery enough to
Different ball game today.
This car is nearly 3500 lbs, and I know this 496 makes more than 500 ft lbs of torque, and is built to leave hard (small ports, 250@.050 cam, 10.5:1)
I may be paranoid, but to me its an accident waiting to happen. Also, I will be driving it to the track and back so I don't mind overbuilding a little bit to be sure I can get it home.
As far as racing goes, I will probably do 10-20 races a year once I have things dialed in. This includes wed nights and big events in the spring and fall here. Right now it's WAY to hot in nor-cal for me. I'd rather ride my bike.
I emailed dr diff on this as well, maybe he'll chime in here. I don't doubt it can be done on a 8.75, but I'd rather spend a little bit now to ensure I don't go hard left into the wall .7 sec into my run 
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Re: how much would you sell a 8 3/4?
[Re: Stanton]
#109556
08/24/08 06:16 PM
08/24/08 06:16 PM
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Joined: Jan 2006
Posts: 587
San Clemente, ca
enelson
OP
mopar addict
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OP
mopar addict
Joined: Jan 2006
Posts: 587
San Clemente, ca
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Quote:
I'm going with a 543" stroker and not worried about an 8-3/4 with stock axles. Unless you're beating on it all the time (full race schedule) then it should be fine.
Do you have any upgrades done to yours currently? And also if you don't mind what's your current combo? I half-posted this to see what other people are running. I haven't ruled myself out as being paranoid yet but if I'm going to sell the rear, I think it'd be better of me to do it before I go start hammering on it 
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Re: how much would you sell a 8 3/4?
[Re: wildman340]
#109558
08/24/08 08:16 PM
08/24/08 08:16 PM
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Joined: Jul 2004
Posts: 4,732
Watertown, WI
MikeyT
master
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master
Joined: Jul 2004
Posts: 4,732
Watertown, WI
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Eric Go see Quicktree about 8 3/4 rear ends. He will give you an objective opinion on this matter.....  I'm just kidding, I think $600 to $700 is very fair price Mike
1969 Dodge Dart Swinger
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Re: how much would you sell a 8 3/4?
[Re: wildman340]
#109559
08/24/08 08:47 PM
08/24/08 08:47 PM
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Joined: Jan 2006
Posts: 587
San Clemente, ca
enelson
OP
mopar addict
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OP
mopar addict
Joined: Jan 2006
Posts: 587
San Clemente, ca
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Quote:
In stock form the 9" isn't any stronger than the 8 3/4, so if you want better, then go with the Dana 60. 
yea, I was thinking if I could find an upgraded 9" that would work, that would be a viable alternative to a 60. 60's are kinda rare in small a-body widths though, so I am really feeling like going with the new made to order moser 60 would be the best bet for my money, and my mechanic's labor (me)
Thanks all for the input. I know this is a road many have been down before, and I'd rather lean on those with experience than gain my own the hard way 
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Re: how much would you sell a 8 3/4?
[Re: RobX4406]
#109561
08/24/08 11:37 PM
08/24/08 11:37 PM
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Joined: Jul 2005
Posts: 862
Doo-Dah, KS
440fied
super stock
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super stock
Joined: Jul 2005
Posts: 862
Doo-Dah, KS
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The 8 3/4 is a tough axle to destroy, but a hard hitting 496 will eventually do it with good traction, and enough torque. Put a dana 60 in there, either a Moser, Strange or even a cut down early 70's truck 60 with good internal components, and it will take years abuse from that stroker motor. I would also be concerned about the drive shaft and u-joints, maybe upgrade to a larger diameter driveshaft and 1350 series u-joints with billet yokes from Mancini or someone. 3.91 742 case cone type SG $400 - $450 A-body 8 3/4 housing $150 - $200 Moser a-body axles w/green brngs $100 - $150 11" drum brakes w/new parts $100 - $150 I'd start around $850 to $900 and see what happens, you may have to part it out to maximize your return, a nicely built A-body 8 3/4 shouldn't be that hard to sell. It's easier to come down in price than go back up.  
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Re: how much would you sell a 8 3/4?
[Re: wildman340]
#109566
08/25/08 10:48 AM
08/25/08 10:48 AM
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Joined: Jan 2003
Posts: 6,816
Alton, IL
Dakota_Don
master
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master
Joined: Jan 2003
Posts: 6,816
Alton, IL
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Quote:
In stock form the 9" isn't any stronger than the 8 3/4, so if you want better, then go with the Dana 60.
 or rebuild it with stronger quality parts..
the 8.750 uses less hp then the 9in, and is much lighter then the 60,
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Re: how much would you sell a 8 3/4?
[Re: scratchnfotraction]
#109567
08/25/08 10:49 AM
08/25/08 10:49 AM
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Joined: Jan 2003
Posts: 6,816
Alton, IL
Dakota_Don
master
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master
Joined: Jan 2003
Posts: 6,816
Alton, IL
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Quote:
thats a pile of 8 3/4 rear ends right there,like a stack of history,each ones got a story
never seen 22 in one spot and nicely stack
makes my stack of 3 look small and prob why I cant find none here in FL
i wish i had a stack of 3, lol i have a stack of 1
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