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Re: Stripping Down an 8 3/4
[Re: BigBlockMopar]
#1633631
06/15/14 12:13 PM
06/15/14 12:13 PM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
OP
I got lucky at Woodward!
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OP
I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
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Quote:
Remove all the nuts, Tap the snout of the housing left & right with a rubber hammer or large block of wood. This will break the bond of the gasket and the 3rd member can be lifted right out.
For 'easy' carrying of the 3rd member, put the U-bolt of an exhaust clamp through the top bolthole nearest to the large gear and thread a nut on it so it won't slip out.
This way you'll have a nice balanced handle to lift the 3rd member by and carry it around, posing to the chicks across the street or something. 
I believe I have a rubber mallet at home. Lol. I mean, I can almost carry the whole differential drum-to-drum by myself, I can't see why I can't do a carrier. 
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Prepping an 8 3/4 for Paint or Powdercoating
[Re: MuuMuu101]
#1633634
06/18/14 12:47 AM
06/18/14 12:47 AM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
OP
I got lucky at Woodward!
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OP
I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
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I got it out. I was able to get a large enough gap to slide a screwdriver through and then just kept inching it with more screwdrivers till I was able to pull it off. Now it's time to prep it for paint or powdercoating. Which would be better and what's the best way of cleaning all the oil from it?
Last edited by MuuMuu101; 06/18/14 01:10 AM.
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Re: Prepping an 8 3/4 for Paint or Powdercoating
[Re: MuuMuu101]
#1633635
06/18/14 05:39 PM
06/18/14 05:39 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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A car wash wand would be a very good start for the cleaning, especially the inside (get them seals out of there first which I assume you have done/just checking)
live every 24 hour block of time like it's your last day on earth
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Re: Prepping an 8 3/4 for Paint or Powdercoating
[Re: RapidRobert]
#1633636
06/18/14 07:33 PM
06/18/14 07:33 PM
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Joined: Jan 2003
Posts: 4,323
NY NY
340duster340
master
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master
Joined: Jan 2003
Posts: 4,323
NY NY
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If you powder coat it make sure they do not blast inside the housing or hit the gasket surfaces with the sand blaster.
Personally, I Prefer paint over coating suspension parts because it can be touched up.
1966 Dart GT
...down to only 1 mopar for the first time in 15 years!
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Re: Prepping an 8 3/4 for Paint or Powdercoating
[Re: MuuMuu101]
#1633640
06/19/14 01:51 AM
06/19/14 01:51 AM
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Joined: Aug 2003
Posts: 12,291
Kent, Wa
340SHORTY
Truck Nut
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Truck Nut
Joined: Aug 2003
Posts: 12,291
Kent, Wa
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The seals are just inside of where the bearing fit..
I am truckless..
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Re: Prepping an 8 3/4 for Paint or Powdercoating
[Re: MuuMuu101]
#1633641
06/19/14 10:56 PM
06/19/14 10:56 PM
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Joined: Jan 2007
Posts: 7,664
IN
ahy
master
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master
Joined: Jan 2007
Posts: 7,664
IN
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Quote:
Ok, so paint is better the powdercoating. That's good because it's something I can do myself and not have to wait or pay someone to do. Now, is it better to clean and paint the outside of the housing before assembly or after? Also, where are the seals and how do I remove them? Thanks for all your help. 
Lots of ways to remove the seals. A long wood dowel or broom stick from the opposite side works well with no scratches.
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Re: Prepping an 8 3/4 for Paint or Powdercoating
[Re: ahy]
#1633642
06/20/14 02:34 AM
06/20/14 02:34 AM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
OP
I got lucky at Woodward!
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OP
I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
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Quote:
Quote:
Ok, so paint is better the powdercoating. That's good because it's something I can do myself and not have to wait or pay someone to do. Now, is it better to clean and paint the outside of the housing before assembly or after? Also, where are the seals and how do I remove them? Thanks for all your help.
Lots of ways to remove the seals. A long wood dowel or broom stick from the opposite side works well with no scratches.
So just stick the broom stick through one side to knock out the opposing seal on the other side?
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Re: Prepping an 8 3/4 for Paint or Powdercoating
[Re: MuuMuu101]
#1633643
06/20/14 03:28 AM
06/20/14 03:28 AM
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Joined: Mar 2011
Posts: 1,662
Cut and Shoot, TX
kentj340
top fuel
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top fuel
Joined: Mar 2011
Posts: 1,662
Cut and Shoot, TX
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On mine I'll chemically remove the rust, but what's the best way to fill the rust pits?
If you don't see two dolphins, you need a vacation.
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Re: Prepping an 8 3/4 for Paint or Powdercoating
[Re: kentj340]
#1633645
06/20/14 09:29 AM
06/20/14 09:29 AM
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Joined: Jun 2005
Posts: 5,138
Western Md.
skicker
"The Champ"
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"The Champ"
Joined: Jun 2005
Posts: 5,138
Western Md.
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High build primer will work but its a lot of material. I used one of the layered sandpaper wheels on a grinder to minimize the pitting, then followed it up with a skim of body putty. Prime it good, sand and paint. Gloss black sucks to work with on suspension parts. Use a nice satin black paint and it will always look good. I had mine mixed up at a local paint store and then put into spray bombs. I used spray on bed liner on the one in my other car. I'm not sure I don't like it better than the painted one. 
...FAFO...
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Re: Prepping an 8 3/4 for Paint or Powdercoating
[Re: skicker]
#1633646
06/20/14 11:28 AM
06/20/14 11:28 AM
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Joined: Jan 2006
Posts: 166
MINNESOTA
BRONZEBEE
member
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member
Joined: Jan 2006
Posts: 166
MINNESOTA
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Take it to an engine shop and have them clean it, it will be clean inside and out. Local engine shop charged me $20 couple years ago. If you sandblast it for powder coating you will never get all the all the sand out! with out cleaning it first. 
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Re: Prepping an 8 3/4 for Paint or Powdercoating
[Re: kentj340]
#1633647
06/20/14 07:39 PM
06/20/14 07:39 PM
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Joined: Jan 2007
Posts: 7,664
IN
ahy
master
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master
Joined: Jan 2007
Posts: 7,664
IN
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Quote:
On mine I'll chemically remove the rust, but what's the best way to fill the rust pits?
Agree the primer will fill pits. Sand and use rust stop primer first then high build. Sand and prime and sand again until it is as smooth as you want it. Satin looks good and is pretty forgiving. Agree stay away from flat.
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Re: Prepping an 8 3/4 for Paint or Powdercoating
[Re: MuuMuu101]
#1633649
06/22/14 04:36 PM
06/22/14 04:36 PM
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Joined: Mar 2011
Posts: 1,662
Cut and Shoot, TX
kentj340
top fuel
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top fuel
Joined: Mar 2011
Posts: 1,662
Cut and Shoot, TX
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The original housing was painted at the factory naked, because you can see paint overspray inside. After that the unpainted backing plates, backing plate fasteners, and pig were mounted.
The backing plates and fasteners on my '69 8 3/4 are phosphated, not painted. And, of course, the original pig was bare and unpainted.
If you don't see two dolphins, you need a vacation.
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