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cleaining the inside of a 8.75 housing #1343452 11/30/12 01:41 PM 11/30/12 01:41 PM
Joined: Sep 2006 Posts: 3,011 Sac, CA M mopowers OP master
mopowers OP master M Joined: Sep 2006 Posts: 3,011 Sac, CA	I've got a 8.75 house that is all rusty and scaly on the inside. I can wire wheel the outside, but what the easiest way to clean out the inside to get it ready for assembly??? The local machine shop wants $40 to hot tank it. Will hot tanking it get rid of the rust and scale? Would it be worth the $40??? Can I pre-treat it with something to make sure to comes out clean???? Any ideas????

Re: cleaining the inside of a 8.75 housing [Re: mopowers] #1343453 11/30/12 04:52 PM 11/30/12 04:52 PM
Joined: Apr 2006 Posts: 4,220 West Plains, MO DrCharles master
DrCharles master Joined: Apr 2006 Posts: 4,220 West Plains, MO	You could soak it with one of the rust converter products (phosphoric acid solution), but you'd have to plug the axle tube ends carefully, and keep sloshing/turning. Could take a while now that it's colder, too. That much Ospho (or similar) would probably cost more than the $40. I'd just have it tanked.

Re: cleaining the inside of a 8.75 housing [Re: DrCharles] #1343454 11/30/12 05:24 PM 11/30/12 05:24 PM
A Anonymous Unregistered
Anonymous Unregistered A	Easiest way to go is just to have it acid dipped.

Re: cleaining the inside of a 8.75 housing [Re: ] #1343455 11/30/12 05:57 PM 11/30/12 05:57 PM
Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio Challenger 1 Too Many Posts
Challenger 1 Too Many Posts Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio	Quote: Easiest way to go is just to have it acid dipped. Acid dipped in California? I'd pressure wash all the grease and oil off of it in and out and then sand blast it in and out. Then paint the outside and after it's dry I would pressure wash the inside to remove any sand. Then your ready for assembly and gear oil. Or look for another housing...

Re: cleaining the inside of a 8.75 housing [Re: Challenger 1] #1343456 11/30/12 06:22 PM 11/30/12 06:22 PM
Joined: Jan 2003 Posts: 27,471 So Cal autoxcuda Too Many Posts
autoxcuda Too Many Posts Joined: Jan 2003 Posts: 27,471 So Cal	Quote: Quote: Easiest way to go is just to have it acid dipped. Acid dipped in California? I'm pretty sure the petroleum based hot tanks that repair shops of yesteryear had are banned here. (elsewhere too?) All the repair shops here have aqueous based hot washing tanks with high pressure sprayers that revolve around the part. But I think there are special places in California that dip car bodies to remove paint and rust. So I'd think those places would do a rear end housing. Maybe they advertise in Drive Magazine?? I know they acid dip for removal of metal (chemical machining) still here in So Cal. I think it's used in the aircraft industry. Don't know if they would do a project like this though.

Re: cleaining the inside of a 8.75 housing [Re: mopowers] #1343457 11/30/12 06:50 PM 11/30/12 06:50 PM
Joined: Oct 2005 Posts: 8,882 Ontario, Canada S Stanton Don't question me!
Stanton Don't question me! S Joined: Oct 2005 Posts: 8,882 Ontario, Canada	I would think finding another housing would be easier and cheaper !!!

Re: cleaining the inside of a 8.75 housing [Re: Stanton] #1343458 11/30/12 07:03 PM 11/30/12 07:03 PM
Joined: Jan 2003 Posts: 42,714 Spokane Washington ScottSmith_Harms Mr Wizzard
ScottSmith_Harms Mr Wizzard Joined: Jan 2003 Posts: 42,714 Spokane Washington	that's a perfect job for vinegar based rust removal. there are several posts on moparts describing the process it takes a lot of vinegar but it is cheap

Re: cleaining the inside of a 8.75 housing [Re: ScottSmith_Harms] #1343459 11/30/12 07:41 PM 11/30/12 07:41 PM
Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central RobX4406 I Live Here
RobX4406 I Live Here Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central	Maybe shot blast the inside of the tubes? Hot tanks out here don't do much if anything to rust. The vinegar would work too. Get a piece of 5-8" diameter PVC, large enough to stand the tube up and do it one tube at a time. That way you don't have a huge vat of the stuff and it also minimizes the amount of vinegar/lemon juice/salt that you need.

Re: cleaining the inside of a 8.75 housing [Re: mopowers] #1343460 11/30/12 08:03 PM 11/30/12 08:03 PM
Joined: Jan 2003 Posts: 25,881 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,881 Rio Linda, CA	Just glass bead or sandblast the interior then wash it out thoroughly with soap and water then blow dry. I've done it many times and then painted the interior with Rustoleum Red Primer or Glyptol. The INTERNET, the MISinformation superhighway

Re: cleaining the inside of a 8.75 housing [Re: John_Kunkel] #1343461 11/30/12 08:56 PM 11/30/12 08:56 PM
Joined: Sep 2006 Posts: 3,011 Sac, CA M mopowers OP master
mopowers OP master M Joined: Sep 2006 Posts: 3,011 Sac, CA	I found a local blasting facility that is sand blasting the inside for $40. Heck of a deal if you ask me!!!

Re: cleaining the inside of a 8.75 housing [Re: mopowers] #1343462 11/30/12 10:13 PM 11/30/12 10:13 PM
Joined: Jan 2008 Posts: 1,300 Washington 19cuda73 pro stock
19cuda73 pro stock Joined: Jan 2008 Posts: 1,300 Washington	Quote: I've got a 8.75 house that is all rusty and scaly on the inside. I can wire wheel the outside, but what the easiest way to clean out the inside to get it ready for assembly??? The local machine shop wants $40 to hot tank it. Any ideas???? I would hot tank! 40$ is money well spent. Napa did this manifold and it came out looking like new 7483456-IMG_0410[1].JPG (59 downloads) 1966 Charger 383 4 speed (Black with Red interior) 1973 Cuda 340 4 speed (Lemontwist) 1972 Corvette

Re: cleaining the inside of a 8.75 housing [Re: 19cuda73] #1343463 11/30/12 10:15 PM 11/30/12 10:15 PM
Joined: Jan 2008 Posts: 1,300 Washington 19cuda73 pro stock
19cuda73 pro stock Joined: Jan 2008 Posts: 1,300 Washington	After It cost $25 7483460-IMG_0467[1].JPG (118 downloads) 1966 Charger 383 4 speed (Black with Red interior) 1973 Cuda 340 4 speed (Lemontwist) 1972 Corvette

Re: cleaining the inside of a 8.75 housing [Re: 19cuda73] #1343464 11/30/12 11:17 PM 11/30/12 11:17 PM
Joined: Jan 2003 Posts: 27,471 So Cal autoxcuda Too Many Posts
autoxcuda Too Many Posts Joined: Jan 2003 Posts: 27,471 So Cal	Quote: Quote: I've got a 8.75 house that is all rusty and scaly on the inside. I can wire wheel the outside, but what the easiest way to clean out the inside to get it ready for assembly??? The local machine shop wants $40 to hot tank it. Any ideas???? I would hot tank! 40$ is money well spent. Napa did this manifold and it came out looking like new That is without ANY follow up bead blasting? Nice! What sort of cleaning tank did they use to get that? Can they still do the old fashioned caustic chemical hot dip like the old days in other states??

Re: cleaining the inside of a 8.75 housing [Re: autoxcuda] #1343465 12/01/12 01:12 AM 12/01/12 01:12 AM
Joined: Jun 2003 Posts: 21,448 It's a dry heat gtx6970 Too Many Posts
gtx6970 Too Many Posts Joined: Jun 2003 Posts: 21,448 It's a dry heat	Just got a local quote about 2 weeks ago to chemical dip and powder coat a hsg $175-$200

Re: cleaining the inside of a 8.75 housing [Re: 19cuda73] #1343466 12/01/12 04:15 PM 12/01/12 04:15 PM
Joined: Jan 2003 Posts: 25,881 Rio Linda, CA John_Kunkel Too Many Posts
John_Kunkel Too Many Posts Joined: Jan 2003 Posts: 25,881 Rio Linda, CA	Quote: Napa did this manifold and it came out looking like new Are you sure it was tanked? Looks more like cooked and shot beaded. The INTERNET, the MISinformation superhighway

Re: cleaining the inside of a 8.75 housing [Re: John_Kunkel] #1343467 12/01/12 09:56 PM 12/01/12 09:56 PM
Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio Challenger 1 Too Many Posts
Challenger 1 Too Many Posts Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio	Quote: Quote: Napa did this manifold and it came out looking like new Are you sure it was tanked? Looks more like cooked and shot beaded. No a real castic hot tank will make them look like new, even eat the rust off. I used to use one quite a bit. Most imoportant thing to remember on sb is to grind off the rivets holding the cover on the bottem of a stock intake to get it clean and clean the plate separately in the hot tank.

Re: cleaining the inside of a 8.75 housing [Re: Challenger 1] #1343468 12/02/12 02:18 PM 12/02/12 02:18 PM
Joined: Jan 2008 Posts: 1,300 Washington 19cuda73 pro stock
19cuda73 pro stock Joined: Jan 2008 Posts: 1,300 Washington	No a real castic hot tank will make them look like new, even eat the rust off. I used to use one quite a bit. Most imoportant thing to remember on sb is to grind off the rivets holding the cover on the bottem of a stock intake to get it clean and clean the plate separately in the hot tank. That is true when I took in the 340 intake they took off the bottom pan hot tanked it and reinstalled it. The unit came out looking just like the big block piece. In Washington they must still be able to use the real deal solution not sure what it is but it works sweet. I have a whole slou of valve covers I need to take in next. 1966 Charger 383 4 speed (Black with Red interior) 1973 Cuda 340 4 speed (Lemontwist) 1972 Corvette

Re: cleaining the inside of a 8.75 housing [Re: 19cuda73] #1343469 12/02/12 09:35 PM 12/02/12 09:35 PM
Joined: Aug 2003 Posts: 43,228 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,228 Bend,OR USA	The old caustic hot tank solutions need to have the rust remover additive in them to take the rust off. If you use to much of it in the tank you end up with a coating on the part that looks grey instead of how clean cast iron does I agree with John Kunkel on that part that looks like it has been cooked and iron bead blasted Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: cleaining the inside of a 8.75 housing [Re: Cab_Burge] #1343470 12/02/12 11:27 PM 12/02/12 11:27 PM
Joined: Jul 2008 Posts: 30,451 Florida STAYcation dOoC The village idiot's idiot
dOoC The village idiot's idiot Joined: Jul 2008 Posts: 30,451 Florida STAYcation	x 99 on finding another housing. IF it is that bad there ... it has to be a horror-show on and in the axle bearing ends.

Re: cleaining the inside of a 8.75 housing [Re: ] #1343471 12/03/12 01:35 AM 12/03/12 01:35 AM
Joined: Jul 2005 Posts: 707 California BigDaddy440 super stock
BigDaddy440 super stock Joined: Jul 2005 Posts: 707 California	Quote: Easiest way to go is just to have it acid dipped. I just had my Dana 60 housing cleaned up. I had it sit in a solvent tank over a weekend, then I had it Acid dipped. The grease, and rust is gone....looks great. Now it's going to get powder coated. 1969 A12 Roadrunner 1970 Plymouth Cuda 1968 Dodge Dart

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