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Old 04-09-2015, 04:40 PM
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Default How To: "Rear End Clean Up"

Not sure if this is the correct spot for this. If not, sorry mods. Please feel free to move it to the correct section.

I did a cleanup of my 3 rear ends a while back and wanted to share what I did to help anyove needing ideas and tips on cleaning their cars rear up...

Picked up a 7.5 rear end from Skip a while back after he completed the LS1 rear disc swap. Its goin in my 78 Malibu project and I decided to do a lil cleanup on it before dropping it in. Some of the supplies/tools used in the cleanup:

Harbor Freight wire wheel pack with various wheels and sizes
Drill for the wire wheel to attatch to.
Purple Power
Aircraft stripper
Wire brushes in various sizes
Small flathead screw driver set to get in small cracks and pits on the rear
Chisel set to scrape off thick oily areas of crap easily
Face shield and eye protection
3 Jack stands..
Eastwood Extreme Chassis black Primer and Extreme chassis Black Paint
VHT Caliper Paint

Here's what I started with..Most def Arts n Crafts time











Knocked off as much as I could with the chisel set and drained the fluid. Then used a lil aircraft stripper








Then the drill with a wire wheel attached. Came out pretty clean









I put the old cover back on and prepped the rear for the Eastwood Primer. I used Purple Power, Water and then Acetone to clean the metal. Waited about 15 minutes and then sprayed the primer..Really creamy-This is Primer not the paint yet

2 coats--- 1 "Bite coat" and then I waited 3 minutes and did another coat. The 2nd coat was just a tad bit heavier. I stayed about 8" away from the surface









This primer requires you to wait a few days to cure before painting. I still need to weld some tabs on for a brace kit Im using. I sprayed the primer anyway so surface rust wouldnt start in on the bare metal..
My LPW cover came in right as I finished the 2nd coat of primer..So of course I had to see it on the rear.

My Journey to an "ULTIMATE 7.5" is underway :twisted:





Then I turned my attention to the brake setup...




I didnt get pic of the clean up but all I did was hit the surface lightly with a scotch brite pad and then painted the hat area That isnt paint on the brake surface area.



I taped off the rotor and de-rusted down in the vein area (I guess thats what its called) and sprayed some primer and then black to give a lil contrast. Im going with a new set of slotted and cross drilled later, but decided to clean em up to show my 7.5 family what can be done with whatcha workin with... :wink:



Continued....
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Old 04-09-2015, 04:41 PM
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Cleaned and primered the rear calipers and brackets with 2 light coats of Eastwood




Waited 2 days and then sprayed the calipers and brackets..

VHT Caliper Paint on the calipers and Eastwood Ecxtreme chassis black Paint on the brackets





Mock up King Warren G Body mocking up the parts.. :wink:



Steel wool jobber on the lines. ([COLOR=rgb(255, 0, 64)]Malibu Chris Stylee[/COLOR]!!)These need to be re-cut to size and flared. Im also adding braided lines off the calipers..



Installed it all carefully. LOL! Its still drying. I couldnt stand it. I had to see...Yessir! Coming together..



Pulled the cover back off and added my ARP stud kit to strengthen it up a little bit..








Dropped the cover back on and added the brace kit (mocked up for now)..






I made some shock relocate brackets



Decided to add a little flare to em...





Mocked it up



Painted em red..





Added some black rotors..






Dropped the powder coated OPG rear drop springs and drag bags in to see how its looking. The Edelbroc anti hop bars were just placed in for the pic. Not running those..



Now this lil rear is by no means as tough as a 8.5 or 9 or Dana or whatever. But its perfect for what I wanna do with the malibu. The rear has an Auburn Posi unit with 373 gears, ARP main cap kit, I may add in some Moser axles, ARP wheel studs, LPW Rear girdle and brace kit, LS1 Swap, Eastwood Chip guard primer and paint, and will be attached to a set of anti hop bars and UMI upper/lower trailing arms and a UMI sway making it "THE ULTIMATE 7.5". Ive added some Kore 3 braided lines and a set of SPEEDBLEEDERS to the project.

Continued...
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Old 04-09-2015, 04:42 PM
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Grand Nasty 8.5:twisted:

Aircraft stripped the POR-15 off. It was lifting in areas so I decided to redo it..





[COLOR=rgb(255, 0, 0)]TA Performance girdle[/COLOR] Stripped and I sand blasted it Clean..



Grand Nat's axle tubes. I cleaned and sand blasted em at work and pressed out the old studs and pressed in some ARP studs








Wire brushed the rear





LOOKING CLEAN!!!



Getting ready to cut the rear flange and decided to clean this up





Added the ARP main cap kit...



Pressed out the old bushings




Decided to spray it right quick to keep the surface rust at bay. I'll start a project and then let it sit for a while (get lazy basically lol) so I added a lil Eastwood primer..






Cut the flanges...



Mock up with the cleaned up backing plates...





With the studs pressed in and rear caliper mocked up...



Fin...




Same Kore3 braided lines were added as well as the SpeedBleeder setup. Came out clean for a "homegrown/backyard boogie" job.Thanks again for the cool feedback. Really gets me motivated to work
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Old 04-09-2015, 04:43 PM
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Heres a finished pic of the "Ultimate 7.5" build. Had the rear PAB's coated silver to match the Bu





Actually an old pic before I had the pab's coated. I cant find a newer pic of it all together (its in Arizona now with the Bu)...You get the idea. Will flow so clean with the other parts..




The "Ultimate 8.5" Grand National rear (373's, Eaton Posi, 28 spline axles, TA rear girdle, ARP main cap kit, Kore 3 braided lines) for my El Camino Project




And A new 8.5 for the #OGIK SS. This thing is a monster! 31 spline Toms Kick Ass axles, Eaton posi, 411's, Currie Johnny joint bushings, Perfect launch cover, LPW brace kit) I basically did the same thing with this rear- cleaned it up using the methods on page one of this thread and did the disc swap using my club bro Skip's instructions. This rear will ahve the brace bar kits brackets welded in and a nice weld bead around the axle tubes to help strengthen it up some more. I may add some other bracing as well..These rear disc swaps were done BEFORE the UMI rear swap brackets were out. Now you dont need to cut the flange with the use of UMI's kit..



Mocking up the Kore3 kit...



Black rotors for this one also..



Currie roto bushings



LPW rear brace kit. Mainly for looks...



Perfect Launch rear diff cover.
Click pic below for a short vid of the rear



Hope this old "How to" thread will be of benefit to someone. I used simple tools and cleaning chemicals to bring these old rear ends back to life. With a little time and patience, a beatuful end result can be achieved. Thanks for checking back!!

LsWarren
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Old 04-09-2015, 05:28 PM
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Nice work and great write up!
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Old 04-09-2015, 05:36 PM
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Wow amazing job, putting a little extra love into mine now before I put it in.... Feeling inspired
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Old 04-09-2015, 07:14 PM
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nice attention to detail,looks sweet.
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Old 04-09-2015, 08:42 PM
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Cool

Quote:
Originally Posted by Poltergeist View Post
Nice work and great write up!
Thanks bro!! Sorry for all the huge pics. Wanted to show the detail

Quote:
Originally Posted by Bgchrs View Post
Wow amazing job, putting a little extra love into mine now before I put it in.... Feeling inspired
Thats wassup bro! Its why I posted it. Figured you guys could benefit from the info in some kind of way. Thanks for the feedback!!

Quote:
Originally Posted by melloelky View Post
nice attention to detail,looks sweet.
Preciate' the love and feedback bro!! I cant wait to get one of these rear ends back in the car lol!

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Old 04-10-2015, 04:17 AM
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Looks awesome...the rear disc conversion came off what vehicle?
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Old 04-10-2015, 05:14 AM
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Thanks bro!! The rear brakes are from a 98-2002 f-body. These particular sets came from an SS Camaro


LsWarren
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Old 04-10-2015, 05:24 AM
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Have you done this type of shock relocation bracket before? If not, the 1/8 or 3/16 angle may not hold up to the stresses a shock will put on them. (unless this will be a trailer queen) You might just want to gusset them at least on one side, but I would gusset both sides.

But all and all, that is the ONLY thing I saw, that I would do differently. This is a FANTASTIC write up. Thank you for your time and attention to detail.
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Old 04-10-2015, 05:52 AM
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@ mylilboo. Thanks bro!!! Yeah my club bro actually was the first guy I saw do this type of bracket. Other friends have copied mine and haven't had any issues-and they are racing, doing donuts/burn outs constantly. I had picked up a set of relocation brackets from a company-can't remember the brand but they were like $70! It was a simple piece of angle iron. These are strong as hell. It was a bitch to cut and grind em down. I had the same concern and put a cut piece in a press at work and it took a great deal of force to even start bending em. Thanks for the concern bro! I can't weld but a few friends at work can. I'll ask them to add a little something to em. Preciate' the feedback!




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Old 04-10-2015, 03:07 PM
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Sure thing, I like it when people give me feed back too. It helps just in case I forgot or over looked something.
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Old 04-11-2015, 05:54 PM
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Thumbs up "Ultimate 8.5" pics added

Quote:
Originally Posted by mylilboo View Post
Sure thing, I like it when people give me feed back too. It helps just in case I forgot or over looked something.
Thats whats so cool about the forum. Everyone is looking out for each other and lending a helping hand, suggestions and tips. Thanks brother!!

Waiting for the mobile welder to come thru and set this up for me. I want the axle tubes welded and possibly some other bracing added. Its really just for looks and the "wow!!" factor lol..

Few more pics of the 411 8.5











For a "homegrown/backyard boogie" job, its coming along...

Thanks for checking back fellas!!

LsWarren
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7.5, 8.5, grand national rear, posi, rear end


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