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Old 09-18-2020, 04:49 PM
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DiamondJim DiamondJim is offline
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Default 9.3 rear swap gasket or no

Just bought a new 9.3 rear for my 62 GP And I’m wondering what you guys suggest. I have used Permatex 81182 with good results on the back cover of the cast aluminum cover on The 12 bolt in my GTO but I’m thinking I should use the gasket with a thin coating on the chunk in my 9.3. Your thoughts are appreciated. Posted in racing bc I figure more here have used the 9.3. Thanks

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Old 09-18-2020, 05:35 PM
sdbob sdbob is offline
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I'll tell you what does not stop leaks. Early 70s late Friday night at gas station changing gears in my 63, gasket was destroyed taking apart, owner who had a SS dodge said use string! X d it around the studs with a little sealer. Worked but leaked later. So I got gasket.

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Old 09-18-2020, 07:57 PM
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Bill Eveland Bill Eveland is offline
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A good rtv like the right stuff may work better than a gasket but will be a pita to get it broke free.

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Old 09-18-2020, 09:33 PM
Dragncar Dragncar is offline
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I used The Right Stuff on my 9" center section. Never again, it too a come along to break it free.
Now I have one 5/16 threaded hole to break it loose. There is no need for that stuff IMO. Just use the Ultra Grey and be done with it.

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Old 09-18-2020, 10:56 PM
Formulas Formulas is offline
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May not be an issue, but the gasket or not will effect how deep the side gears / 3rd member sets in the housing. Think Center line of axles and gears.

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Old 09-19-2020, 02:18 AM
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DiamondJim DiamondJim is offline
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Exactly. I was thinking the gasket would effect alignment with the axles. I’m guessing the factory used a gasket?

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Old 09-19-2020, 02:22 AM
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This is the rtv that I used with my 12 bolt cover. I’ve also used the ultra gray before.
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Old 09-19-2020, 02:26 AM
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I’m also thinking about making two studs to put in the top holes to hang the chunk on. It’s heavy as heck. Over 100 pounds. I can see me destroying the gasket and being covered in sealer.

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