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Differential Fluid change

This is a discussion on Differential Fluid change within the Drivetrain forums, part of the LSx Technical Help Section category; Originally Posted by One_Bad_TA Ok thats what i wanna get for it...Royal Purple. And did u replace the gasket on ...

  1. #21
    Member jujofields's Avatar
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    Quote Originally Posted by One_Bad_TA View Post
    Ok thats what i wanna get for it...Royal Purple. And did u replace the gasket on the differential?
    Yes, you have to replace the gasket (the differential gasket isn't reusable).

  2. #22
    Member jujofields's Avatar
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    As far as the gasket though, you don't have to worry about the cost-they only are about $3.50 or so!

  3. #23
    Member One_Bad_TA's Avatar
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    Alright thanks a lot for ur help this makes things so much easier for me. Within the next 2 weeks Im plannin on doin this.Id like to get the Royal Purple from u. So ill send a PM in the next couple days. Once again Thanks!

  4. #24
    Member jujofields's Avatar
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    Here's a list of stuff I recommend for changing your differential:
    1.) 2 quarts of Royal Purple 75w-90
    2.) 10 Bolt rear differential cover gasket (mentioned earlier)
    3.) High Temperature RTV silicone
    4.) Brake/Carb Cleaner
    5.) A razor blade
    6.) 1/2" wrench & 3/8" socket wrench
    7.) A drain container (anything to put the old oil into) and plenty of rags

  5. #25
    Member jujofields's Avatar
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    Quote Originally Posted by One_Bad_TA View Post
    Alright thanks a lot for ur help this makes things so much easier for me. Within the next 2 weeks Im plannin on doin this.Id like to get the Royal Purple from u. So ill send a PM in the next couple days. Once again Thanks!
    Hey no problem; I'm happy to help! If need be, I can do a step-by-step write up of the entire process from start to finish & you'll be good to go

  6. #26
    Member jujofields's Avatar
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    Quote Originally Posted by One_Bad_TA View Post
    Alright thanks a lot for ur help this makes things so much easier for me. Within the next 2 weeks Im plannin on doin this.Id like to get the Royal Purple from u. So ill send a PM in the next couple days. Once again Thanks!
    Sounds good...just send me a PM & we can go from there...

  7. #27
    Nitrous Tuner LS2Tuner's Avatar
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    I Never use a gasket and haven't had any leaks on many,many,many rearend covers. A can of brake clean and a small bead of Ultra Black let it sit for 10-15 min. and bolt up.

    I think the Amsoil and the RedLine are a far superior fluid then the RP myself due to tests.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

  8. #28
    Member jujofields's Avatar
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    Quote Originally Posted by LS2Tuner View Post
    I Never use a gasket and haven't had any leaks on many,many,many rearend covers. A can of brake clean and a small bead of Ultra Black let it sit for 10-15 min. and bolt up.

    I think the Amsoil and the RedLine are a far superior fluid then the RP myself due to tests.

    So, in a sense, you do use a gasket if you're using a liquid version to seal it What tests are you talking about? I'm not trying to come off as being an ass, but I like to stay as objective as possible & if tests have been done proving superiority with a different brand I'd like to check it out!

  9. #29
    Senior Member Bottesini's Avatar
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    Quote Originally Posted by jujofields View Post
    Hey no problem; I'm happy to help! If need be, I can do a step-by-step write up of the entire process from start to finish & you'll be good to go
    I would say go ahead and post it up in a new thread, maybe it will get a sticky Can not have to much good information at our fingertips.

  10. #30
    Nitrous Tuner LS2Tuner's Avatar
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    It was done by one of the big circle track magazines with a a couple different cars. One was a 700hp sprint car and the other was a 450hp modified.
    They had a temp gauge sensor probe welded to the housing and did a temp. comparison and a analysis of the oil after 200 laps.

    I probably still have it some where. I'll try to look this weekend. Shit there is probably 200+ magazines laying around the shop. LOL

  11. #31
    NIUK! NIUK!..WOO!WOO!WOO! LIGHTNINGMCQUEEN's Avatar
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    http://www.bfranker.badz28.com/fbody/lubeoil.htm

    I found that website and followed all the directions and it ended up being very easy! the only thing i didnt do was the GM additive which im thinking of putting in later anyway just in case. The only reason i didnt use royal purple was cause i couldnt find it. Of course after i was done with diff lube change i found it in PepBoys!

    Thanks for the help to everyone who wrote back to me on this!!!

  12. #32
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    Does it have to be 75-90 or can i use 80-90 cause thats what i just bought lol
    torquer v2 cam, LT headers, maf, 3inch true dules, X pipe, 420hp 385tq

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