amsoil 75W-90

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Mar 3, 2005 | 05:05 PM

6spd

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Burning Brakes

Joined: Jun 2003

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From: smithtown ny

amsoil 75W-90

i ordered amsoil 75W-90 Synthetic Gear 2 bottles is this all i need for the rear diff??

Mar 3, 2005 | 06:54 PM

ToyC4

Drifting

Joined: Feb 2004

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From: Champaign, IL

St. Jude Donor '05

GM posi additive?

GM part # 1052358

Mar 3, 2005 | 06:56 PM

6spd

Thread Starter

Burning Brakes

Joined: Jun 2003

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From: smithtown ny

i thought with the amsoil you didn't need to add anything??

Mar 3, 2005 | 06:58 PM

ToyC4

Drifting

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Posts: 1,485

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From: Champaign, IL

St. Jude Donor '05

Quote:

Originally Posted by 6spd

i thought with the amsoil you didn't need to add anything??

that I don't know, sorry

this is something I need to do this spring, my goal is to change all the fluids from bumper to bumper.

Mar 3, 2005 | 08:27 PM

6spd

Thread Starter

Burning Brakes

Joined: Jun 2003

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From: smithtown ny

does anyone else no the answer???

Mar 3, 2005 | 10:39 PM

ToyC4

Drifting

Joined: Feb 2004

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From: Champaign, IL

St. Jude Donor '05

Mar 3, 2005 | 10:42 PM

C4396roadster

Pro

Joined: Jul 2001

Posts: 650

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From: Flushing NY

I dont think you need the additive they already have something in their but Im sure you could put some in if you already have it did mine years ago amsoil only and no ill effects...

Mar 3, 2005 | 10:52 PM

6spd

Thread Starter

Burning Brakes

Joined: Jun 2003

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From: smithtown ny

okay cool thanks

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Mar 5, 2005 | 09:53 PM

Metamando

Instructor

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From: Atlanta GA

You should add 2 bottles anyway.......mine made terrible noise until I did this.

Mar 5, 2005 | 10:51 PM

#10

6spd

Thread Starter

Burning Brakes

Joined: Jun 2003

Posts: 949

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From: smithtown ny

add 2 GM posi additive? plus 2 bottles of amsoil???

Mar 6, 2005 | 12:36 AM

#11

tjwong

Le Mans Master

Joined: Jan 2003

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From: Portland Oregon

Quote:

Originally Posted by 6spd

add 2 GM posi additive? plus 2 bottles of amsoil???

One bottle of additive is all you should need.

Mar 6, 2005 | 09:37 AM

#12

corvette1271

Racer

Joined: Jan 2004

Posts: 283

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From: stanwood wash

...additive......

....6spd, i have had vehicles with differential changeout on fluids, with amsoil 75-90w and the guy that does mine runs a tranny service and repair.....and he always puts in 1/2 bottle (1oz or so) in just to make sure he says, that everything is real slippery in there. so that might be worth your consideration....and i do not think that both complete bottles of the 75-90 will go in there.....i think that you will have some left over......check speciafications and the capacity for that diff.