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AMSOIL in differential?

 
Old 05-14-2019, 09:50 PM
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Arvalo
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Default AMSOIL in differential?

Iím a few weeks out from taking my FRC on about a 1200 mile round trip drive, and Iíve been wanting to change the differential and Transmission fluid since I bought the car last year. I suspect itís still running on the original fluid at 106k miles.

that said, my searching around seems to point to AMSOIL as one of the if not the leading option for the differential, but most of the results I found were rather old. Does that still hold true in 2019? Additionally I saw mentions of people saying they had received a discount on Amsoil products by contacting somebody but I canít seem to find out who that person is?

lastly what fluids are best in a 99 Corvette M6 transmission? I know itís dexron III but any leading brands you all trust?

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Old 05-15-2019, 01:14 AM
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BuzC5
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Yes it is still true

Not sure on discount, got mine at a local napa but AMSOIL has a dealer locator
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Old 05-15-2019, 01:54 AM
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SLOWRYDE
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You suspect its still running on the original factory fill fluid at... 106k miles... without issue... and you want to switch to an aftermarket brand because...?

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Old 05-15-2019, 07:12 AM
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Originally Posted by SLOWRYDE View Post
You suspect its still running on the original factory fill fluid at... 106k miles... without issue... and you want to switch to an aftermarket brand because...?
Because the old fluid makes me uncomfortable,.... because itís ya know old. Also Iíve got a very faint sound coming from under the car and Iím wanting to eliminate this as a possibility.

do I really need to explain myself? I hear of people doing this frequently? I know GM has this odd statement about never needing to replace it, but 100k miles and 20 years seems the appropriate time to change it unless GM infact invented the one lubricating fluid that doesnít break down or degrade at all over two decades?
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Old 05-15-2019, 07:49 AM
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Used the Amsoil Severe Gear in my 99 A4 with 42K on it. Probably didnít need to be done but was more piece of mind/wasting money on my new toy. Itís been fine and the overall reviews were positive. Easy job and not expensive as far as maintenance goes. Probably little difference between Mobil 1 and others but I did get a cool Amsoil sticker. Score!
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Old 05-15-2019, 07:51 AM
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neutron82
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CCA has good prices on amsoil, my last couple orders I placed through him and there is a warehouse a few cities over from me that it ships from so I usually get it in a day or 2
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Old 05-15-2019, 09:41 AM
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getherejune
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Hit up C66Racing-he is a supporting amsoil vendor on here. When i first bought our C5 he was super helpful and answered any questions i had. I use it in my rear diff along w/their additive and have been super happy , As with any lube question, be warned- you are going to get a ton of differing opinions!!
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Old 05-15-2019, 09:47 AM
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Thanks guys!
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Old 05-15-2019, 09:53 AM
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Originally Posted by getherejune View Post
Hit up C66Racing-he is a supporting amsoil vendor on here. When i first bought our C5 he was super helpful and answered any questions i had. I use it in my rear diff along w/their additive and have been super happy , As with any lube question, be warned- you are going to get a ton of differing opinions!!
I tried to message C66Racing directly but it says he doesnít exist?
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Old 05-15-2019, 10:01 AM
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Originally Posted by Arvalo View Post
Because the old fluid makes me uncomfortable,.... because itís ya know old. Also Iíve got a very faint sound coming from under the car and Iím wanting to eliminate this as a possibility.

do I really need to explain myself? I hear of people doing this frequently? I know GM has this odd statement about never needing to replace it, but 100k miles and 20 years seems the appropriate time to change it unless GM infact invented the one lubricating fluid that doesnít break down or degrade at all over two decades?
You missed my point... you got 106k trouble free miles out of the original factory fill without issue. Thatís a testament to the quality of the factory fluids. Yes, it needs to be changed after that many miles. Amsoil is much more expensive and that extra cost is unnecessary.
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Old 05-15-2019, 10:22 AM
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Originally Posted by SLOWRYDE View Post
You missed my point... you got 106k trouble free miles out of the original factory fill without issue. Thatís a testament to the quality of the factory fluids. Yes, it needs to be changed after that many miles. Amsoil is much more expensive and that extra cost is unnecessary.
I mean, youíre not wrong.

I just donít wanna find out I have a problem... after itís gone to hell? If that makes sense.

peace of mind is priceless.
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Old 05-15-2019, 10:32 AM
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I am not suggesting you NOT change it. I am suggesting you get this, which is the factory fluid and much cheaper... I've used this stuff for all my Corvettes from my 2003 Z06 through to my brand new C7 Grand Sport for street and track use without an issue. Works great and is cheap :

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Old 05-15-2019, 10:53 AM
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Differing opinion, the Amsoil rocks!

ETA: Torque-Drive is what you seek for your transmission....works fantastic!

https://www.amsoil.com/lookup/auto-a...g-g/us-volume/

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Old 05-15-2019, 11:01 AM
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Amsoil, Redline, Royal Purple and Mobil 1 are all good choices. I personally like Royal Purple, but don't think you can go wrong with any of them. When I switched my trans fluid to RP I immediately noticed the shifting was easier and smoother which to me proves it's better than the GM fluid.

Steve
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Old 05-15-2019, 11:15 AM
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glbeauchamp
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I put Amsoil in mine at 51000. Real easy to do as they have this new handy squeeze pouch for a lot of their products.

https://www.amsoil.com/shop/by-product/gear-lube/
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Old 05-15-2019, 06:08 PM
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Thanks for all the feedback guys. Youíre all awesome!
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Old 05-15-2019, 06:15 PM
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AMSOIL is a good product, and I have it in my Jeep GC. In my Corvette, however, I've been using RedLine diff and manual transmission fluids since 2002.
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Old 05-15-2019, 06:30 PM
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Arvalo
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Oh I just realized at no point have I mentioned that my Vette is a 99. As I understand it, the transmission requires a dexron III type fluid?

even tho the AMSOIL brand seems to say itís ok... that seems uncomfortable to me. Also it Irks me that itís $60 for a gallon, but the capacity is 8.2 pints (I.e because Torque-Drive is only sold in 1 gallon containers it seems i would need an entire extra gallon to fill that extra .2 pints.)
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Old 05-15-2019, 09:16 PM
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LedfootLarry
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Buy a couple of tubes of their anti slip lube , that should top it up enough ...
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Old 05-15-2019, 09:42 PM
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Originally Posted by LedfootLarry View Post
Buy a couple of tubes of their anti slip lube , that should top it up enough ...
For use in the trans? Iíve only heard mention of that being used in the differential until now.
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