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 FAQ: Supercharger Oil (M62 & M90)

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Yardley
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Sat Oct 19, 2013 5:27 pm

Done. Thanks for the help y'all.

How much "wobble" or "play" should the tensioner pulleys have? Both of mine have the same amount. Only a very little, but enough to tell there was a little movement and not super tight.
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Sat Oct 19, 2013 5:56 pm

My pulleys wobble a very small amount. If they aren't making noise, they're fine imo.

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Yardley
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Sun Oct 20, 2013 1:05 am

Thanks!
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Wed Feb 05, 2014 3:08 pm

Just for the record, and if you want to be exact, the total oil capacity for the M90 Eaton supercharger is 225 ml. Use a graduated cylinder to meaure it exactly, after evacuating all the STINKY oil out of a cold supercharger reservoir, before you carefully pour it in.

This 225 ml capacity information is off of the Eaton website for the Series II 3800 supercharged engine.
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Eldo
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Fri Feb 07, 2014 12:54 am

Good Add!
A "plus" for you!
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Jack the R
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Mon Mar 05, 2018 7:11 am

Can I suggest amending the first post to include information such as how much mileage/time between changes, and what oil to get?
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Fri Mar 09, 2018 6:29 am

Well Jack, this listing is kinda' fuzzy cuz it lists both M62 & M90 blowers...
This other column may be better:   http://rivperformance.editboard.com/t999-write-up-changing-supercharger-oil

For your '97, like mine, it's the pure GM Supercharger Oil, #12345982.  I should probably take a sniff at mine, since I haven't changed it since I moved from Marin to Oregon, but then again, I've only put another 9K on it since...  As the manual totally ignores the question, I can tell you that I changed it twice between 69,000 and 90,000 cuz the original fill stank so 'cheesy' - obviously the factory fill - but the last time I checked it at about 115 it was still not odiferous again...

The M90 takes about 6-7 ounces depending how well you suck out the old stuff with your syringe (Usually a cheap item at an auto parts store with the tubes & fittings stored in the sides of the plunger.) So, you need 2 4-oz bottles.  They've definitely gone up since I bought my snout/coupling kit - I think I paid $14 for both bottles a couple years ago.  But since they stopped using superchargers the best price I find now is GM's Amazon listing:  $13 each, but at least with two, you get free shipping and it's only a 30 to 50,000 miles thing.  
I don't remember, can we list links?  
https://www.amazon.com/ACDelco-10-4041-Synthetic-Supercharger-Oil/dp/B000QIR2ZC/ref=sr_1_1?ie=UTF8&qid=1520591736&sr=8-1&keywords=gm+supercharger+oil

Cheers,
Mark
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Jack the R
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Fri Mar 09, 2018 9:43 am

This is the thread that's in the FAQ, but now the link to the other column is in this thread too, so now it's sort of in the FAQ.

Any idea of how long supercharger oil can go in terms of years?
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albertj
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Fri Mar 09, 2018 3:54 pm

Jack the R wrote:
This is the thread that's in the FAQ, but now the link to the other column is in this thread too, so now it's sort of in the FAQ.

Any idea of how long supercharger oil can go in terms of years?  

No, supposedly intended for very long term use, to be kept topped-up.

Albert
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Eldo
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Fri Mar 09, 2018 10:33 pm

As Albert said, the factory just says to keep it full...  but I treat it like tranny fluid:  Regardless of the instructions I give it the smell-test, and as I said I think it should be a 30K to 50K thing.  I don't know if this is good or not, but I'm pushing 125,000 and still haven't needed the coupler-kit I assembled.  ride
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PostSubject: Re: FAQ: Supercharger Oil (M62 & M90)   Mon Mar 12, 2018 5:55 pm

Eldo wrote:
As Albert said, the factory just says to keep it full...  but I treat it like tranny fluid:  Regardless of the instructions I give it the smell-test, and as I said I think it should be a 30K to 50K thing.  I don't know if this is good or not, but I'm pushing 125,000 and still haven't needed the coupler-kit I assembled.  ride

I agree, if you just vac out the old and fill with new you'll be fine. When you read the specs for the oil you will find it is intended for indefinite use. It is NYE 605, a light polyolester oil. See https://www.nyelubricants.com/datasheet/SDS_US_English_NYE+SYNTHETIC+OIL+605.pdf for the MSDS. There is a graphite-loaded version, NYE 605G; I don't know what it's used for, I imagine generally for bearings?!?!

Albertj
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FAQ: Supercharger Oil (M62 & M90)
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