The modern gear oil doesn't smell near as bad as the old gear oil that I had been told had cod liver oil in it. I remember years ago I changed the original differential gear oil in my 71 chevelle'* 12 bolt and I thought I had walked into a cat house where vaginitis was rampant.

My 2002 SSEi got the Supercharger oil changed from factory to Amsoil at 50K today is has 172K - no leaks, no noise all is fine. I use Amsoil for everything and have never had an issue with mechanical operations and we are at 175K and still running everyday.

Nice. Which type of AMSOIL do you use? I'm thinking of using the Signature stuff for once a year changes.

I use the signature and the Amsoil filter as well - 15K oil changes

Wow. How much do you drive in a year. The website says that it'* rated to 25k under normal conditions.

I have 4 vehicles - 07 Daytona Charger & Caliber, 11 Dodge Ram and the Bonney - 4 drivers and each one gets approx 12-15K a year. Normal conditions is on the highway not pulling and little stop and go driving. The charger and the Ram have the 5.7 Hemi and I get 13 - 15 around town and 24.5 and 22 on the highway at 75 - 80 MPH the ram is 4x4 so if I get over 20 I am tickled pink.

Well that'* awesome. Thanks for the info. I was a little iffy about doing 1 change a year, but now I'm not.

I have been doing this since about 1977. I have a question about the Bonney'*, have you ever changed the LED module in the radio ? It is the light portion that shows the channel and info. Right now my radio works fine but the led it not working and I am using the heads up display to see the channel. Have several dash lights out and the display on the radio. Any suggestions ?

I've never done it myself, car came with aftermarket audio when I bought it.

I'm sure with a little googling or if ask in the audio forum here you'll get the help you need.

There are a few things that have me alarmed in this thread.

First off, it is my understanding that the supercharger uses special supercharger oil, not 5w-30. As mentioned, I believe it is made from animal fat/ proteins. It usually doesn't have to be changed that often.

Second, motor oil, synthetic, 5w-30 is fine, etc. Synthetic with good oil filter usually lets you get away with extended change intervals.

Keep in mind, they are 2 completely separate entities, and it seems like they are being used interchangeably, which is something I wanted to be sure was clarified.