I just hit 15,000 miles on the SS and want to change the tranny fluid/filter and diff fluid. Any suggestions as to what fluid to use (name brand) or is the GM stuff good? All responses are appreciated.
Posted by 2002Z4CSS (Member # 1393) on :
For the trans,Get the filter and gasket from the dealer instead of one of those Fram filters that come with a folded cheap cork gasket. The GM gaskets are far superior and most times reusable. I would use a good Dexron III fluid like Valvoline or Mobil 1. For the differential,get the gasket from the dealer and refill with Mobil 1 synthetic gear lube. I am not sure how good any synthetic trans fluid is or if it is recommended.
Posted by Macky (Member # 1427) on :
For the diff, do I need the GM additive with the Mobil 1?
Posted by Hawkeye (Member # 88) on :
What diff do you have?
Posted by HTWLSS (Member # 117) on :
What rear end do you have?
Torsen = Synthetic
Auburn = Mineral based
Posted by DanA_F99_1977 (Member # 118) on :
I am about to change my tranny and rear end fluid with Royal Purple. Can't tell you how it is yet but I have heard good things.
Posted by Macky (Member # 1427) on :
I have the Torsen.
I saw a nice feature on Royal Purple this weekend on Hot Rod TV. That's what got me thinking about changing my stuff.
Posted by mhayman (Member # 146) on :
The Torsen, as mentioned above, requires synthetic oil and I always put the GM additive in with it too. I have used some different brands, right now actually I have 2 quarts of Mobil 1 sitting at home in the garage. Now I just have to get the additive.
As for the tranny, people use such a variety of products here, Redline and Mobil are usually the most popular and I hear a lot of Royal Purple now too. Basically it is like everything else, it isn't necessarily what you use, its just the fact that you do regular maintenance.
PS - there's a discussion about this at LS1.com See this thread
[ 23 April 2002: Message edited by: mhayman ]
Posted by Macky (Member # 1427) on :
Thanks for all of the good info. I knew that I could count on y'all!
