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Originally Posted by Adam
I'm checking into gear oil for the Porsche trans and I'm on Redline's site. They recommend their GL-5 75W90 oil for Porsches not the GL-4. This is contradictory to what some of you are saying. I'm confused.  Here is the link.
http://www.redlineoil.com/Products.aspx?pcid=7 |
I wouldn't trust it.
Suppose one of your syncros fails and you get an occasional grind.
It will cost mucho bucks to fix.
I would buy the Porsche lube to have piece of mind rather than experiment.