Transmission Oil Reco's for 6 speed

[JFP in PA]

Originally Posted by rastta

The transmission was rebuilt about a year prior to me purchasing the Boxster. So with limited trips to the track this year - I'm at the point where I need to replace the transmission oil.

It looks like from the notes that it has Swepco 210 in it. That appears to be a pretty thick oil but I'm ok with sticking with what it had in it. Just don't know much about that oil and I want to confirm that is what was in the box.

Just want to hear from others what they've been using. It does have a Guard LSD in it as well.

You need to speak to the Guard people and find out what they spec for it..

[rastta]

Originally Posted by JFP in PA

You need to speak to the Guard people and find out what they spec for it..

So I spoke to the original owner of the car and the car actually had Motul 300 LS in it. Spoke to Guard and Copan transmissions and both said to use Motul 300 NON LS in it or Mobil Delvac 75-90. So I ordered Motul 300.

[JFP in PA]

Originally Posted by rastta

So I spoke to the original owner of the car and the car actually had Motul 300 LS in it. Spoke to Guard and Copan transmissions and both said to use Motul 300 NON LS in it or Mobil Delvac 75-90. So I ordered Motul 300.

I thought as much. The LSD is the limiting factor on what to use, so it never hurts to ask the unit's supplier.

[rastta]

Originally Posted by JFP in PA

I thought as much. The LSD is the limiting factor on what to use, so it never hurts to ask the unit's supplier.

Yeah - would have intuitively thought use the LS for limited slip - but they said that it makes it too slippery and doesn't allow the LSD to work as well.