[V8] Pentosyn Replacement Oil

[S_Matus]

I know this has been discussed earlier on the list.

What is the properties of the Pentosin for the hydraulic system?  I know that Mobil/Shell/Chevron all make equivalent mineral oils for this purpose.

What experience has anyone had with these oils?  Do you need to change the oil more often?  What brand/type is used for climates that can dip below zero and climates that rarely freeze?

Please let me know the manufacturer and their part number for the oils.  

Owning 4 Audis, I figure this would save me $100s.

Thank you,

Scott.
'91 V8QM
'90 V8Q
'02 allroad
'03 RS6 (assmbly has begun)

		
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