A bit of technical education for this forum; not new info. but there are plenty of new members who could benefit from it:
From our member Tom NJ: http://www.jobbersworld.com/ResourceRoom/RM-AboutEsters.htm
Alkylated napthalene is a Group 5 fluid that are different from esters but in the same Group.
http://www.nyeautomotive.com/lubeletters/Vol_32_No_3.pdf
Some talk of Group 5 base oils here; the whole article is quite good too.
http://www.motor-oil-engineers.com/Motor Oil Engineers PDF.pdf
From our member Tom NJ: http://www.jobbersworld.com/ResourceRoom/RM-AboutEsters.htm
Alkylated napthalene is a Group 5 fluid that are different from esters but in the same Group.
http://www.nyeautomotive.com/lubeletters/Vol_32_No_3.pdf
Some talk of Group 5 base oils here; the whole article is quite good too.
http://www.motor-oil-engineers.com/Motor Oil Engineers PDF.pdf