Join Date: Oct 1999
Location: Fairbanks, AK
Thanked 0 Times in 0 Posts
Re: NV4500 Fluid
Well I actually got a response from one of the oil companies...
So far Asmoil is the only one to respond, thought I would share
the findings...Reply is below...
I don't know about Valvoline, but the AMSOIL replacement for Castrol Syntorq
75W90 GL-4 is the 75W90 GL-2 thru GL-5, either AGR or TGR.
This is a reply from AMSOIL Technical Services. This is an outgoing message
only. If you want to reach a member of the AMSOIL Technical Service staff
with a product application or service question, they can be reached in one
of three ways. Phone (715) 392-7101, Fax (715) 392-3097, or fill out the
form provided on the AMSOIL Corporate Website in the Contact AMSOIL section.