My father, being a small Amsoil dealer in CA for 10 years, used their
products for just about everything. He's since switched back to Castrol and
K&N. (He was also Chief Engineer at Lockheed in the Space and Aeronautics
division from 1970 - 1980 where he put the oil through stress tests to find
out just how good it is.) No significant improvements from Amsoil vs.
Castrol. (I also have a MPG Record from my Javelin dating from 1970 - 1996
with several Amsoil Oil Changes...NO improvements in fuel economy.) The
only time it showed a 2 MPG improvement was with Arco 20w-50 Graphite Oil.
It's not any better if you change your oil on a regular basis and keep the
engine maintained.
- Bernd
-----Original Message-----
From: owner-dakota-truck@buffnet.net
[mailto:owner-dakota-truck@buffnet.net]On Behalf Of jimm
Sent: Monday, October 11, 1999 9:19 PM
To: dakota-truck@buffnet.net
Subject: Re: DML: Synthetic oil changeover
Is Amzoil as good as claimed? How do their aricleaners compare with
K&N? Any serious replys appreciated!
Jim in Waco
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