Re: Amsoil synthetic oil

[John Graham <jgraham1@erols.com>]

Brendan wrote:

> At 05:16 PM 11/4/97 -0500, Phil & Judy Rose wrote:
> >I recall some previous postings have made positive statements about using
> >Amsoil synthetic oil. That happens to be the brand recommended by my local
> >Audi garage. They say that the initial use requires that a special
> >"flushing" operation be done. As I understand it, a proprietary cleaning
> >additive is dumped into the old oil and run for a specified interval. This
> >is followed by a change to the Amsoil synthetic and special high-efficiency
> >filter.
>
> I'm curious about these flushing procedures as well.  I asked our local
> foreign/specialty car shop a few questions about switching to synthetic
> oil.  I'm considering using Redline in my car.  Among the comments he made
> were these:
>
> 1)  Do not switch to synthetic oil until after the break-in period.  He
> recommends not switching to synthetic until roughly 50,000 miles are on the
> motor.

No thats not true. You can change to synthetic oil after the first 7,500 oil
change.Note some cars come with synthetic oil new from the dealer.

>
>
> 2)  Do not use engine flushes when switching if the car has been well
> maintained and the oil has been changed regularly.
>
> 3)  (good) Synthetic oils suffer less from vaporization, which can help
> reduce oil consumption between changes.  He was clear in pointing out that
> burning and leaking oil were not the only types of oil consumption.
> Although another mechanic (whom I distrust) responded to this by saying
> vaporization was the same as burning oil, I disagree.
>
> I also asked him about change intervals (specifically with Redline oils).
> He recommends a change roughly every 7-8,000 miles, or when required by
> seasonal change.  He changes the (Redline) oil in his car twice a year to
> accomodate seasonal temp ranges.
>
> I'm interested in comments as well.  And I should point out, I'm not
> specifically endorsing or recommending Redline over other brands, it just
> happens to be what this particular mechanic carries and prefers, so it's
> the brand we discussed.  References to that specific brand are intended
> only to clarify that we were discussing a particular brand, since I think
> everyone will agree that there are differences between brands of synthetic
> oils.
>
> BrendanJohn.

1990 CQ