Re: IML: D^2 continues The old oil argument. DB responds with some grayhaired stubbornness.

["michael popp" <popp@xxxxxxxxxxxxxx>]

Right on Dick--Cannot do better than what FSM says---Mike Popp
----- Original Message -----
From: "Dick Benjamin" <dickb@xxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Saturday, December 04, 2004 11:09 PM
Subject: IML: D^2 continues The old oil argument. DB responds with some
grayhaired stubbornness.


>
>
> >>>Dick, I am not certain if the SAE 30 was recommended for these
> >>>temperatures or simply considered a possible/allowable alternative.  I
> >>>think its the second.
>
> Well, perhaps you need to take another look in your FSM.   I did quote the
> manual verbatim, and I see no other way to interpret what they say.
>
> And, I quote again:  SAE 30 AND SAE 40 ARE RECOMMENDED [then it goes on to
> discuss multigrade oils, which are also permitted, if 20W40 or 20W50 is
> used, with a special "high performance" additive (STP?).
>
> The capitalization for emphasis is theirs.
>
> I do agree modern multiweights have been improved, but I believe the
> improvements have been primarily in anti-foaming, contaminant suspension
and
> anti-char properties. These same improvements have also been made in the
> single weight oils, as long as you are careful to stick to SH - SJ spec
> oils.
>
> I think we should cut this off here - I'm not going to change my mind, and
I
> doubt I'll change yours either.
>
> I'll stick with my single grade oils in my old cars, and use 10W30 in my
> modern car, instead of the specified 5W30, which is thin as water at
> operating temperatures - I just don't trust it to give me 340,000 miles,
> which is what I got out of my last new vehicle.  (1985 Chevy PU - - it was
> totaled [while parked] at that point, with still no sign of deterioration
in
> the engine - I never ran anything but SAE30W in that one either!)
>
> I do use 15W40 in my new truck, a diesel, and as you note, it is
> specifically required - and has further restrictions on characteristics
> also.
>
> Dick Benjamin
>
>
>
>
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