<VV> New Oils for Classic cars

[Mark Durham]

Eric, too bad on the truck but a nice try. :):)

Thanks for your expereince with the Mobil 1 15W50 oil. I'm about ready
to start my Corvair Engine I just overhauled, and its been a quandry
on which oil to install for the first runs.I can certainly see the
benefits of a slippery synthetic, it can only help preserve the cam
and lifter faces, but, how long did it take the engines to stabilize
oil use with break in with the synthetic? I know there are certain car
manufacturers that send out their cars with Mobil 1 in them from the
first mile, so I'm not biased one way or the other. I used to use a
15W50 semi-synthetic in aircraft piston engines for breakin with no
trouble.

Regards

Mark Durham

On Fri, Jun 3, 2011 at 12:29 PM, Eric S. Eberhard <flash at vicsmba.com> wrote:
> I use Mobile 1 15-50 which says on the bottle "racing" and "flat
> tappet" -- interestingly enough some bottles say one, some say the
> other, some say both.  Their Web site says both on their chart and
> both phosphorous and zinc are over 1200 ppm.  I have used this for
> decades in everything from diesel trucks to tractors to
> Corvairs.  You can get it in 5 quart bottles cheap at Walmart, Napa,
> or Mobile stations -- which is why I prefer it over Amsoil.  There is
> valid argument for either over the other but Amsoil is hard to get,
> especially if on the road and you need to grab a quart.  Mobile 1 is
> safe for breaking in engines and the evidence to me on this ZDDP is
> clear.  Two of mine were rebuilt (by a shop) and they insisted it had
> to be broken in with Castrol 30 wgt.  Both of those got flat cams in
> 10,000 miles.  New cams from Clark's (identical cams) and break in
> with Mobile 1, 30k miles so far no problems.  A third I did initially
> with Mobil 1, 20k so far no problems.  Depending on the vehicle I
> change every 5k or 10k no matter how many years pass.  I have a 1980
> Toyota I bought new that has 230k and several Ford pickups over 120k
> and tractors with 10k hours ... the only problem is that I have no
> excuse to get a new car or tractor because they all run perfectly.  I
> had a speaker go out in my 99 diesel and my wife thought I should
> replace the speaker rather than get a new truck :-(  Eric
>
> At 09:00 AM 6/3/2011, you wrote:
>>Date: Thu, 2 Jun 2011 14:42:28 -0400
>>From: Harry Smith <     >
>>Subject: Re: <VV> New Oils for Classic cars
>>To: Jim Houston <jhouston45 at gmail.com>
>>Cc: Virtual Vairs <virtualvairs at corvair.org>
>>Message-ID: <BANLkTikakm8zBZ+3G4T+MY-B5Mjxn7OVqQ at mail.gmail.com>
>>Content-Type: text/plain; charset="iso-8859-1"
>>
>>Intersting. I was discussing oil yesterday with a friend of mine and he sent
>>me to a turbo website, Forced Performance. They had a nice chart on oil with
>>brand, weight, amount of ZDDP and cost. I have attached it here.
>>Harry Smith
>>1963 Rampside
>>Coral Springs, FL
>
>
> Eric S. Eberhard
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