Ferrari Mailing List: Re: All about oil????

[Rick Lindsay (rolindsay]

You're right about the first number.  Another issue is
that one might want to minimize the spread between the
first and second numbers.  The wider the gap the more
viscosity additives there are - and they have no
lubricating properties.

rick

--- Peter Pless <ferrarilist [at] pless.com.au> wrote:

> Larry....why go higher for the first number? I could
> maybe understand
> sticking to a 50, but surely the lower the first
> number the better for cold
> starts? Isn't that how it works?
> 
> It's all a bit confusing. Just like I've had to
> change jetting to live with
> modern fuels, I wouldn't be surprised that ferrari
> would choose a different
> oil if the 308GT4 were to be released today. The 355
> requires 5W40 I
> believe...subject to confirmation. 
> 
> -----Original Message-----
> From: LarryT [mailto:l02turner [at] comcast.net] 
> Sent: Monday, 24 March 2008 10:33 PM
> To: Peter Pless
> Cc: 'The FerrariList'
> Subject: Re: [Ferrari] All about oil????
> 
> Hi Peter,
>     Do you know what the Owners Manual calls for?  I
> looked at a O.M. for a
> 308QV (it's a scan - not sure what year it is for -
> you;re welcome to a copy
> if you'd like) and it looks like it is saying to use
> Agip SINT 10W50 - I'm
> guessing that's a Synthetic?.
> 
>     I suspect you'll be fine with the 5W40 - -
> especially since you are
> using Synthetic.  Keep an eye on oil pressure and
> temps - especially at idle
> when doing some "spirited" driving.  IMHO the
> pressure should not drop below
> 
> 3-5psi at idle and the temp should not exceed
> 240-250.   If either of these 
> happened on one of my cars I'd start looking for a
> reason and/or a way to
> cool the oil a bit - and going to 15W50 would be a
> way to start.  No, it
> doesn't cool any better by going to a higher weight
> but it does provide a
> higher strength to keep the crank, rod and cam
> bearings properly lubricated.
> 
> With low viscosity oils I worry about metal to metal
> contact under extreme
> conditions.
> 
>     But that's just me.   ;-)
> 
> Good luck -
> 
> Larry T (66 MGB, 74 911, 91 300D)
> www.youroil.net for Oil Analysis and Weber Parts
> Test Results
> http://members.rennlist.com/oil PORSCHE POSTERS! 
> youroil.net
> 800-583-8601
> Weber Carb Info
> http://members.rennlist.com/webercarbs
> 
> 
> 
> ----- Original Message -----
> From: "Peter Pless" <ferrarilist [at] pless.com.au>
> To: "Larry Turner" <l02turner [at] comcast.net>
> Cc: "'The FerrariList'" <ferrari [at] ferrarilist.com>
> Sent: Monday, March 24, 2008 12:10 AM
> Subject: Re: [Ferrari] All about oil????
> 
> 
> > So now I'm confused.
> >
> > Will my newly rebuilt 308 2V engine be ok with
> fully synthetic 5W 40?
> >
> >
> >
> > -----Original Message-----
> > From: LarryT [mailto:l02turner [at] comcast.net]
> > Sent: Monday, 24 March 2008 8:51 AM
> > To: Peter Pless
> > Cc: 'The FerrariList'
> > Subject: Re: [Ferrari] All about oil????
> >
> > Right you are.  I am 100% positive the engineers
> who specify the oils we
> > should use - especially in new cars - would dearly
> love to suggest the 
> > very
> > low viscosity oils the Doctor believes in.  And
> now that the CAFE 
> > standards
> > have been raised once again there will be even
> more pressure to use
> > lightweight oils.
> >
> > I always find it interesting to see what the human
> mind can rationalize 
> > ;-)
> >
> > Larry T (66 MGB, 74 911, 91 300D)
> > www.youroil.net for Oil Analysis and Weber Parts
> Test Results
> > http://members.rennlist.com/oil PORSCHE POSTERS! 
> youroil.net
> > 800-583-8601
> > Weber Carb Info
> http://members.rennlist.com/webercarbs
> >
> >
> >
> >  ----- Original Message -----
> >  From: Martin Stark
> >  To: LarryT
> >  Cc: 'The FerrariList'
> >  Sent: Sunday, March 23, 2008 8:25 AM
> >  Subject: Re: [Ferrari] All about oil????
> >
> >
> >  The good doctor seems to be obsessed with heat
> conduction and oblivious 
> > to
> > film strength.
> >
> >  LarryT wrote:
> > Hi Peter,
> > ya know, it's hard to tell when yo;re being
> sarcastic sometimes. l;-)
> >
> > If you are not, let me share  my thoughts about
> the use of very low weight
> > oils in older vehicles:
> >
> > I know Dr Haas is probably a great plastic
> surgeon, but I would not run 
> > 0W20
> > or 0W30 oil in a car more than 5 years old with
> more than 50k on it. 
> > Older
> > and vehicles with more than a few miles just will
> not be fully protected
> > with such low viscosity oil, IMO.   The ability of
> the low viscosity oil 
> > to
> > carry the weight of the crank and rods is just not
> as good as a heavier
> > weight oil.
> >
> > Larry T (66 MGB, 74 911, 91 300D)
> > www.youroil.net for Oil Analysis and Weber Parts
> Test Results
> > http://members.rennlist.com/oil PORSCHE POSTERS! 
> youroil.net
> > 800-583-8601
> > Weber Carb Info
> http://members.rennlist.com/webercarbs
> >
> >
> >
> > ----- Original Message -----
> > From: "Peter Pless" <ferrarilist [at] pless.com.au>
> > To: "Larry Turner" <l02turner [at] comcast.net>
> > Cc: "'The FerrariList'" <ferrari [at] ferrarilist.com>
> > Sent: Friday, March 21, 2008 9:43 PM
> > Subject: Re: [Ferrari] All about oil????
> >
> >
> >  I think that's an awesome article! It's exactly
> what I've suspected all
> > this
> > time, and considering the source as well, I'm
> going to be changing the oil
> > in my GT4 immediately.
> >
> >
> >
> > -----Original Message-----
> > From: pvb308 [at] comcast.net
> [mailto:pvb308 [at] comcast.net]
> > Sent: Friday, 21 March 2008 3:09 AM
> > To: Peter Pless
> > Cc: The FerrariList
> > Subject: [Ferrari] All about oil????
> >
> > I came across an interesting article on engine
> oil, from the Florida
> > Region
> > of the Ferrari Owners Club. Since I'm not an
> expert on engine oils---does
> > anyone have any opinions on this article???? The
> article can be found at:
> > www.focfloridaregion.com/
> > To open the article -on the left side of the page-
> click on "Educational
> > Articles" --then click on "Introduction to Motor
> Oil".
> >
> > Thanks,
> >   Jerry in Ponte Vedra Beach, FL
> >
> >
>
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