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

[Paul Bennett (pbennett]

Hans, thanks for adding that.  Will save it with my AEHass articles.
Question for you .  Earlier today I had my Oil Temp Sensor changed
as my Oil Temp Gauge hardly never gets up to the first mark.  That
sensor is at the bottom of the pan just where the dip stick enters.
Can it be normal that my engine just runs cool.  Also today the water
temp never hit midpoint either not did fans come one, but does on 
hot days.  Mechanic burped the air from the radiator etc but it made 
no difference.
p


>I argued a bit with Haas when he originally started posting those
>"articles" on FChat.  I guess inventing the avacado makes him an
>expert.
>
>He seems to know oil quite well, but his knowledge of auto mechanics
>is seriously lacking.  For example, different engines have their oil
>pressure sensors in different places.  Also, the oiling systems vary
>quite a bit - some are "parallel", in that the oil is dispersed to all
>the various places at once (like branches on a tree), and some
>are "serial" in that the oil must flow thru various parts to reach
>other parts.
>
>The 'old' Ferrari V8 has it's oil pressure sensor located in the oil
>filter base.  The oil arrives via some big dia hoses from the oil
>cooler, and then it's directed down a hole roughly 5/8" dia
>to feed the entire engine.  This entry point is a bit of a bottle
>neck, and therefore sees what is undoubtedly the highest
>pressure.  What the good doctor doesn't seem to realize is
>what happens deep in the bowels of the motor.  Just because
>you have 10psi/1000 rpm at the sensor doesn't mean that
>you have either sufficient pressure or volume at some critical
>part.  Suppose you have oil that is way too thin in relation to
>your main/rod bearing clearances.  That oil could very well
>be gushing out of the bearings and not providing sufficient
>protection.  This, depending upon oiling system design and
>sensor location, may not be reflected on your oil pressure
>gauge.
>
>Lots of older engines were built with comparatively (to today's
>designs) big bearing clearances.  Add to this normal wear, and
>you have a recipe for disaster if the oil is too thin.
>
>I had a car recently that had the opposite problem.  It was an
>DOHC GM V6, and they specified 5W20.  Someone put 10W40
>in it and the cam followers would stick in their bores producing a
>loud tappet noise.  As a strictly temporary measure, a mechanic
>poured in a quart of ATF to thin the oil down.  Noise stopped.
>And no noise at all when the correct oil was used.
>
>The owner's manual for the old Ferrari V8s specified some fairly thick
>oil - something like 10W50, I think.  I'm sticking with what it
>was designed for.......
>
>Hans.
>
>On 3/21/08, LarryT <l02turner [at] comcast.net> 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
>> >
>> > _________________________________________________________________
>> > To unsubscribe or modify your subscription options, please visit:
>> > http://lists.ferrarilist.com/mailman/options/ferrari/ferrarilist%40pless.com
>> > .au
>> >
>> > Sponsored by BidNip.com eBay Auction Sniper http://www.BidNip.com/ and F1
>> > Headlines http://www.F1Headlines.com/
>> >
>> > _________________________________________________________________
>> > To unsubscribe or modify your subscription options, please visit:
>> > http://lists.ferrarilist.com/mailman/options/ferrari/l02turner%40comcast.net
>> >
>> > Sponsored by BidNip.com eBay Auction Sniper
>> > http://www.BidNip.com/
>> > and F1 Headlines
>> > http://www.F1Headlines.com/
>>
>> _________________________________________________________________
>> To unsubscribe or modify your subscription options, please visit:
>> http://lists.ferrarilist.com/mailman/options/ferrari/flist%40hanshansen.org
>>
>> Sponsored by BidNip.com eBay Auction Sniper
>> http://www.BidNip.com/
>> and F1 Headlines
>> http://www.F1Headlines.com/
>>
>_________________________________________________________________
>To unsubscribe or modify your subscription options, please visit:
>http://lists.ferrarilist.com/mailman/options/ferrari/pbennett%40macnet.com
>
>Sponsored by BidNip.com eBay Auction Sniper
>http://www.BidNip.com/
>and F1 Headlines
>http://www.F1Headlines.com/
>