[DeTomaso] Clevelands, Redline, & ZDDP

[Rob Dumoulin]

Call me superstitious, call me obsessive compulsive, but in Florida where
it's never cold, I've sworn by Castrol 20W-50 and my engines have never ever
failed or burn oil even with my heavy boot.  Too many cars and years to
count.  I could be their poster child if I weren't so homely.

Island Rob
#1488

On Thu, Jun 10, 2010 at 2:32 PM, Tomas Gunnarsson <guson at home.se> wrote:

> I've heard the same claim. It is also my understanding that synthetic oils
> by nature have a wider span and hence don't need as much additives to cover
> a wide range. When I used mineral oil for my first car I used to go with
> 20W50 or 10W40. Pretty much all the synthetics around here start at 5 or
> even 0. I'd still prefer using whatever has an ending with 50 if I was
> putting it in a Cleveland.
>
> Tomas
>
> -----Original Message-----
> From: GW [mailto:gow2 at rc-tech.net]
> Sent: den 10 juni 2010 01:31
> To: Tomas Gunnarsson
> Cc: Jim Hendrickson; detomaso at realbig.com
> Subject: Re: [DeTomaso] Clevelands, Redline, & ZDDP
>
>
> It has always been my understanding that the wider the range in
> viscosity, the more additives are required. The more additives required,
> the less actual "oil" in the oil. I try to avoid a range wider then 10w30.
>
>
>
> Tomas Gunnarsson wrote:
> > Original recommendation is 10W50, going to a whatever W30 is a rather big
> > step in viscosity IMO. I normaly run 5W50 but currently I'm running 5W40
> and
> > I notice a lower pressure reading at operating temp already.
> >
> > Also, to clarify: A 10W30 oil doesn't get thicker with rising temp, it's
> as
> > thick as a cold 10 oil when cold and as thick as a hot 30 oil when hot.
> That
> > means pretty water-like at engine temperature.
> >
> > Tomas
> >
> > -----Original Message-----
> > From: Jim Hendrickson [mailto:chendric at bellsouth.net]
> > Sent: den 9 juni 2010 23:48
> > To: 'Tomas Gunnarsson'; detomaso at realbig.com
> > Subject: RE: [DeTomaso] Clevelands, Redline, & ZDDP
> >
> >
> > If I understand the multi-grade oil ratings correctly, the 10W30 should
> have
> > the same consistency as a 10 weight oil when it is cold and the
> consistency
> > of a 30 weight oil when it is hot. I have been using their 10W40 oil and
> > have not noticed any oil related problems.
> >
> >
> >
> >
> > -----Original Message-----
> > From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
> On
> > Behalf Of Tomas Gunnarsson
> > Sent: Wednesday, June 09, 2010 4:57 PM
> > To: detomaso at realbig.com
> > Subject: Re: [DeTomaso] Clevelands, Redline, & ZDDP
> >
> > Won't a 10W30 oil be very runny for an old Cleveland at operating temp?
> >
> > Tomas
> >
> > -----Original Message-----
> > From: detomaso-bounces at realbig.com
> > [mailto:detomaso-bounces at realbig.com]On Behalf Of Jim Hendrickson
> > Sent: den 8 juni 2010 20:22
> > To: detomaso at realbig.com
> > Subject: [DeTomaso] Clevelands, Redline, & ZDDP
> >
> >
> >
> >
> >
> > I got curious so I asked.
> >
> > Below are the results from the Red Line Oil Web Site Application Request
> > Form submitted 6/7/2010 8:11:24 AM:
> >
> > Recommendations: Recently there has been some discussion of cam wear and
> the
> > need for ZDDP in our engine oil . I was not able to find any information
> > regarding ZDDP in your technical information. Should I be using a ZDDP
> > additive in my Cleveland engine? Thanks
> >
> > Jim,
> >
> > Thank you for contacting Red Line Oil, our oils contain good ZDDP levels
> and
> > provide extremely good anti-wear protection for flat tappet cam and
> lifter
> > protection. In your Cleveland I would recommend the 10W30, it contains
> 1200
> > ppm phosphorus a significant level so additional wouldn't be necessary.
> >
> >
> > Regards, Dave
> > Red Line Oil
> >
> >
> >
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-- 
Rob DuMoulin
904.476.8744
rob at dumoulins.net