[DeTomaso] Clevelands, Redline, & ZDDP

[GW]

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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