[Fot] VR-1 Oil

[Bill Tobin]

Hi, I didn't realize Rotelle T was that high.
I use it in my Diesel tractors and my old pickup. Also my old Oliver 1650.
Good stuff.
Thanks for the info.
Bill
P.S. The new Hemi uses 5w-20.
----- Original Message ----- 
From: "Duncan Charlton" <duncan.charlton54 at gmail.com>
To: "FOT of" <fot at autox.team.net>
Sent: Saturday, April 20, 2013 9:45 AM
Subject: Re: [Fot] VR-1 Oil


> Just to refresh my memory I had a look at some of the archived discussions 
> on
> bobistheoilguy.com.  It may not be news, but we shouldn't lose sight of 
> the
> fact that it's not all about maximum ZDDP.  Some consider 1800ppm to be 
> the
> upper safe limit due to corrosion of some camshaft materials and that 
> anything
> above 1500ppm after break-in is unnecessary.  Mobile 1 racing oils have
> 1750ppm, VR1 conventional has 1300, B-P oils have 1300ppm, Redline race 
> oils
> have 2500ppm, Rotella 15W40 has about 1300.  Depending on what research 
> one
> sees, an adequate level ought to be 1100-1500ppm.  Aircraft mechanics 
> point
> out that oil viscosity has something to do with cam lobe wear, too --  
> those
> who are flying non-certified engines are free to substitute oils, and 
> wiped
> out lobes are usually traced back to low-weight oil, ZDDP or not (one 
> mechanic
> mentioned that certified engines "don't use any ZDDP" but I haven't 
> attempted
> to confirm that).
>
> Duncan (using Rotella 15W40)
> Texas
> 1952 Morgan Plus 4
> #6 red
>
> On Apr 20, 2013, at 6:40 AM, Bill Tobin wrote:
>
>> It's not always all about price.
>> Maybe you like the product. If we can save a few bucks and get our usual
> stuff, why not?
>> I agree with you about the costs of vintage racing, but if you have had
> sucess in the past with a product, why not stick with it?
>> That's why there are many oils on the market. Choose the one you like.
>> Cheers, Bill
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