<VV> oil change to 15-40

[J. R. Read]

You don't want anything past SL.  SM is a no-no for our Corvair engines and 
I suspect for other flat tappet engines as well.

Later, JR

----- Original Message ----- 
From: "Ken Clark via VirtualVairs" <virtualvairs at corvair.org>
To: "Bryan Blackwell" <bryan at skiblack.com>
Cc: <virtualvairs at corvair.org>
Sent: Thursday, October 09, 2014 8:16 PM
Subject: Re: <VV> oil change to 15-40


> The following info is on label of the Delvac oil which gave info as to 
> what it can be used for:
> HD diesel oil 15-40 Hi performance is recommended for use in new and older 
> engines.  Also meets requirements of AP-SM specs for gas engines.  I feel 
> it should be very adequate for the engine I want to use it in.  Ken
>
>
>
>> To: bryan at skiblack.com
>> Date: Thu, 9 Oct 2014 14:42:04 -0400
>> CC: virtualvairs at corvair.org
>> Subject: Re: <VV> oil change to 15-40
>> From: virtualvairs at corvair.org
>>
>> Thanks to all for the information, I will keep tis info for future use. 
>> The Lakewood engine is just broken in after a rebuild.  Will consider 
>> what I received before I change the oil.  Ken
>>
>>
>> > Subject: Re: <VV> oil change to 15-40
>> > From: bryan at skiblack.com
>> > Date: Thu, 9 Oct 2014 10:34:15 -0400
>> > CC: virtualvairs at corvair.org
>> > To: kcvair at hotmail.com
>> >
>> > On Oct 8, 2014, at 10:34 PM, Ken Clark via VirtualVairs 
>> > <virtualvairs at corvair.org> wrote:
>> >
>> > > Need an honest opinion on Mobil's Delvac 15-40, labeled as an oil for 
>> > > diesels to be used for my Lakewood.  Seems like I saw that mentioned 
>> > > at one time as a good grade of oil to use.  Has the zddp on the 
>> > > label.  I know there are other oils that do a good job, but this is 
>> > > one I have and considering using.
>> > > Ken
>> >
>> > Hi Ken,
>> >
>> > Be sure it's also rated for gasoline engines - many diesel oils are - 
>> > and that it has enough ZDDP (>1000 is what I look for).  The two 
>> > driving Corvairs here have non-rebuilt engines, I like the oil pressure 
>> > better with Mobil 1 15W-50 in them.  For a rebuilt engine, I'd consider 
>> > their Mobil 1 Turbo Diesel 5W-40 since the clearances will be better, 
>> > and I know it's gasoline rated.  If the Delvac meets the ZDDP and 
>> > gasoline criteria it should be fine, although you can look through 
>> > Richard Widman's info to find a superior oil versus "good enough".
>> >
>> > Notes - I realize a lot of folks like different oils for various 
>> > reasons.  One reason I use M1 is because my cars leak a little, so 
>> > being able to buy it at WalMart is a consideration for trips.  Given 
>> > the oil consumption I'm also not willing to boost something else with 
>> > an additive, I want one that comes with the correct level in the 
>> > bottle.  For me, the cost is fairly low given the number of miles we 
>> > drive, the cars only get one oil change a year and a couple extra 
>> > quarts along the way.
>> >
>> > --Bryan
>> >
>> > Bryan Blackwell | Springfield, Va. | bryan at skiblack.com | 
>> > http://autoxer.skiblack.com/
>> >   Corvairs: '62 700 Wagon, '64 Greenbrier, '65 Corsa, '66 Corsa
>> >   '69 Road Runner, '99 Neon R/T, '00 Miata SE, '09 Ford F-150
>> > "Why do something if you're not going to obsess about it?"
>> >
>> >


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