<VV> More Corvair Oil Confusion?

[Mark Durham]

Mike, you might want to check but the racing/motorcycles oils have
different chemical additives that are not designed for a larger
automobile engine, I think Richard Widman has made statements on that,
and I've read something on that on the Amsoil site, but the other
Mobile 1 oils and Amsoil oils will work fine, I think their Mobil 1 15
W50 has the required amount of ZDDP in it. Amsoil 10 W40 also has the
correct amount of ZDDP as well as some of their heavier oils, but
unless you have a wore out engine why go with heavier? Its actually
detrimental to engine loife and cooling.

I've just decided to buy the additive and use a good full synthetic 10
W30 and add additive as needed. Mark Durham

On 3/8/11, John O'Shea <jco99 at cox.net> wrote:
> To get a detailed answer to your question about C series oils please review
> the recent volumes of information about this on Virtual Vairs and Corvair
> Center.  In brief, CI-4 was recommended for Corvair engines by an oil
> industry expert because that designation has the levels of zinc and
> phosphorous needed to protect flat tappet engines.  Those levels have been
> reduced in most oils to protect the catalytic converters in newer engines
> that do not have flat tappets.
>
> ----- Original Message -----
> From: "Tom Berg" <thesuperscribe at yahoo.com>
> To: "Mark Durham" <62vair at gmail.com>; "Daniel Monasterio"
> <dmonasterio at hotmail.com>
> Cc: "VirtualVairs" <virtualvairs at corvair.org>
> Sent: Tuesday, March 08, 2011 3:21 AM
> Subject: Re: <VV> More Corvair Oil Confusion?
>
>
> C series oils are designed for compression-ignition (diesel) engines. Why
> would
> you want to use them in a spark-ignition engine?
>
>
> --Tom in Ohio
>
>
>
>
> ________________________________
> From: Mark Durham <62vair at gmail.com>
> To: Daniel Monasterio <dmonasterio at hotmail.com>
> Cc: VirtualVairs <virtualvairs at corvair.org>
> Sent: Mon, March 7, 2011 9:48:43 PM
> Subject: Re: <VV> More Corvair Oil Confusion?
>
> The CI-4 Plus is the reduced zddp version designed to meet the newer
> diesel emissions requirements. If you look at the semi synthetic and
> full synthetic versions, they still also say CI-4. Its been this way
> for awhile. However they do advertise the petroleum oil as doing a
> much better job at reducing wear in engines by an agressive additive
> package. There are other additives that can also help reduce wear.
> But, would I use the straight oil in my engine without a ZDDP
> additive? No. But I would use the Full synthetic. It has the CI-4 and
> is a full synthetic.Mark Durham
>
> On Mon, Mar 7, 2011 at 4:18 PM, Daniel Monasterio
> <dmonasterio at hotmail.com> wrote:
>>
>>
>>
>>
>> According to Richard Widman's recomendations CI-4 is the right one but,
>> not the
>>CI-4 Plus. Don´t remember the details.
>>
>> Daniel Monasterio
>>
>>> From: jco99 at cox.net
>>> To: virtualvairs at corvair.org
>>> Date: Mon, 7 Mar 2011 14:14:46 -0800
>>> Subject: Re: <VV> More Corvair Oil Confusion?
>>>
>>> Just saw the new shipment of Shell Rotella T 15W-40 at Sam's Club. The
>>> old
>>>Rotella T 15W-40 had CI-4 and CI-4 plus on the label.
>>> The new Rotella T 15W-40 has CI-4 plus, but no CI-4 on the label. Is CI-4
>>>
>>> plus
>>>an OK oil for Corvairs?
>>> This was also posted to CorvairCenter.com
>>>
>>> Jack in Las Vegas where Spring has sprung!
>>> Cherry trees are in blossom all over the place.
>>>
>>>
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