I run the VR-1 20W50 for the ZDDP.
CR
On 7/7/2014 2:51 PM, Chad wrote:
> I run Valvoline VR-1, for the ZDDP Have run many miles on this oil, solid
> oil pressure.
> Chad '72 B
>
> -----Original Message-----
> From: Mgs [mailto:mgs-bounces@autox.team.net] On Behalf Of Max Heim
> Sent: Monday, July 07, 2014 11:54 AM
> To: MG List
> Subject: Re: [Mgs] another oil question? really?
>
> I don't buy that oval story. The whole idea is to keep the piston square in
> the bore, so the rings seal. You oval out the bore, the rings are circular
> -- the only way they can seal is to cock the piston, which can't happen
> because there are 3 rings, not one.
>
>
> --
>
> Max Heim
> '66 MGB GHN3L76149
> If you're near Menlo Park, CA,
> it's the primer red one with chrome wires
>
>
> on 7/7/14 9:20 AM, Clayton Kirkwood at crk@godblessthe.us wrote:
>
>> Yes! Ok, I've had my 62 mga engine rebuilt 3 times by "experts". The
>> current iteration seems solid - put a couple thousand miles on her.
>> But she sips oil modestly. The guy who did the machine shop work for
>> my 59 Land Rover told me that most machine shops and rebuilders machine
> the cylinder walls wrong.
>> They make the cylinders round instead of slightly oval toward the
>> bottom of the stroke which considers the pull and push rotation of the
>> driveshaft and connector arm. Seems reasonable to me.
>>
>>
>>
>> So the question. Should I increase the viscosity of the oil to allow
>> less oil burn, and/or, go to synthetic which won't burn off?
>>
>>
>>
>> Also by now, I'm figuring she has finished running in and plan to
>> change oil/filter.
>>
>>
>>
>>
>>
>> "We live in the greatest nation in the history of the world," he
>> pleaded. "I hope you'll join with me as we try to change it." Barrie
>> Obama
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