[Mgs] another oil question? really?

Chad mgb72 at airmail.net
Mon Jul 7 13:51:34 MDT 2014


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 at 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 at 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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