[Mgs] No oil pressure new B engine

gordies garage mg_garage at comcast.net
Sun Jan 23 13:19:52 MST 2011


Actually, when I used a 3 main gasket on a 5 main motor, it left a small gap 
so that air could enter the pump, and pumps don't pump air.

Gordie
--------------------------------------------------
From: "Barney Gaylord" <barneymg at mgaguru.com>
Sent: Sunday, January 23, 2011 2:58 PM
To: "Richard Ewald" <richard.ewald at gmail.com>; "Ed's Shop" 
<shop at justbrits.com>; "MG List" <mgs at autox.team.net>
Subject: Re: [Mgs] No oil pressure new B engine

> See here: http://mgaguru.com/mgtech/engine/of101a.htm
> If plug "3" is missing you will have no oil pressure.
> If port "E" id plugged you will have excessively high oil pressure.
>
> These are two most common errors by an engine shop.  While the shop should 
> know better, an amature assembler is not likely to catch the error.  Sump 
> must be reoved to check.
>
> Fitting the wrong gasket for the oil pump can possibly obstruct the inlet 
> port.  Not sure if this affects the 3-main or 5-main engine (possibly 
> both).
>
>
> At 11:10 AM 1/23/2011 -0800, Richard Ewald wrote:
>>My buddy had a new engine built for his B.  Engine does not produce any 
>>oil
>>pressure. ....
>>I have pulled the line to the oil pressure gauge and pumped oil backwards
>>into the engine per the suggestion on Barney's website.  We have even 
>>turned
>>the engine backward, and still no oil pressure.  I tried pumping oil into
>>the oil pressure gage line and then using shop air to force the oil down
>>into the pump.  When I did this I could hear the air bubbling in the oil 
>>pan
>>so I am fairly sure the pump is NOT dry at this point.
>>Taking the hose off the inlet to the oil cooleer I can feel some pressure
>>buld up, but I am getting no oil out.  We have carnked the engine with the
>>plugs out till the batteries are dead.
>>So I have two questions before I pull the pan.
>>I seem to recall that either the gasket kit either came with two gaskets 
>>or
>>it is possible to get the gasket on backwards/upside down.  Is my memory
>>correct, or am I getting old?
>>Any other suggestions you have before I pull the pan?
>>....
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