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September 29th, 2008

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Q & A: ZB Magnette Oil Pressure & Effect

Friday December 16th, 2005
Q & A, MGA, MGB, MGC, MG T-Type, Midget

John,
After the rebuild of the 1500 engine in my ZB Magnette I am now
experiencing
engine oil pressure of 80psi @ speed and 50psi @idle. My
concern is this - I am losing oil thru the "slinger" oil return at the rear
of
the engine which in turn leaks out thru the bottom of the trans. housing
(small hole with cotter pin). Research shows that this engine as provided
from
the factory would produce 50psi @ speed and 15-25psi @ idle. From your
experience is the oil return system on these engines adequate enough to
handle
the pressure I described? If not how can I reduce the pressure so as to stop
the oil being lost? Also if you have any other ideas or recommendations
concerning this situation I would greatly appreciate any or all input.

Thank you very much,
Ed
I wonder what you've done to reduce the oil leaking. Were you
successful?

When we rebuild a three main B series engine, we always have the
bottom end of the engine align bored (or align honed). This ensures that
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