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Morris Minor issues.
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Jim.Walker



Joined: 27 Dec 2008
Posts: 1229
Location: Chesterfield

PostPosted: Thu Jul 28, 2011 10:02 pm    Post subject: Reply with quote

I seem to remember two common fuel problems with Minors. The first will not help here, since you have tried fuel from a container, but the Minor was fitted with a petrol cap with a breather hole in the centre. These caps were quite commonly lost and replaced with an "off the shelf" replacement which looked identical at first glance. What it did not have was the vital breather hole to prevent the tank vacuuming. Whenever a Minor stopped it was the first thing we checked.

The second was the result of placing the SU petrol pump above tank level so that it not only had to "push" petrol to the Carb., but also had to lift petrol from the tank. The slightest leak in the piping above tank level did not show a petrol leak, but allowed air to be "sucked" into the pump more easily than petrol allowing the engine to starve. This was the second thing we checked.
It was amazing how often we needed to look no further.
Jim.
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Quote from my late Dad:- You only need a woman and a car and you have all the problems you
are ever likely to want". Computers had not been invented then!
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