Has anybody vivisected a Denis Welch pump?
bs
On 6/11/2011 10:50 PM, richard mayor wrote:
> A few months ago I bought a brand new oil pump for a fresh race motor for the
> 2011 season. It turned out to be a "County" oil pump. The bag contained a
> flyer that said something like "do not open this oil pump - the gears have
> been carefully matched - do not disturb".
> Last week as I was assembling a fresh race motor for my 2011 racing season, I
> opened the oil pump to pack it with petroleum jelly (so it would prime faster
> on initial start-up) and I discovered two things. First, the casting was so
> bad that there was a big glob of aluminum sitting in the bottom of the cavity
> just before the gears ,where oil should be flowing freely. Then I removed the
> gears and saw that the inside of the housing. On one side, the housing was so
> bad that it was worse than an oil pump housing that had gone through a
> catastrophic engine failure. There were huge voids in the housing wall that
> should have been smooth as glass. This was worse than an old worn out -
> severely damaged - oil pump!!! And sold as brand new.
> Some moron (in China or India?) had assembled this piece of crap, perhaps
> knowing, or not, that it was hugely defective, put it into a plastic zip lock
> bag and then added that warning flyer to not open up this pump. Most engine
> builders do not open up oil pumps when they do a rebuild. Sadly, in today's
> world this is what we get - "County" - for our Healeys.
> BTW, I sell ACL engine bearings for 6 cylinder Healeys. but then, so does
> County.
>
> Richard Mayor
> BN7L-466 Vintage Racer
> Portland, Oregon
> _______________________________________________
>
>
--
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Bob Spidell San Jose, CA bspidell@comcast.net
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