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 Posted: Aug 13, 2017 08:24PM
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I am so happy for you.

 Posted: Jun 9, 2017 09:54AM
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US
Another way  ....  We all have our own ways...

 Pre fill engine and filter + fill block to filter outlet pipe with oil re connect everything.

I use a Pressure tank with Oil inside.  Connected to the Oil pressure sending unit port on the block.  (this really is a MGB brass expansion radiator tank)... Apply pressure 5-10 psi with a radiator pressure tester and the oil will flow under pressure Back INTO the engine.

15 - 20 min of this slow flow of pressure you will see oil exiting the rockers + dripping from the stems.. the engine is lubricated.

 First start never an issue of no oil pressure.

  Reverse push engine works too= along with slow pour to backfill the pump.

 Posted: Jun 9, 2017 05:11AM
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I did not had to do this on my mini, but on other rebuilds, I have used Lubriplate #105 assembly lube to pack the pump and pickup tube, its just thick enough to stay in place.

 Posted: Jun 9, 2017 03:59AM
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US
I have a engine test stand which I built as a result of small leaks weather water, oil or fuel all are hard to deal with in the car. Recently I was ask not to do the test stand run in due to cost. I needed a place with wheels to store the power unit so I put it on my engine stand. Before installing in car I decided to crank it up on stand. It leaked water, oil and fuel. All located and repaired in a few minutes.

As for priming oil pump, I remove the large bolt at rear of block and back fill the pump. I also fill the oil filter with oil then I remove the oil pressure switch or adapter and fill the gallery with a oil can. With out plugs spinning the engine should produce OP.

Just me but in all the years I have been building these engines I have never reused a oil pump. I keep a couple of the small bore, big bore and turbo pumps on hand all the time. Considering they eat tranny trash before sending oil to the filter I feel they should be replaced when ever possible. Steve (CTR)

BTW, while on engine stand setting on a bar stool I can place both feet on hat and pull the long clutch arm with both hands and pop the clutch. I once had a used diaphragm with a wear groove that would not release no matter how much pressure. I assembled the flywheel clutch assembly and placed in press the gauge showed 10 tons and no release. Took it apart and greased the wear groove and retried and it released barely moving the gauge. Every since I do not assemble them dry.  

 Posted: Jun 8, 2017 02:27PM
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Excellent point. I have used this tip before but did not strip the old pump as it was developing great pressure prior to the rebuild. I did remove it to get the cam out of course and should have packed it then but forgot (!),
Steve 

 Posted: Jun 8, 2017 12:29PM
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Top Tip..............when you've got the new pump apart  to check it (everybody does strip and inspect their new pumps?) upon reassembly pack the rotor and vanes with petroleum jelly fill it completely then you will never suffer from dry cranking your new build ever again...............

Mini's are like buses they come along in a bunch

 Posted: Jun 8, 2017 08:28AM
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Sorry if this is repeating good advice from elsewhere on this forum but I am so happy I needed to post....

I just finished replacing mains, con rod bearings, cam bearings, piston rings, timing chain, tappets, clutch, stem seals as well as honing bores and replacing every seal I could reach. I made sure to spread assembly lube liberally over every friction surface I could reach and was glad I did.

Cranking with plugs out would not build oil pressure, despite pre-filling my new Mahle oil filter and I was close to pulling the engine to inspect the pump when a good friend called who had just rebuilt a Midget engine and had experienced the same problem. The solution was to disconnect the line between oil filter and block at the filter, invert it, attach a small funnel with PVC tube and fill with oil. Now the clever bit. I put the transmission into top gear and pushed the car backwards. This sucks oil directly into the pump assisted by gravity. I probably put  a half litre of oil in this way, reconnected the hard line and cranked again. Success !!

I am so relieved, especially as I now have over 60 pounds pressure while cranking.

After getting good pressure, I celebrated by putting green disc pads in the front and new shoes in the back. I'm off to get a new choke cable and will start her up today,

Steve