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Priming Engine


natallica
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I've read "Dad's basic rebuild thread" and searched for several other answers, but I'd like to find out for sure... without having to buy special equipment, what would be the proper way to prime a fresh rebuild with oil, so that initial startup is "successful"? What port in the block do I use?, what should be capped off?, how can I jerry-rig something to properly fill it?... yada, yada, yada.

 

So far I feel that I've done things right, and I'd really hate to screw up now... pics would also be helpful (if possible)

 

Thx in advance guys!

 

N8

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Here's what I use. It's an old garden sprayer, some 1/8 vinyl hose, and a plastic 1/8-27 npt hose barb adapter. The metal adapter screwed into the side of the block is a 1/8-28 BSPT to 1/8-27 NPT adapter for my aftermarket oil pressure gauge. No need to go hog wild pumping up the pressure and aerating the oil, 4 to 5 pumps will do.

 

If you dont want to tear up a garden sprayer, go to your nearest marine supply store, and buy an outdrive gear lube pump. It screws to the top of a 1qt. oil bottle, and will run you under $10. It will have a different adapter ziptied on the end of the vinyl hose, but a trip to lowe's to get the right one easily fixes that. I have a boat, so i use my sprayer to change my lower unit oil too.

 

Unless you have some plugs for where the oil cooler lines attach or the turbo feed line, i wouldn't reccomend doing it while the engine is on the stand. Wait till it's in the car and all hooked up. As you can see it by the puddle on the floor it starts coming out there. Once the engine was in the car, I filled the oil this way.

 

http://i404.photobucket.com/albums/pp121/hschwartz3/1987%20Mitsubishi%20Starion/Engine/8%20to%201%20motor/oilprime2.jpg

 

http://i404.photobucket.com/albums/pp121/hschwartz3/1987%20Mitsubishi%20Starion/Engine/8%20to%201%20motor/oilprime1.jpg

 

http://i404.photobucket.com/albums/pp121/hschwartz3/1987%20Mitsubishi%20Starion/Engine/8%20to%201%20motor/oilfilterassyandauxsender.jpg

 

Once the motor was filled with oil, I disconnected the neg. and pos. coil wires, disconnected the injectors and cycled the motor a couple seconds with the starter to verify i had pressure.

Edited by hschwartz3
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