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If have have a Pep boys, Autozone etc around you they usually have the hand pump kind, or you could look for a electric pump unit, but most all parts places have them, even walmart has them.
 

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21 Daytona
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might be a little redneck for you but, I use a 5 gallon bucket with a lid, drilled a hole in it and pushed a 3/8" hose in it to the bottom. the hose is long enough to go thru my drain plug at the back of the boat, I connect it to the engine and hook a shop vac to the pour spout on the bucket, it will drain the oil in about 2 minutes.
 

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seriosly they all suck. On the cruiser i put a drain hose to the pan and then got one of those drill pumps from home depot and hooked it up to the drill, It draind the pan in about 4 min. An 1/8 inch hose thru the dipstick is going to take a long time. just my opinion. I always warmed the oil, it made it alot easier.

On the tunnel, i pull out the dizzy and use the prime tool and put a pipe fitting in an oil journal buy the filter. That gets most of it and pertty fast.
 

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79 Sanger Picklefork
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might be a little redneck for you but, I use a 5 gallon bucket with a lid, drilled a hole in it and pushed a 3/8" hose in it to the bottom. the hose is long enough to go thru my drain plug at the back of the boat, I connect it to the engine and hook a shop vac to the pour spout on the bucket, it will drain the oil in about 2 minutes.
Somewhere on this forum there were photos of a homemade 5 gallon bucket with the parts used and hooked to a shop vac...I would like to see those photos if someone has them...
 

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I got a mighty vac 10 qt unit from Napa, 89.00 takes about 15 minutes to get all other oil out, but there is always something else to do while its working, works for me anyway.

Something else, I have a number six an line permanently plumbed to the pan at the bottom , about 16 inches long ,and points straight up by the starter, attaches to block with an adel clamp, when I want to drain oil, I unscrew the #6 cap, stick the vac unit to it, using the 3/8 hose and let it rip. I don't have to get close to the pan or fiddle with stuff, very easy for me, don't have to use dipstick hole either, just simple
 

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Idaho Jet
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Oil Sucker

Who knows where i can buy a oil sucker machine that sucks the oil from the dipstick?

Thanks Guys:)devil
Overtons has one. It doesn't hook up to power, you just put the tube(it comes with different size tubes) down your dipstick hole and pump the handle a few times and it will drain it in about 5 min's. So you don't have to run power to your boat....

Craig
 

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Angry American
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here's a "How To" I did awhile back for another message board-

Over the years, there have been many people that have gotten very frustrated with changing the oil on a boat. I turned a 5 gallon bucket into a vacuum canister to suck the oil out of the oil pan. It works best with an oil drain line attached to the pan but it will also work if a person has a tube that will fit down the dipstick tube.

Pictured are most of the items you will need.
The full list is as follows that will cost you about $10.00 at Home Depot or Lowes-
5 gallon bucket with lid - it's best to have a lid with the 1-1/2" plug or you will need to drill that sized hole
1/2" conduit locknut
1-1/2" conduit locknut
1-1/2" pvc male adapter
1/2" pvc male adapter
1/2" threaded coupler - threaded on both ends
1/2" x 2" nipple



Pull the plug on the lid or drill the 1-1/2" hole then put the 1-1/2" male adapter through it. I added some tub and tile sealant to the outer side of the adapter but it really isn't needed. Put the 1-1/2" conduit locknut on the underside and snug it down-




Drill a 7/8" hole in the lid opposite the 1-1/2" and repeat the above with the 1/2" male adapter except put it through from the underside, snug the locknut down and then install the threader coupler and 2" nipple-






That's it, you're done with putting the top together in about 20 minutes or less-




What I did with mine is I attached a 4' long 3/8" stainless steel dishwasher supply line to the oil pan when I put the engine together. Up until doing this, I was pulling the line through the plug hole in the transom adapter and letting the oil drain out or I'd put an air line to the breather to force the oil out. Pressurizing the block, even with about 5lbs, always bothered me so I thought doing this would work. I just attach the 3/8" line to the 1/2" nipple, attach a vacuum, put the hose into the 1-1/2" hole and turn it on. The oil gets sucked right into the 5 gallon bucket with no mess whatsoever in about 2 minutes. A shop vac works great as does this little dirt devil vacuum.




I hope this will make changing the oil a bit easier for many of you.
 

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Judging by the "Home Depot, #20, 23 gal shop vac by Rigid" I was using yesterday (In my best Post winning Nascar race winning speech) It would suck the oil pan through the hose! I think it would probably do fine! real similar to a siphon cup spray gun im assuming.
 

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LAID IN MEXICO
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750 Posts
vac bucket

i made one of these about a year ago. i have a small line to go down the dip stick, and one for the drain plug. dip stick is a little slow, but it still works fine.
 

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Blender I got mine from West Marine and it works great :D Its got a 12v pump and when the oil is warm it can drain a pan real quick ... The oil has to be warm or it won't work worth a damn ... I got mine for my ski boat and had to make up a hard plastic tube (about the size of a pencil) to go down the dip stick to the bottom of the pan and it will suck it out in under 5 min with no mess at all .. It might leave alittle in the pan but not enough to ever worry about..
 

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i've been using one of these for about 17 years. works fine as long a the oil's warm. i've used it at home, in campgrounds a few times, at the track.
next to last time i used it, seemed to take forever. after it finally got all the oil out, took the end off the pump and 2 of the impeller vanes were gone. found a source for impellers, replaced it, like new again...
 

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Admittedly not cheap but this device was well worth $350 we paid , I will evacuate 90% of the crankcase oil (or ATF etc) in about 10 minutes thru a half dozen provided catheter tubes , holds 5+ gallons too it even has a system to pump the oil into a container to recycle Tom
 

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Damnit! I wish I'd seen that 5 gallon bucket deal before I dropped the coin for this!
fluid extractor, oil change, vacuum pump

It works good, it's just sloooooooooooow, especially when the 50WT is dead cold. Takes 4 or 5 hours, I usually start it in the evening, close the garage and it's done in the morning. Another thing I like about Motive is this, my extractor is like 3 years old, I over pumped it last time I changed my oil and the bottle sucked in on itself. I contacted Motive and they put a brand new one in the mail, no questions asked. I like a company that stands behind their product.

Damn, now I gotta go get a 5 gallon bucket!
 
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