6.0 oil drian on pan ?

[catman78]

Hi all,

I wanted to attach a quick drain hose rather then suck up oil through dipstick.
I see a bolt on port side of pan towards the front of the motor.
Is this the correct location for use of permanent line

see pic

thanks

 

[diver_dave]

Hi all,

I wanted to attach a quick drain hose rather then suck up oil through dipstick.

First question is why do you want to avoid the dipstick? Its very reliable, and no installed fittings to leak. Any hose/fittings leaks at the bottom and the oil goes to the wrong place!
If you do a bottom drain, consider the tilt of the motor. I'd want the drain aft in a straight shaft boat.

 

[willow]

Mine are twin 350 Crusaders and I use a permanent line attached to each oil pan. I just took the oil drain pan plug out of the bottom of the pan, went to a shop that sells all kinds of brass fittings and found a plug with a 90 degree nipple on it that would screw into the normal pan drain hole. The two hoses were, (one from each engine), routed back to the stern transom each hose had a "ball-cock" operated shut-off installed, connected the two hoses together at a "Y" fitting and then a single hose to a transom mounted 12V drain pump. I just use alligator clip extension wire to one of the batteries in the engine room and drain the oil into a container...very simple, no mess. With the ball cocks I can drain whaever engine I want.

That set-up has been in my boat for over 10 years....not a drop of oil in the engine room...well OK a bit ...but not from the drain set-up

 

[RicardoMarine]

Same with my twin engines.
I fabricated my own remote oil drain hose systems so that I could increase the hose diameter to 1/2". I used SAE fittings, and I welded steel bungs onto each oil pan.
Never had a leak in over ten/twelve years or so.


A remote oil drain hose system can actually allow for faster oil extraction, apposed to the dip stick route.
Also, dip stick tubes generally do not reach the lowest area of the oil pan, potentially leaving some oil behind.
However, in looking at your image, it does appear that the connection is at the extreme low point.

As for potential leaks..... the Aluminum oil pan dip sticks attach via fittings, of which may be a potential leak area, as well as the OEM drain plugs.
Sure.......... there is only one potential leak point right at the drain plug gasket, whereas with the remote hose and attached dip stick tubes, there may be several potential points.
Just use your best mechincal skills when installing.

Thousands of Marine Engines are equipped with remote drain hoses.
I do not recall reading about common failures.


All that said....., there may be one obsticle for you.
These are aluminum oil pans..... correct?


If so, the aluminum oil pan drain plug thread pitch or size may not be the same as the drain plugs found in the sheet metal oil pans, of which may affect the kits that you purchase.
IOW, be prepared for chasing down a few parts if the thread pitch/size is not the same.



.

 

[makomark]

Doesn't look like there's a lot of room between the existing drain and the stringer....I'd take this into consideration BEFORE you start to make sure you don't get any surprise during the install or after it is done.