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914World.com _ 914World Garage _ this might be a stupid question

Posted by: willard912 Jul 7 2013, 11:08 AM

HI guys, I just finished rebuilding a mostly stock 1.7 engine. After I was done tuning the carbs and setting timing I noticed I had an oil leek at the base of the head/top of the cylinder??? I was confused on how oil could even make it there anyway; So my thought was pull the valve cover and re-torque the head bolts with the thought that the oil could be passing by there. When I pulled the valve cover I notice it wasn't very wet in there. how much oil should the heads be getting while it is running. I did start the engine with the valve cover off and it does get some oil from the push rods... just doesn't seem like a lot.

Thanks
William

Posted by: willard912 Jul 7 2013, 12:28 PM

Also if anybody has any ideas were this oil could be coming from your thoughts would be appreciated

Posted by: SirAndy Jul 7 2013, 01:10 PM

Oil pressure switch on top of the engine? It should be right above where you see the oil ...

Posted by: willard912 Jul 7 2013, 07:35 PM

I did check the oil pressure switch and it is dry as could be. I guess ill have to take the tin off on that side and check it out

Posted by: Drums66 Jul 8 2013, 02:04 PM

....Oil cooler seals? or possibly oil filter?
(I've had all those happen,even the 1 andy mentioned)

Posted by: willard912 Jul 9 2013, 06:00 AM

Well, I took the tin off last night and all of the seals are dry?? oil cooler is dry, filter is dry and the bases of the cylinder are dry??? I'm thinking it might just be assembly oil that collected in the bottom piece of tin and vibrates out when it worms up and gets viscus. I guess I'll put it all back together and find out.

Ok now back to my original "stupid Question". How much oil should the heads be getting while engine is running? I had the valve covers off while it was running and it was not getting a lot of oil. I just assumed it would be pumping a bunch of oil up there. I don"t have a way to check my oil pressure yet because this engine is in my 912. 912s have oil pressure and oil temp idiot light that both use a green/black wire. so until i get a duel sensor my light will be on. I just want to make sure that the heads are supposed to get just a little oil and not a lot.

Thanks guys

Ill let you know if it still leak or if cleaning that lower piece of tin did the trick

Posted by: willard912 Jul 9 2013, 06:02 AM

here is a picture from the top looking down. you can see where the oil is collecting before it drips out he bottom

Attached thumbnail(s)

Posted by: willard912 Jul 9 2013, 06:06 AM

Here is pressure switch and the top oil cooler seal.(that is actually cylinder #4 not 2)

Posted by: Woody Jul 9 2013, 06:11 AM

At idle you probably wont see much oil. When you're higher up in the RPM range there will be bunches of oil in the valve covers. It drains back pretty quick when you turn off the engine. Enough so when you remove the valve covers there wont be much standing oil.