Oil leak/oil pump

I have an leak that only shows (under load)while driving, Looks like its at the oil pump. Is there a gasket there or just rtv?
Also looks like I'm getting some blow-by out the dipstick tube. What would cause this?

Looks like I may need a seal behind the degreed pully, Where the best place to order these and what's the correct terms.


Is this part of the "maddness"?

See images 5 and 6 re: the gasket:
http://www.shoptalkforums.com/viewtopic.php?t=117855

I'd only be guessing on the blow-by. Others will know! Wait a bit, they'll be posting!
Try a search for "blow-by" in "KNOWLEDGE" top right. You might want to specify engine config; ie cc's, upgrades etc as a cue for better responses. Anyway, the above link will give you some clarity as to the mech assy.

Bill,

How many mile's are on your motor? How much oil do you have in your motor check your oil level. Also check your oil filler if the breather connection are clear if plugged can cause to much case pressure can cause some blow by or worst case the ring's could be bad.Also there are two gasket's for the oil pump.

ROLAND

There should be a gasket between the pump and crank case.....If you can wiggle a mirror in there, check to see if the oil has left a drop hanging from it's point of origin.....I have had a small leak develope from an improperly torqued pump cover/mounting bolt....Just a thought.....

Do you have an add on crankcase breather system?

https://www.speedsterowners.com/forum/readmsg.asp?t=14117

It won't fix tired rings or bad gaskets but can prevent build up of pressure (and resulting oil leaks) in the engine. Can plumb the one little OEM breather tube to it and the valve covers to reduce internal pressures.

In answer to your last question, Bill, yes, this is part of the madness.

Bill:

You've not filled out your profile or info page so we can't tell what engine displacement you're running, but your problem my NOT be a bad seal.

What you certainly have is excessive crankcase pressure, usually caused by worn piston rings (if the engine is stock or 1776cc's or under) or, if the engine has been modified to a larger displacement it is caused (as Wolfgang mentioned) by excessive crankcase pressure caused by the larger engine. The symptom is oil pushing out of any opening related to the crankcase (dipstick, oil filler breather, etc).

Installing a "seal" behind the crankshaft pulley is like putting a band-aid on a dam - all that will do is push more oil out of whatever other opening it finds next. Besides, VW engines (with the exception of engines on dune buggies which see a lot of sand and grit) don't have a "seal" behind the pulley and really don't need one.

What you probably need is a good crankcase breather system.

Do a search on here for "breather" and see what others have done, especially Lane Anderson. He had a leak that he tried to find/fix and did an entire new breather system that would help your engine a lot.

gn

Bill,

If the breather doesn't work
take your car to your local shop and have them do a leak down test on your motor it's another way checking what's going in your motor it shouldn't cost to much to have done.
for more info on this test google engine leak down test it will fill you in on all the info .

ROLAND

Sorry for the lack of info ( got to much going on)
Engine specs are 2110cc with chromoly forged 82mm stroker crankshaft, 5.5" chromoly race rods, eliminator 2000 aftermarket race heads with 42x37.5 stainless valves, chromoly keepers and locks, dual springs, full oval port and polish, engle fk-89 camshaft, straight cut steel cam and crank gear, Mahle forged 90.5 pistons and cylinder set, CB 1.4:1 ratio rockers, windage push rod tubes, full race balance, modified Melling high volumn oil pump machined for full flow and full flow steel cover plate, chromoly push rods, German lifters, teflon wrist pin buttons, all bearings and gaskets, aluminum crank degree pulley with sand seal, oval port manifolds, 12lb lightened 8 dowel, 200mm flywheel, Kennedy 1700lb pressure plate, Daikin metallic clutch disc, Bosch 009 distributor, aluminum valve covers, braided oil hoses, Porsche fan shroud.

I've had the car for a week and have no idea as to how many miles on said motor. I just want to verify I got what was advertized and pray it's not worn out. seller said he only drove it 100 miles and bought it from someone else. We did put a mirror behend the pulling and noticed a fine misting on the mirror. It really does not leak much until I drive it. I found one of the four bolts loose and hope it solves the leak. Next I'll put a breather box on.

Thanks guys...

I have a CB 2110 with 14K on it. I always run it with the dipstick showing 1/2 quart low. If I top it off, it'll push oil out every time. I'm not worried about having too little oil 'cause I have a sump, cooler and external filter for added capacity.

Thanks, Ernie....that's where I was going with this.

Bill: Now that we know what the engine supposedly is, the next question is, do you have a breather system on the engine? If so, it sounds as though it is inadequate for that engine and allowing crankcase pressure to increase, thereby pushing oil out of any opening it finds.

If you do not have a breather, you're gonna need a good one (and maybe an external oil filter and cooler set-up, too, but if the engine is set up for "full flow", it probably has the external filter/cooler in there).
A little oil pushing past the crank pulley is OK - like a drop or two on the floor after you've been driving it hard on a hot day. If a tiny amount of oil is getting out, then no dust/dirt is getting in - that's a good thing.

How about a picture of the engine bay??

Can you find a breather and, if so, describe it?

Everyone with a larger displacement engine (anything larger than a 1776cc) has this crankcase pressure problem, and we've all solved it with some sort of a breather set-up. There are several variations on a common theme, some working better than others.

Of course, it would be nice if a knowlegeable, fellow SOC'er could get on their dog sled and mush on over to your place to take a look and offer comments, too!!

Thanks, gn

There is a full flow oil system and cooling fan in place. Two breather hoses comming from the fill tube to one carb filter. No breather. I get about a tablespoon of oil dripping after only driving 20-30 min. Whos got the best breather set up?

There are a bunch that have slight differences but work quite well, and a few more that leave a lot to be desired.

I have a CB Performance breather that replaces the stock oil filler. It's tricky to get it on tightly but once you figure it out it seems OK. It is more-or-less sealed, except for the hoses running to the air cleaners. I upgraded those hoses to 5/8" ID and that made it flow much better. The drain hose back to the case (mine goes to the fuel pump cover plate) is 1/4" ID and drains well. I do not run any hoses to the valve covers and haven't needed any.
I get 3-4 drops of oil on the floor under the crank pulley after running hard on an interstate for an hour+ in hot weather - that's about it. Never see a mist or film or oil wetness around the pulley.

Alan Merklin recommends something like an EMPI breather mounted on the firewall. It works well, but I'll let him describe it (I've never used one).

Lane Anderson has a variation of Alan's version and it seems to be working well, too. I believe both Alan's and Lane's have hoses running to the valve covers.

Danny Piperato has a long tubular breather (a la 550 Spyder style) that looks more "racy" and takes up a little more space but works very well at higher rpms.

Gene Berg has a really nice version that works like the original Porsche oil filler/breather (although a little different look). If I were to do another one, I would probably try one of those.

I think the trick with all of these is making sure that they're attached with adequately-sized (i.e., BIG) hoses so that the breathing action isn't "choked". If you attach off of the oil filler, like the CB and Berg versions, the oil filler opening into the case is BIG so all you then need are some big hoses going to the air cleaners to make it all flow.

Hope this helps......

gn

Bill,
Like Gordon said there are all kinds of ways to do it. Go on line and check all the VW parts places and you will see all kinds- some in there own boxes mounted on the firewall and others attached to the oil filler tube. The sand rail guys use a bunch of types as well so look at their ads also.I would be glad to help you w/ it. Looking forward to seeing your cars anyway. Lets pick a warmer day and meet up again. Your engine bay looks great.
Dale

Thanks all...

Soon Dale!

If you want a quickie ck (you said you have mist at the pulley on your mirror). Take the oil filler cap off during your mirror check, problem goes away--you've found it. Problem still there=you have other troubles.

Bruce, good thinking!
What if?

cross your fingers and hope for the easy fix!

Nice looking engine! The red lines on the fire wall look like they just go to a T fitting vice a breather (or is that an equalizer tube between the two intake manifolds). One line to Carb air clearner is from oil filler tube but where does the other line come from --- looks like same filler tube but 2" lower?

red lines are fuel and yes there are two lines going from the filler tube to the right side filter.

Bill, if you have an extended oil sump (which from everything else you've described it sounds like you might) then try it at 1/2 quart low on the dip stick like Ernie said.

I'm a little larger at 2332 cc, but I can assure you anything more than 1/2 quart low doesn't stay in the engine very long. I don't know why, but that's the way it is.

Also, as everyone is steering you, on your high rpm stroker: breathing is important! Stock VW breathing was never intended to absorb the crankcase pumping of high performance 2110 routinely ripping a 4-6K rpm!

"Misting" sounds like a breathing problem. When the crankcase is puffing without enough open vent for the pressure to escape where you want it to, then the pressure is going to escape where you don't want it to through any crack or seam it can find or create. If the seam has oil in the vicinity then the oil puffs through seam as mist.

My $.02? Add breather hoses to your valve covers and vent them to an aftermarket breather box or your other carb filter. But first . . . try 1/2 quart low.

Mark has it right. CB Performance made it very clear to me about this:
"If you have too much oil, it will not stay in the motor."

Canceled post-sorry!

I love the Gene Berg system.

Mark, home run, brother! With the thinline sump I have (1 & 1/2 quart) and the revs I pull(6500), 1/2 quart low is the MAX I set the oil to.

Ernie mentioned it first -- but I'll take credit!