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nodrenim
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Joined: October 06, 2006
Posts: 843
Location: Dobson, North Carolina
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 Posted: Tue Jan 11, 2011 6:56 pm Post subject: dipstick length |
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| I would like to know the correct length of the engine oil dipstick for a 2 liter, 79 engine. I think mine may have gotten changed by a PO, as I put in the amount of oil as per my Bently manual and it shows about a quart and a half low. Thanks. |
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SGKent 
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Joined: October 30, 2007
Posts: 42955
Location: at the beach in Northern Wokistan
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| Posted: Tue Jan 11, 2011 7:40 pm Post subject: |
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vwbus998 wrote in a thread that came up in a search. Click Forums -> Search
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My dipstick measures 11 5/16" from base of the bell on my 79 2.0 . The bell on your dipstick looks a little loose.
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 Canned Water - the new California approved parts cleaner (except in a drought in which case rub it with sand).
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Wildthings
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Joined: March 13, 2005
Posts: 52726
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| Posted: Tue Jan 11, 2011 11:18 pm Post subject: |
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| How much oil are you putting in? |
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nodrenim
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Joined: October 06, 2006
Posts: 843
Location: Dobson, North Carolina
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| Posted: Wed Jan 12, 2011 5:29 am Post subject: |
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| Thanks, SGKent, when I tried the search, before posting, nothing came up. Wild things, my Bently manual says 3.7 US quarts. What does yours say? Thanks guys, I appreciate your help. Peace |
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Wildthings
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Joined: March 13, 2005
Posts: 52726
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| Posted: Wed Jan 12, 2011 10:45 am Post subject: |
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| nodrenim wrote: |
| Thanks, SGKent, when I tried the search, before posting, nothing came up. Wild things, my Bently manual says 3.7 US quarts. What does yours say? Thanks guys, I appreciate your help. Peace |
Yep that's what it says, just wanted to make sure you were using the number for a T1 or something. I run my engine at 4.5 quarts, as do some of the Porsche guys, maybe one of them remarked your dipstick. The new industrial engine in my 411 takes 4.5 quarts from the factory. |
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SGKent
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Joined: October 30, 2007
Posts: 42955
Location: at the beach in Northern Wokistan
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| Posted: Wed Jan 12, 2011 11:12 am Post subject: |
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| The new industrial engine in my 411 takes 4.5 quarts from the factory. |
the industrial engine was originally designed to run long periods unattended and without cornering forces. Porsche guys also have windage trays to keep the oil below the crank. When racing one can feel the oil in a corner when it wraps around the crankshaft. It is like someone is making taffy in your engine and your crankshaft is the machine making it - ever watch one of those salt water taffy machines make taffy? Worse - you should see what the aeration does to the oil that gets away - we tossed a rod and piston into the wild blue yonder down in Holtville on account of it - throwing a mist of aerated oil with it that ignited across the headers and fireballed about 50' out from the car. There were a few spectators who stepped back with singed hair that day on account of it. The parts that launched went through the fender and hood as it happened at about 10,000 RPM. I don't overfill or underfill my engines, and most likely will add a deep sump in the summer if I want more oil.
_________________
Canned Water - the new California approved parts cleaner (except in a drought in which case rub it with sand).
George Carlin:
"Most people don't know what they're doing, and a lot of them are really good at it."
Skills@EuroCarsPlus:
"never time to do it right but always time to do it twice" |
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Wildthings
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Joined: March 13, 2005
Posts: 52726
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| Posted: Wed Jan 12, 2011 12:53 pm Post subject: |
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| I started running an extra quart of oil in my VW engines because decades ago when I using a frequently recommended oil in a T1 engine it would start foaming at about 1500 miles and leave me sitting on the side of the road with an engine short on oil. Not then knowing the true cause of the problem, I found that the extra quart gave me more time before the oil started foaming and more time to handle the situation when it did foam. I eventually learned that it was the oil itself that was causing the problem and not anything about the engine itself, but that was nearly 35 years ago and I have been running that extra quart in all my ACVW engine since that time and never once have had a problem. By the way the windage tray is some German engineers pipe dream, it is as apt to restrict oil return to the sump and thus cause frothing as it is to prevent it. The design of the crankcase makes a very good windage tray by itself without unduly restricting the return flow to the sump. |
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iprangen
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Joined: December 10, 2007
Posts: 474
Location: Centerport, NY
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| Posted: Wed Jan 12, 2011 12:58 pm Post subject: |
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My dipstick is about seven inches...oh wait, you mean my Bus?  |
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xavi_242
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Joined: May 06, 2005
Posts: 1672
Location: Barcelona (SPAIN)
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| Posted: Mon May 16, 2011 2:57 am Post subject: |
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I also would like to know the length for a 2 liter (11 5/16") and also the max mark.
BR Xavi
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nathansnathan
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Joined: April 14, 2008
Posts: 1671
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| Posted: Mon May 16, 2011 9:02 am Post subject: |
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| I have a windage tray in my engine, but I've still found it turns turns over a lot slower when starting with an extra quart in, especially when it's cold, . It will also leak more. Seems the thing to do is put the .7 in the filter and put it up, then 3 into the filler, wait a bit and then mark your dipstick at the level it falls at. |
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Wildthings
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Joined: March 13, 2005
Posts: 52726
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| Posted: Mon May 16, 2011 11:44 am Post subject: |
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| Please explain why it would crank slower with a quart of extra oil. The oil is still all in the sump and not up onto the crankshaft. Why would it leak worse as well? Your engine shouldn't leak at all and as I said above the extra oil is still all in the sump. |
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nathansnathan
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Joined: April 14, 2008
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| Posted: Mon May 16, 2011 1:41 pm Post subject: |
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| Wildthings wrote: |
| Please explain why it would crank slower with a quart of extra oil. The oil is still all in the sump and not up onto the crankshaft. Why would it leak worse as well? Your engine shouldn't leak at all and as I said above the extra oil is still all in the sump. |
"shouldn't leak at all"? -
Regrettably, I left off the outer gasket for the type 1 shadek pump I'm running, used only some kuril k2 on it in an attempt to get maximum oil pressure. It's leaked just a bit since I built it. Pressure is fine.
My guess on the why is the added oil means less volume for air in the crank case. Air can be compressed, oil can't. That strains the case ventilation system, and will blow seals/ push out (more) oil. |
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Wildthings
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Joined: March 13, 2005
Posts: 52726
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| Posted: Mon May 16, 2011 1:52 pm Post subject: |
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| nathansnathan wrote: |
| Wildthings wrote: |
| Please explain why it would crank slower with a quart of extra oil. The oil is still all in the sump and not up onto the crankshaft. Why would it leak worse as well? Your engine shouldn't leak at all and as I said above the extra oil is still all in the sump. |
"shouldn't leak at all"? -
Regrettably, I left off the outer gasket for the type 1 shadek pump I'm running, used only some kuril k2 on it in an attempt to get maximum oil pressure. It's leaked just a bit since I built it. Pressure is fine.
My guess on the why is the added oil means less volume for air in the crank case. Air can be compressed, oil can't. That strains the case ventilation system, and will blow seals/ push out (more) oil. |
The crankcase and rocker boxes still account for a lot of air space when compared to the sump, so I don't see that as an issue. I have driven my engines way too many miles with an extra quart installed to think that it causes a problem. My only real concern is parking on steep side hills, but even there the only time I can remember having problems is when the float on a T1 leaked through and filled the downhill cylinders and not from the oil.
These engines have a known problem with having the sump run dry on hard turns or steep side hills. I would rather risk an occasional puff of smoke than to ever have the oil pump suck air. |
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nathansnathan
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Joined: April 14, 2008
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| Posted: Mon May 16, 2011 3:16 pm Post subject: |
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It's supposed to be that the windage tray prevents that, is why they put them in hard-cornering 914's and not buses, though I can understand the point of view that it slows the return to the sump also.
Similarly, my other thought about the difficulty in turning the engine over cold with an extra quart is maybe the difficulty in pulling it through the windage tray if the level goes above that.
It could even be resistance in the cam and lifters if the level goes that high.
I accidently put an extra quart in mine recently and it was a real pain to start the next morning, turned over slow. Also, as I said, there were 3 - 4 drops left on the ground after I parked it hot as opposed to the usual barely any to 1 drop. I drained it and put 3 back in and it's better. I'm not making it up!
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mygreenbus
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Joined: February 14, 2007
Posts: 1154
Location: Palm Coast, FL
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| Posted: Mon May 16, 2011 3:20 pm Post subject: |
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I'm thinking Launa Beach and cold weather are like Ormond Beach and cold weather... not a real issue?
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nathansnathan
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Joined: April 14, 2008
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| Posted: Mon May 16, 2011 3:37 pm Post subject: |
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| mywifesghia wrote: |
| I'm thinking Launa Beach and cold weather are like Ormond Beach and cold weather... not a real issue? |
I leave for work at 4:20am so sometimes it's pretty brisk at 40 F. I'm hesitant to change out the 20w50 though because it will still get hot by noon.
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mygreenbus
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Location: Palm Coast, FL
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| Posted: Mon May 16, 2011 3:45 pm Post subject: |
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We run 0W-40 Mobil 1 in our VWs. Yes we get 30 degree mornings in FL but the amount of time it is that cold is realtively short, like I recall from our years in SoCal. You might slow crank once in awhile no problems. BTW we run 0W-40 because the 2006 Beetle my daughter has calls for it. The 40 year old cars seem to like it as well.
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xavi_242
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Joined: May 06, 2005
Posts: 1672
Location: Barcelona (SPAIN)
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| Posted: Thu May 19, 2011 6:09 am Post subject: |
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| xavi_242 wrote: |
I also would like to know the length for a 2 liter (11 5/16") and also the max mark.
BR Xavi |
OK but no one can measure his oil dipstick for me? Just want to be sure 
thanks
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1967 Split SO-42 Dormobile |
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busdaddy
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Joined: February 12, 2004
Posts: 53210
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Thu May 19, 2011 6:43 am Post subject: |
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On my unmolested 1978 GE the length from the O ring (up inside the bell)to the tip is 11.5", the full mark is @ 9 5/8" and the add mark is @ 9 1/8".
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xavi_242
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Joined: May 06, 2005
Posts: 1672
Location: Barcelona (SPAIN)
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| Posted: Thu May 19, 2011 7:45 am Post subject: |
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| busdaddy wrote: |
| On my unmolested 1978 GE the length from the O ring (up inside the bell)to the tip is 11.5", the full mark is @ 9 5/8" and the add mark is @ 9 1/8". |
Thanks!
Xavi
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