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Engine building dilema
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rracj13
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PostPosted: Tue Dec 06, 2005 9:21 pm    Post subject: Engine building dilema Reply with quote

So I tore apart my engine the other day with the hopes of cleaning it up, replacing the bearings, and changing out the pistons and cylinders with new ones. But when I took out the crank, I saw that the one main journal in the middle of the case had a pretty deep groove wore in it from the bearing and I noticed that one of the rods had a lot of play in it. When I took the rod off the crank the bearing was completely chewed up. This left some pretty decent damage to the crank. So what are some of my options? I don't have access to any machine shops and I don't have the funds for a new case. What would be the life expectancy of the engine if I just replaced the bearings and put it back together as it is? Well I look forward to your expertise and maybe a good reality check here.
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vicsvw
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PostPosted: Tue Dec 06, 2005 9:54 pm    Post subject: Rebuild? Reply with quote

Don't wast your time or any money. Fix it right or forget it. You need a line bore, Crank, & Bearings. You need to check the P&C See->Piston & Cylinders "How to Ck if they need replacing" <> http://www.1800vw.bizhosting.com/pistonringck.htm Ck cam & Lifters & oil Pump. See ->Cost to Rebuild <> http://www.1800vw.bizhosting.com/rebuildprices.htm
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Jake Raby
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PostPosted: Tue Dec 06, 2005 10:31 pm    Post subject: Reply with quote

Now that is one hurting engine!

Toss it all away and start from scratch.
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60sunroof
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PostPosted: Wed Dec 07, 2005 6:45 am    Post subject: Reply with quote

first what state or city are you in?

If you are in L.A there are tons of options.
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rracj13
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PostPosted: Wed Dec 07, 2005 8:25 pm    Post subject: Reply with quote

No, i'm nowhere near L.A. I'm living in Central Pennsylvania.
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demian
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PostPosted: Wed Dec 07, 2005 9:14 pm    Post subject: Reply with quote

Get in touch with the folks at Valley VW there in PA somewhere. Full service machine shop and they are very friendly and knowledgable.
www.vw-store.com
good luck
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RIS
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PostPosted: Thu Dec 08, 2005 1:20 am    Post subject: Reply with quote

Yes, contact Dennis at Valley VW. Very knowledgeable and quick turn-around. You're crank can be reground, case will most likely need an alignbore, new bearings of course. Take a close look at your oiling system and any other suspect parts to find out why this happened, don't just slap it back together.
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ice baller61
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PostPosted: Thu Dec 08, 2005 6:18 am    Post subject: Reply with quote

Just wondering, what kind of noise was the motor making and what made you tare her down?
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rracj13
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PostPosted: Thu Dec 08, 2005 2:06 pm    Post subject: Reply with quote

It has been awhile since I last ran it, and I can't recall hearing any odd noises. I tore the engine out because I was getting gas in my oil from a leaky fuel pump. I did not run it at all after I discovered the gas in the oil. Just drained the oil and tore it out. I had never tore down the engine before and I didn't get much information off the guy I bought the car from, but I'm assuming the the engine had all of the original miles on it. Which could possibly be well over 100k.
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vdub
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PostPosted: Thu Dec 08, 2005 2:54 pm    Post subject: Reply with quote

The gas in the oil is what spun the bearings.

rracj13 wrote:
It has been awhile since I last ran it, and I can't recall hearing any odd noises. I tore the engine out because I was getting gas in my oil from a leaky fuel pump. I did not run it at all after I discovered the gas in the oil. Just drained the oil and tore it out. I had never tore down the engine before and I didn't get much information off the guy I bought the car from, but I'm assuming the the engine had all of the original miles on it. Which could possibly be well over 100k.
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rracj13
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PostPosted: Sat Jan 14, 2006 4:10 am    Post subject: Reply with quote

So after a couple of weeks of tearing apart a couple of old cases looking for some usable parts, and coming up very empty handed, I took a trip to the VW Store.
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Problem solved, thanks for the help.
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DurocShark
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PostPosted: Sat Jan 14, 2006 6:54 am    Post subject: Reply with quote

rracj13 wrote:
So after a couple of weeks of tearing apart a couple of old cases looking for some usable parts, and coming up very empty handed, I took a trip to the VW Store.
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Problem solved, thanks for the help.


Is that case painted?
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rracj13
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PostPosted: Sat Jan 14, 2006 12:25 pm    Post subject: Reply with quote

Yes
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fredybear
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PostPosted: Sat Jan 14, 2006 12:52 pm    Post subject: Reply with quote

Im gonna Puke.......
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John M.
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PostPosted: Sat Jan 14, 2006 1:24 pm    Post subject: Reply with quote

DurocShark wrote:

Is that case painted?


Duh. That adds about 10hp right there...
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Max Welton
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PostPosted: Sat Jan 14, 2006 2:29 pm    Post subject: Reply with quote

It looks like the cylinder registers have been painted. That will add a layer of soft paint under the cylinder. This could prevent the cylinders from seating properly. This will change the deck height by the initial thickness of the paint. If that paint compresses, deck height will be reduced as will stud torque.

The inside of the oil pump bore has been painted. Normally, the pump is an interferrence fit in that bore. When the pump is inserted, that paint will be scraped off and wind up inside the case.

Good luck.

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DurocShark
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PostPosted: Sat Jan 14, 2006 3:27 pm    Post subject: Reply with quote

John M. wrote:
DurocShark wrote:

Is that case painted?


Duh. That adds about 10hp right there...


I was thinking more like 25... degrees.
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