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rracj13
Samba Member
Joined: November 17, 2005
Posts: 16
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 Posted: Tue Dec 06, 2005 9:21 pm Post subject: Engine building dilema |
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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
Samba Member
Joined: February 27, 2003
Posts: 1001
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Jake Raby
Samba Member
Joined: August 23, 2003
Posts: 7433
Location: Aircooled Heaven USA
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| Posted: Tue Dec 06, 2005 10:31 pm Post subject: |
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Now that is one hurting engine!
Toss it all away and start from scratch.
_________________
Jake Raby
Raby Engine Development
www.rabyenginedevelopment.com
"I've never given anyone Hell, I just told them the truth and they thought it was Hell" |
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60sunroof
Samba Member
Joined: November 16, 2003
Posts: 345
Location: INDY
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| Posted: Wed Dec 07, 2005 6:45 am Post subject: |
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first what state or city are you in?
If you are in L.A there are tons of options. |
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rracj13
Samba Member
Joined: November 17, 2005
Posts: 16
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| Posted: Wed Dec 07, 2005 8:25 pm Post subject: |
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| No, i'm nowhere near L.A. I'm living in Central Pennsylvania. |
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demian
Samba Member
Joined: July 29, 2005
Posts: 5
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| Posted: Wed Dec 07, 2005 9:14 pm Post subject: |
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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
Demian |
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RIS
Samba Member
Joined: December 18, 2003
Posts: 3043
Location: Youngstown, Ohio
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| Posted: Thu Dec 08, 2005 1:20 am Post subject: |
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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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Instagram: @rismachine |
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ice baller61
Samba Member
Joined: October 10, 2003
Posts: 499
Location: 562 downey
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| Posted: Thu Dec 08, 2005 6:18 am Post subject: |
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Just wondering, what kind of noise was the motor making and what made you tare her down?
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bumping sounds and boosting pounds |
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rracj13
Samba Member
Joined: November 17, 2005
Posts: 16
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| Posted: Thu Dec 08, 2005 2:06 pm Post subject: |
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| 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
Samba Member
Joined: September 07, 2003
Posts: 442
Location: Valley Springs, Ca.
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| Posted: Thu Dec 08, 2005 2:54 pm Post subject: |
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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
Samba Member
Joined: November 17, 2005
Posts: 16
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| Posted: Sat Jan 14, 2006 4:10 am Post subject: |
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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.
Problem solved, thanks for the help. |
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DurocShark
Samba Member
Joined: April 05, 2004
Posts: 6624
Location: Crappy town in a crappy state. But the beach is nearby, so I have that going for me.
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| Posted: Sat Jan 14, 2006 6:54 am Post subject: |
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| 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.
Problem solved, thanks for the help. |
Is that case painted?
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No boom today. Boom tomorrow. There's always a boom tomorrow. |
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rracj13
Samba Member
Joined: November 17, 2005
Posts: 16
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| Posted: Sat Jan 14, 2006 12:25 pm Post subject: |
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| Yes |
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fredybear
Samba Member
Joined: March 02, 2004
Posts: 694
Location: Ca
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| Posted: Sat Jan 14, 2006 12:52 pm Post subject: |
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| Im gonna Puke....... |
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John M.
Samba Member
Joined: July 22, 2005
Posts: 3833
Location: Boulder, CO
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| Posted: Sat Jan 14, 2006 1:24 pm Post subject: |
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| DurocShark wrote: |
Is that case painted? |
Duh. That adds about 10hp right there...
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Max Welton
Samba Member
Joined: May 19, 2003
Posts: 10697
Location: Black Forest, CO
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| Posted: Sat Jan 14, 2006 2:29 pm Post subject: |
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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.
Max
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DurocShark
Samba Member
Joined: April 05, 2004
Posts: 6624
Location: Crappy town in a crappy state. But the beach is nearby, so I have that going for me.
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| Posted: Sat Jan 14, 2006 3:27 pm Post subject: |
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| 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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