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Bart Dunn
Samba Consiglieri
Joined: May 09, 2004
Posts: 2457
Location: Sea level (Mid Pacific)
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 Posted: Wed Oct 21, 2009 3:50 pm Post subject: 36hp Piston and Cylinder Sets -- country of origin/quality |
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Any feedback on what's a good quality set? I've learned that CIP1 sells ones made in China, Wolfsburg West's kit has German cylinders and Chinese pistons, and Vintage Parts has a set made in China but "finished" here in the USA where they do the fine machining.
What other options are there?
Naturally, there are the German sets for more $$, which I assume are good quality, but I'm curious to know what others' experiences have been with those originating in whole or in part in the Far East, or elsewhere (Brazil? Denmark?).
I'm reluctant to put a Chinese heart in my German car, you know?
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Eric Outland
Samba Member
Joined: January 22, 2004
Posts: 407
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| Posted: Wed Oct 21, 2009 6:18 pm Post subject: Eric (VMR) |
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Cofaps=brazilian 36er's are decent! as You mentioned Kolben's are great, and worth the extra$$$ if you can afford them.
Then you can alway's purchase oversize Original German 36hp pistons and ring sets that are floating around and take original cylinder's and machine them out to size. Then there is also the re-ring O.G Pistons and hown out O.G cylinder's. still many option's to choose from. depending on your $$$situation! Cheer's  |
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gimmesomeshelter
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Joined: May 08, 2004
Posts: 1119
Location: San Carlos, CA
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| Posted: Wed Oct 21, 2009 8:05 pm Post subject: |
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Hello-
If you can afford to wait, I would keep an eye out for a German set. I spent quite a bit of money on mine, but they come up for sale every once in a while for ~ $300.
Paul
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john morris
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Joined: July 16, 2002
Posts: 416
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| Posted: Mon May 24, 2010 7:09 am Post subject: 36 HP Piston and Cylinder Sets |
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Bump!
There have been some really positive comments posted lately about the 36 HP engine but this topic got little response. Is everyone re-using honed cylinders and good used pistons? Or is eveyone stepping up to something more exotic? How many of you have purchased new pistons? Any feedback is appreciated! Thanks! |
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Bart Dunn
Samba Consiglieri
Joined: May 09, 2004
Posts: 2457
Location: Sea level (Mid Pacific)
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| Posted: Mon May 24, 2010 7:54 am Post subject: |
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I ended up with the Wolfsburg West set, german jugs with the Chinese pistons, which I had balanced, so hopefully it'll run nice & smooth. We shall soon see--just about ready to start building.
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Not enough car seats fit into my:
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sgmalt46
Samba Member
Joined: April 20, 2005
Posts: 434
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| Posted: Mon May 24, 2010 4:28 pm Post subject: |
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the jugs are the important part. you should be good.  |
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Russ Wolfe
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Joined: October 08, 2004
Posts: 25689
Location: Central Iowa
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| Posted: Mon May 24, 2010 5:50 pm Post subject: |
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Mahle bought Cofap in 2001.
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StockNazi
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Joined: June 18, 2004
Posts: 3085
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| Posted: Thu Aug 19, 2010 9:04 am Post subject: |
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| Bart Dunn wrote: |
| I ended up with the Wolfsburg West set, german jugs with the Chinese pistons, which I had balanced, so hopefully it'll run nice & smooth. We shall soon see--just about ready to start building. |
these jugs are not nos are they? i'm betting there not
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Bart Dunn
Samba Consiglieri
Joined: May 09, 2004
Posts: 2457
Location: Sea level (Mid Pacific)
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| Posted: Thu Aug 19, 2010 9:41 am Post subject: |
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| StockNazi wrote: |
| Bart Dunn wrote: |
| I ended up with the Wolfsburg West set, german jugs with the Chinese pistons, which I had balanced, so hopefully it'll run nice & smooth. We shall soon see--just about ready to start building. |
these jugs are not nos are they? i'm betting there not |
No, I don't think so--like I said, it was the off-the-shelf set from Wolfsburg West.
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earthquake
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Location: LAS VEGAS, NEVADA "SIN CITY"
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| Posted: Sun Aug 22, 2010 4:08 pm Post subject: |
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How good of quality are NPR pistons and cylinders? I have a old set of NOS 83mm big bore P&C's I'm thinking about selling in the classifieds.
Casey
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1990coupequattro
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Joined: March 09, 2006
Posts: 77
Location: MN/FL
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| Posted: Sun Aug 22, 2010 4:38 pm Post subject: |
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| How far out can the original 36hp cylinders safely be bored to? |
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Mr. Okrasa 
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Joined: May 20, 2000
Posts: 304
Location: Newport Heights, Califa.
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| Posted: Mon Aug 23, 2010 10:31 am Post subject: |
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| 1990coupequattro wrote: |
| How far out can the original 36hp cylinders safely be bored to? |
78mm. Anything over that is asking for trouble. How do I know this? Even VW made oversize pistons in 77.50 & 78mm. You can go bigger but you have to use different cylinders that will MAINTAIN the same cylinderwall thickness or thicker to prevent warpage from excessive heat. I've even seen someone use an 80mm piston from some unknown application fitted in an overbored VW 36hp cylinder!! You can see oil literally "pouring" out from the underside of engine while on idle!?!?
This is my 83.50mm big bore "HURRICANE" 36hp piston/cylinder assembly that im experimenting with. Note that the cylinderwall thickness is greater than that of a stock 77mm liner.
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earthquake
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Location: LAS VEGAS, NEVADA "SIN CITY"
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| Posted: Tue Aug 24, 2010 3:04 pm Post subject: |
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Are these for a 36 horse or a 1200 40 horse motor? they have 20mm pins.
I thought they were for a 40 horse but now I'm not sure.
Casey
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74 CLASS 11 LOOK-A-LIKE
65 pan [I haven't decided what to do with it]
69 DUNE BUGGY
79 INTERNATIONAL SCOUT II
05 SCION XB SERIES RELEASE 2[#437]
Some where in Kenya, A village is missing its Idiot!
"If you put the federal government in charge of the Sahara Desert, there would be a shortage of sand in 5 years" |
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Mr. Okrasa
Samba Member
Joined: May 20, 2000
Posts: 304
Location: Newport Heights, Califa.
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| Posted: Tue Aug 24, 2010 4:04 pm Post subject: |
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| earthquake wrote: |
Are these for a 36 horse or a 1200 40 horse motor? they have 20mm pins.
I thought they were for a 40 horse but now I'm not sure.
Casey |
40hp
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1950 Split Window 356 Coupe / #5369 / Adria Blue Metallic
1951 Split Window 356 Coupe / #10572 / Radium Green Metallic
1952 Split Window 356 Cabriolet / #10188 / Azure Blue
1959 Enzmann Spyder 506 #28
VW www.Okrasa.com
356 www.PreA356.com |
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Mr. Motorhead
Mad Scientist
Joined: January 06, 2004
Posts: 539
Location: Practitioner of 36hp alchemy
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| Posted: Tue Aug 24, 2010 7:25 pm Post subject: |
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| Mr. Okrasa wrote: |
| earthquake wrote: |
Are these for a 36 horse or a 1200 40 horse motor? they have 20mm pins.
I thought they were for a 40 horse but now I'm not sure.
Casey |
40hp |
I just used a set like that on a 36hp build I did a few weeks back. Machineing the case and heads is the easy part.........making the barrels fit is very labor intensive. Ran it over the weekend, sounds very healthy. Installed it in a car, but I'm waiting on a starter so I can torture test it.
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30 years experience in the sales of new and used auto parts!
36 horsepower parts for sale at http://www.aircooledresearch.com/
Or the new site at http://www.bugparts.com
Check out the Bonneville project:
http://aircooledresearch.com/docs/thebonnevilleproject.html#
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ricekooker
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Joined: April 09, 2006
Posts: 1424
Location: Winter Park
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| Posted: Thu Dec 01, 2011 9:46 am Post subject: |
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Are there any new thoughts on this topic?
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Jason
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Bart Dunn
Samba Consiglieri
Joined: May 09, 2004
Posts: 2457
Location: Sea level (Mid Pacific)
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| Posted: Thu Dec 01, 2011 2:38 pm Post subject: |
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I have about 3500 miles on my engine now. No complaints, but I would suspect that unless there is some GEXesque problem with the build any minor quality problems with parts will take longer to reveal themselves...
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