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Stock66
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Joined: June 30, 2014
Posts: 120
Location: Pittsburgh, PA
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 Posted: Tue Jan 27, 2015 11:50 am Post subject: Engine / tranny serial number help |
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I have a 1966 beetle that is currently undergoing a body off resto. and almost ready to re-marry up the chassis with the body, just as soon as we get the drive train back on the chassis.
I would like some help figuring out if this transmission is original to my car or if its been changed out sometime. It worked great before tearing the car apart., so I don't necessarily want to get rid of it just want confirmation it was / is original to the car.
nose cone, was it swapped or just rubbing..part numbers look to been purposely rubbed off..
I know the engine has been swapped at some point, Pretty sure its 1600 DP but trying to still figure out its origin. I believe it was part of an engine exchange program, but not sure ..Ready GO!
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bluebus86
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Joined: September 02, 2010
Posts: 11075
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| Posted: Tue Jan 27, 2015 11:58 am Post subject: |
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I don't recall that Phillips head screw on my trannies that is shown near the top of the nose cone photo. the numbers 417 in the first photo appear to be obscured by corrosion, the number on the tail cone appear to be rubber out, tail cones can be broken so maybe it was exchanged. driving with a broken or loose tranny mount can break or damage a tail cone, requiring replacement. that screw however is weird. I just don't recall seeing it before, maybe I am wrong, but it don't look right to me. As far as I know VW didn't use that type of screw head on anyplace on the cars of this era.
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Stock66
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| Posted: Tue Jan 27, 2015 12:06 pm Post subject: |
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| Bluebus - good eye, I placed the screw there while cleaning the tranny so nothing would get in the breather hole...Keen Eye |
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Stock66
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Location: Pittsburgh, PA
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| Posted: Wed Jan 28, 2015 10:29 pm Post subject: |
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Aussiebug
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Joined: June 03, 2002
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Location: Adelaide Australia
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| Posted: Thu Jan 29, 2015 3:07 am Post subject: |
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Cant help with the gearbox.
The engine number is intriguing.
If that's a B series engine, there are no B2s, only B0 , B5 (buses 67-69) and B6 (US bugs 1970).
They were all 1600sp engines.
If it's an AB (there is SOMETHING to the left of the B), it would have started as a 71 1300 twin port engine - quite a common option in Europe, the UK and Australia, but very easily rebuilt into a 1600 etc.
Not sure about the number itself either - it does not look even enough for a VW number.
The X after the number would be an engine builders mark, so it's been rebuilt at some time.
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Stock66
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fla2smoker
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| Posted: Mon Feb 16, 2015 11:30 pm Post subject: |
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I just did some simple math based on the number of cars produced in 1966 and my best guess is the transaxle is from June 1966.
The last transaxle produced in July 1966 should be around 9171351.
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Stock66
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Location: Pittsburgh, PA
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| Posted: Mon Feb 16, 2015 11:39 pm Post subject: |
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The rest of the car is stamped 5/66. So I suppose this transaxle is original to the car.😃
How do you read the numbers?
Thanks fla2smoker!
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Abscate
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| Posted: Tue Feb 17, 2015 4:20 am Post subject: |
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Chassis engine trans numbers by date are under the "Technical" tabs above.
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glutamodo 
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Location: Douglas, WY
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| Posted: Tue Feb 17, 2015 10:00 am Post subject: |
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| Aussiebug wrote: |
Cant help with the gearbox.
The engine number is intriguing.
Not sure about the number itself either - it does not look even enough for a VW number.
The X after the number would be an engine builders mark, so it's been rebuilt at some time. |
That's IS part of VW's exchange program. That's why the original number was milled off. And why it doesn't match any number on the factory-engines-installed-in-vechicles charts.
On the transaxle - the numbering between chassis number and transmission numbers is not linear - Type 2s were also sharing serial numbers with the type 1s. These are the entries from Progressive Refinements that list both chassis and tranny numbers during model year 1966.
Aug 01 1965 Chassis 116 000 001 Rear Axle 8185079
Sep 07 1965 Chassis 116 114 583 Rear Axle 8424250
Oct 29 1965 Chassis 116 298 201 Rear Axle 8567900
Jun 08 1966 Chassis 116 976 636 Rear Axle 9343990 |
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fla2smoker
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Location: Parrish, Florida
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| Posted: Tue Feb 17, 2015 10:09 am Post subject: |
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| glutamodo wrote: |
On the transaxle - the numbering between chassis number and transmission numbers is not linear - Type 2s were also sharing serial numbers with the type 1s. These are the entries from Progressive Refinements that list both chassis and tranny numbers during model year 1966.
Aug 01 1965 Chassis 116 000 001 Rear Axle 8185079
Sep 07 1965 Chassis 116 114 583 Rear Axle 8424250
Oct 29 1965 Chassis 116 298 201 Rear Axle 8567900
Jun 08 1966 Chassis 116 976 636 Rear Axle 9343990 |
I had no idea that the Type 2 shared tranny numbers... Thanks for the information. I will need to re-read through the refinements as I have never seen that list of transaxle numbers. Thank You!!
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glutamodo
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| Posted: Tue Feb 17, 2015 10:37 am Post subject: |
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That was from a post I had made 5 years ago, where I pulled any numbers I could find for type 1 out of PR for after the charts cut off in 1965.
http://www.thesamba.com/vw/forum/viewtopic.php?t=398056&
I don't know in what kind of blocks that VW assigned serial numbers for the two Types, but the Type 2's tranny numbers were always close to the Type 1s despite only making a fraction of the amount of vehicles. |
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Stock66
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| Posted: Tue Feb 17, 2015 2:23 pm Post subject: |
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Thanks for that info.
So what does the engine code B denote to? I was told this is a 1600, I'm just trying to piece the story of this car together...
I searched for the exchange engine codes but had no luck.
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glutamodo
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| Posted: Tue Feb 17, 2015 3:01 pm Post subject: |
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B was VW's code for 1600 single port. From that same 1973 VW book on the Exchange System:
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Stock66
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| Posted: Thu Feb 26, 2015 5:41 pm Post subject: |
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Really cool info. So I'm guessing my block came with the VW recycle symbol, the letter B and the serial number was stamped in by the builder...
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nz fish
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Location: WELLINGTON NEW ZEALAN
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| Posted: Fri Aug 10, 2018 7:57 pm Post subject: |
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| glutamodo wrote: |
B was VW's code for 1600 single port. From that same 1973 VW book on the Exchange System:
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Hi i have a gearbox that the number is O 493826 but i cant find any codes that start with O any ideas cheers fish |
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glutamodo
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| Posted: Fri Aug 10, 2018 8:01 pm Post subject: Re: Engine / tranny serial number help |
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Engine numbers are rather easier to identify, (well, "born as" but very few of those have not been changed from stock over the years) Now there have been various charts about transaxle specifications, but most of them are not very accurate and many of them just copy unverified, inaccurate data from other sources) so I don't really want to even offer a guess as to what you have in there.
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