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Bobnotch
Samba Member
Joined: July 06, 2003
Posts: 23513
Location: Kimball, Mi
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 Posted: Tue Aug 12, 2025 12:26 pm Post subject: Re: Another Pickle Post - 1973 Squareback |
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| FastyOrange wrote: |
If you want to run the late model crankcase breather setup, you need the correct IAD and the correct heads (i.e. late heads with the breather ports). The easiest cylinder head port to find is on the passenger side. Pull your air cleaner off and look down at the cooling tin next to the spark plugs at the back of the motor on that side. You should see a cutout with either a hose running down through the tin or no hose but a breather port on the end of the head if you have the right heads. The other breather port is in the same position on the driver's side head, so it will be up near firewall. Passenger side shown below.
If you don't have the late heads, it may be easier to just swap the breather for the early style. It is my understanding that this will also work. Hopefully bobnotch or someone else can confirm that.
You also need to look at the fuel injection parts chart from the k manual shown below and compare the numbers on the chart to the parts on your car before you buy a bunch of parts.
Start there and see if you are even running the correct parts for your model year. You may have a different generation of FI installed...that is fine if the parts match.
Once you know these details you can start figuring out what you need and hopefully avoid buying a bunch of unnecessary parts...and we can better understand what you're working with and how to help when you have issues.
Jon |
Yup, those were the ports I was talking about. Personally I'd just swap the breather box to the single cap version, and be done with it. Then you wouldn't need to change out the plenum or any of the other stuff. I do agree with keeping the FI parts within the same parts group (example A B C D or E) as the system does need to match. Granted there are a couple of places / spots where some bits do cross over. Some things like "C" or "D" MPS units do cross over, as do some distributors and throttle switches. Keep in mind the temp sensors do cross over thru the years, although there shapes changed (some are longer, but carry the same part number). You really need to find a list of the parts of the FI system that use the same parts numbers, like posted above. I hope this helps.
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Bob 65 Notch S with Sunroof
71 Notch ...aka Krunchy; build pics here;
http://www.thesamba.com/vw/forum/viewtopic.php?t=249390 -been busy working
64 T-34 Ghia...aka Wolfie, under construction... http://www.thesamba.com/vw/forum/viewtopic.php?t=412120
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| "Friends are God's way of apologizing for relatives." |
| Tram wrote: |
| People keep confusing "restored" and "restroyed". |
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Scotty D
Samba Member
Joined: February 08, 2020
Posts: 297
Location: Claremont CA
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| Posted: Fri Aug 15, 2025 9:14 am Post subject: Re: Another Pickle Post - 1973 Squareback |
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Awesome information, thanks guys!
I'll dig into it when I can and see what the part numbers are for the various F.I. equipment.
Cheers. |
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Scotty D
Samba Member
Joined: February 08, 2020
Posts: 297
Location: Claremont CA
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| Posted: Mon Sep 15, 2025 2:07 pm Post subject: Re: Another Pickle Post - 1973 Squareback |
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Doing some basic maintenance on a lazy day, I pulled off the rear taillight lense to check on a faulty blinker bulb.
Didn't know that the lenses were two separate pieces, LOL. Found a couple of replacements near by, should have them in hand soon.
Luckily the light bulb started working again after cleaning up the bulb housing and the contacts.
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Scotty D
Samba Member
Joined: February 08, 2020
Posts: 297
Location: Claremont CA
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| Posted: Thu Oct 02, 2025 2:33 pm Post subject: Re: Another Pickle Post - 1973 Squareback |
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Turns out the driver’s side taillight lense is in worse shape, so I sourced a replacement locally.
Here’s the replacement lense as purchased.
And after a quick buff.
And finally installed on the pickle. It’ll do for now.
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Scotty D
Samba Member
Joined: February 08, 2020
Posts: 297
Location: Claremont CA
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| Posted: Fri Oct 03, 2025 11:15 am Post subject: Re: Another Pickle Post - 1973 Squareback |
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My throttle return spring is currently attached to one of the distributor cap side clamps, I know that can't be factory.
I've found some throttle return spring brackets for sale, thinking about grabbing one, but not exactly sure how/where it is mounted. I'm guessing to the top of the block somehow.
Anybody have a decent picture of one in place on the engine?
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FastyOrange
Samba Member
Joined: November 15, 2012
Posts: 137
Location: Greenville, SC
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| Posted: Fri Oct 03, 2025 12:20 pm Post subject: Re: Another Pickle Post - 1973 Squareback |
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Forgive the image as my engine does not have the factory FI setup anymore. That bracket mounts with the AAR. I have it mounted to a block off plate in the same fashion. Hope this helps.
Jon
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72 FI Fastback |
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Scotty D
Samba Member
Joined: February 08, 2020
Posts: 297
Location: Claremont CA
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| Posted: Fri Oct 03, 2025 1:11 pm Post subject: Re: Another Pickle Post - 1973 Squareback |
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| FastyOrange wrote: |
Forgive the image as my engine does not have the factory FI setup anymore. That bracket mounts with the AAR. I have it mounted to a block off plate in the same fashion. Hope this helps.
Jon |
Thanks Jon, that's exactly what I was looking for. |
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