| [ Total Views: 968 | Total Replies: 22 | Thread Id: 94077 ] |
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 AyeBee
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| posted on November 29th, 2011 at 08:33 PM |
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Parts required for my 12v conversion?
After reading a number of websites, forums etc looking for that definitive list of what I need to convert my 1964 1200 6 Volt Beetle to 12 volt, there
seems to be a lot of varying thoughts.
Here's what I seem to be able to figure out I need for my bug (note: I intend on just using the 6volt starter, and have a 12v radio already to
install in glovebox)
- 12v Alternator (with internal regulator)
- Alternator Stand
- Alternator strap
- Alternator backing plate
- New 12v style pulley for alternator
- 12v Coil and condensor
- 12v Horn
- Voltage reducer (or similar) for wipers, or 12v motor
- 12v Flasher canister
- 12v Bulbs (everything including headlights and dash)
- New fan belt
- 12v choke (although not sure where I'd find one for a 28 PICT-1)
Stuff I'm not sure about
- Fuel tank sender unit?
- Fuel Pump?
- New fuses?
Anyone care to help by adding stuff I may have missed or eliminating parts above I don't need before I go ahead and start collecting all these
parts?
Cheers,
Andy
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AyeBee
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| posted on November 30th, 2011 at 07:34 PM |
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?
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donn
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| posted on December 1st, 2011 at 12:48 AM |
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Fuel pump's mechanical.Unless you have changed it. 
I dream of a day when a chicken can cross a road without being asked for it's motive!
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AyeBee
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| posted on December 1st, 2011 at 07:18 AM |
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I recall reading somewhere though I may need a different one due to clearance issues once I install an alternator stand instead of having just the
generator? And every alternator/12 volt conversion kit I see on the internet (not that I'm buying one of those), seems to have one included. Which
is why Im puzzled?
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 matberry
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| posted on December 1st, 2011 at 07:29 AM |
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May need a new fan hub.
Won't need a condenser They are not voltage sensitive
Yes to fuel pump, change to the alternator style and pushrod, esp on a 1200
Choke element and fuel gauge will burn out eventually, altho the fuel gauge can last a long time. Don't think the choke element is available in 12v
but possibly could get it rewound.
And don't forget you'll need a 12V battery 
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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AyeBee
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| posted on December 1st, 2011 at 08:27 AM |
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Thanks Matt - found a place in the states last night (pacific customs) that sells a 12v choke element for the 28 PICT-1 , didnt actually think Id find
one.
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Joel
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| posted on December 1st, 2011 at 08:42 AM |
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Depends which fuel pump you have and what alternator you use.
Alot of the new generator style fuel pumps will work with alternators still.
Are you sure the carb is a 28pict-1?
Cos they use the 12volt size choke units, its the 28pict that use the smaller one.
I can vouch for that when I accidentally put a 6volt choke unit in my 71 superbug, they dont work on 6 volt for long without glowing in the dark and
when we converted a friends 66 the 12volt choke fitted straight in
otherwise you could have a 28pict-1 carb bottom with a 28pict top.
Does it have the triangle choke diaphragm cover with 3 screws or the long cylinder type?
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AyeBee
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| posted on December 1st, 2011 at 10:29 AM |
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Its the triangle one with 3 screws Joel.
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68AutoBug
A.k.a.: Lee Noonan
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| posted on December 1st, 2011 at 02:14 PM |
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| Quote: | Originally
posted by AyeBee
I recall reading somewhere though I may need a different one due to clearance issues once I install an alternator stand instead of having just the
generator? And every alternator/12 volt conversion kit I see on the internet (not that I'm buying one of those), seems to have one included. Which
is why Im puzzled?
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Beetles that had alternators originally , came with a Fuel pump with an OFFSET base...
so it doesn't touch the alternator..
I have seen alternators with a bit ground down so they don't touch the pump...
putting a piece of rubber in between them doesn't work... lol
LEE
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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68AutoBug
A.k.a.: Lee Noonan
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| posted on December 1st, 2011 at 02:29 PM |
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| Quote: | Originally
posted by AyeBee
After reading a number of websites, forums etc looking for that definitive list of what I need to convert my 1964 1200 6 Volt Beetle to 12 volt, there
seems to be a lot of varying thoughts.
Here's what I seem to be able to figure out I need for my bug (note: I intend on just using the 6volt starter, and have a 12v radio already to
install in glovebox)
- 12v Alternator (with internal regulator)
- Alternator Stand
- Alternator strap
- Alternator backing plate
- New 12v style pulley for alternator
[should be on the alternator]
- 12v Coil [ condensor is OK]
- 12v Horn
- Voltage reducer (or similar) for wipers, or 12v motor
- 12v Flasher canister
- 12v Bulbs (everything including headlights and dash)
- New fan belt [ alternator belt - not generator belt]
- 12v choke (although not sure where I'd find one for a 28 PICT-1)
Stuff I'm not sure about
- Fuel tank sender unit?
- Fuel Pump? Maybe??
- New fuses? No they are OK..
Anyone care to help by adding stuff I may have missed or eliminating parts above I don't need before I go ahead and start collecting all these
parts?
Cheers,
Andy
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If Your engine starts first time every time..
Your starter motor will last for some time [usually]
cheers
LEE
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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AyeBee
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| posted on December 1st, 2011 at 08:08 PM |
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| Quote: | Originally
posted by Joel
Depends which fuel pump you have and what alternator you use.
Alot of the new generator style fuel pumps will work with alternators still.
Are you sure the carb is a 28pict-1?
Cos they use the 12volt size choke units, its the 28pict that use the smaller one.
I can vouch for that when I accidentally put a 6volt choke unit in my 71 superbug, they dont work on 6 volt for long without glowing in the dark and
when we converted a friends 66 the 12volt choke fitted straight in
otherwise you could have a 28pict-1 carb bottom with a 28pict top.
Does it have the triangle choke diaphragm cover with 3 screws or the long cylinder type?
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Here's an older pic of my 1200 -
Bottom half says 28 PICT-1.
So you saying that a 12v one should just fit straight in there?
Am looking at this one -
http://www.pacificcustoms.com/129191113G.html
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Joel
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| posted on December 1st, 2011 at 08:35 PM |
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It would pay to measure the OD of your choke unit just to be sure but yes that carb should take the later 12 volt style like the one you linked.
All my VW engines and carbs are in storage at my oldies place but if someone on here cant measure a 12 volt one for you I'll be able to tomorrow
arvo.
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AyeBee
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| posted on December 1st, 2011 at 09:18 PM |
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If someone could measure one, that'd be great.
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1303Steve
A.k.a.: Steve Carter
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| posted on December 1st, 2011 at 09:20 PM |
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Hi
You will need to fit a spacer under the carb because the accelerator linkage will touch the alternator. The 6 volt horn may last for a while and make
interesting noises
Steve
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AyeBee
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| posted on December 2nd, 2011 at 07:32 AM |
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Ah, thanks Steve!
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Joel
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| posted on December 2nd, 2011 at 05:23 PM |
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| Quote: | Originally
posted by AyeBee
If someone could measure one, that'd be great.
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43mm is the OD where it sits in the carb of the later 12volt style.
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AyeBee
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| posted on December 2nd, 2011 at 07:55 PM |
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Awesome, much appreciated Joel.
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Joel
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| posted on December 3rd, 2011 at 01:22 PM |
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No worries.
Just for laughs here's how you don't fit a 12 volt unit to the earlier 28pict carbs
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donn
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| posted on December 3rd, 2011 at 04:09 PM |
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Yep, I see the problem, rusty screws. 
I dream of a day when a chicken can cross a road without being asked for it's motive!
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AyeBee
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| posted on December 3rd, 2011 at 07:10 PM |
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Yeah, that screw at the top doesn't seem very secure ;-)
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68AutoBug
A.k.a.: Lee Noonan
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| posted on December 4th, 2011 at 06:31 PM |
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| Quote: | Originally
posted by Joel
No worries.
Just for laughs here's how you don't fit a 12 volt unit to the earlier 28pict carbs
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nicely back yard engineered... lol
I would never have thought of that... lol
LEE
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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AyeBee
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| posted on December 5th, 2011 at 01:22 PM |
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Thanks to all those that replied both here and in PM. Parts are now ordered - everything except all the bulbs!
Cheers.
Andy
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68AutoBug
A.k.a.: Lee Noonan
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| posted on December 5th, 2011 at 01:27 PM |
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actually the two LH screws are jammed against the body of the choke and not screwed right in..
Bottom RH side is sitting on the edge of the body..
odd that the screws are rusted... must be in the USA or UK
where everything rusts... lol
LEE
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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