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bnam
Samba Member
Joined: July 02, 2006
Posts: 2936
Location: El Dorado Hills CA/ Bangalore, India
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 Posted: Wed Nov 25, 2020 8:57 am Post subject: Bocar 34PICT3 question |
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I am rebuilding a Bocar 34PICT3 for a friend to use on his 71Bus. This is the second Bocar 34PICT3 I've rebuilt.
As I compared the stock jet sizes for a 71bus to what's on the carb, I noticed that the Pilot Air bleed drilling is about 125 while the stock size for all VWs using 34PICT3s from 71-74 is 147.5.
If none of the VWs use 125, why does Bocar build one with that drilling? Perhaps for use in a 1300 in Eur/RoW?
What's the downside of leaving it at 125 vs. enlarging it? And, if I enlarge it to 150 (I only have a 1.5mm drill), will that be a problem?
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1971 1302LS Convertible (RHD) owned since '74
Click to view image
1965 Karmann Ghia Coupe - under restoration
1966 Fiat 1500 Cabrio (with 1600 Twin cam)
1952 Citroen TA 11BL |
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kreemoweet
Samba Member
Joined: March 13, 2008
Posts: 3898
Location: Seattle, WA
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| Posted: Wed Nov 25, 2020 12:08 pm Post subject: Re: Bocar 34PICT3 question |
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| bnam wrote: |
| noticed that the Pilot Air bleed drilling is about 125 while the stock size for all VWs using 34PICT3s from 71-74 is 147.5. |
Not true. For instance, the 1975 specs for a type 2 with 1600 engine with 34 PICT-3 carb have a 120 pilot air jet.
Not a US-distributed model, of course. Carb specs varied widely depending on intended market for the vehicle.
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'67 bug: seized by the authorities
'68 bug: seized by the authorities
'71 kombi: not yet seized by the authorities
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bnam
Samba Member
Joined: July 02, 2006
Posts: 2936
Location: El Dorado Hills CA/ Bangalore, India
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| Posted: Wed Nov 25, 2020 4:08 pm Post subject: Re: Bocar 34PICT3 question |
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Yes, I was (incorrectly) thinking of US cars when I wrote that. Do you have the full specs for that 1975 T2 carb? Would you mind posting it? I would like to refer to it before I modify this Bocar.
_________________
1971 1302LS Convertible (RHD) owned since '74
Click to view image
1965 Karmann Ghia Coupe - under restoration
1966 Fiat 1500 Cabrio (with 1600 Twin cam)
1952 Citroen TA 11BL |
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vwoldbug
Samba Member
Joined: January 28, 2009
Posts: 1214
Location: Ohio
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| Posted: Wed Nov 25, 2020 4:17 pm Post subject: Re: Bocar 34PICT3 question |
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| What size main jet does it have . I think buses were different than beetles. |
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kreemoweet
Samba Member
Joined: March 13, 2008
Posts: 3898
Location: Seattle, WA
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| Posted: Wed Nov 25, 2020 11:07 pm Post subject: Re: Bocar 34PICT3 question |
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| bnam wrote: |
| Do you have the full specs for that 1975 T2 carb? |
_________________
'67 bug: seized by the authorities
'68 bug: seized by the authorities
'71 kombi: not yet seized by the authorities
Stop dead photo links! Post your photos to The Samba Gallery! |
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glutamodo 
The Android
Joined: July 13, 2004
Posts: 26313
Location: Douglas, WY
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| Posted: Thu Nov 26, 2020 1:14 am Post subject: Re: Bocar 34PICT3 question |
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I'll call that image and raise you a few.
Whenever I've come across stuff like this over the last couple of decades, I've logged it on my charts. You can that chart here, sorted by the Modification State Number:
http://members.trainorders.com/android/temp/CarbBaseFlangeNumbersA.doc
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Andy T.
IMAGE NOTE: It has been noted that Chrome based browsers may have issues in displaying my vast image library, which use non-secure links and are on an FTP server. Images should still be viewable if the link is clicked though.
I do not know how to fix this. All I can say is it all works fine for me with what I use, Firefox. |
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bnam
Samba Member
Joined: July 02, 2006
Posts: 2936
Location: El Dorado Hills CA/ Bangalore, India
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| Posted: Thu Nov 26, 2020 9:20 am Post subject: Re: Bocar 34PICT3 question |
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@kreemoweet -- Thanks!
_________________
1971 1302LS Convertible (RHD) owned since '74
Click to view image
1965 Karmann Ghia Coupe - under restoration
1966 Fiat 1500 Cabrio (with 1600 Twin cam)
1952 Citroen TA 11BL |
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