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ol puddin head Samba Member
Joined: April 03, 2011 Posts: 50 Location: somerset ky
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Posted: Sat Jul 07, 2012 6:21 pm Post subject: 6 volt to 12 volt carb clearance problems |
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ok, after reading all the threads i thought i needed to, i tackled the 12 volt conversion on my stock motored 65. i had an extra generator and stand, voltage regulator and coil off of a 70 1600 single port motor that i had used on another car. everything went as planned till i went to put the 28 pict back on the manifold, but it hits the generator with the accelarator pump housing so the carb cannot sit flush on the manifold. is there something easy i'm missing, or does anyone have any ideas? |
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Ace Samba Member
Joined: July 07, 2003 Posts: 1903
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Posted: Sat Jul 07, 2012 6:24 pm Post subject: |
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Carb spacer. Empi pn# 3245 |
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ol puddin head Samba Member
Joined: April 03, 2011 Posts: 50 Location: somerset ky
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Posted: Sat Jul 07, 2012 8:15 pm Post subject: |
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i'll have to get the spacer then. why doesn't anyone else using a generator seem to be having this problem? |
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Eric&Barb Samba Member
Joined: September 19, 2004 Posts: 24670 Location: Olympia Wash Rinse & Repeat
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Posted: Sat Jul 07, 2012 8:39 pm Post subject: |
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Or bend intake slightly to left. _________________ In Stereo, Where Available! |
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bugdozer Samba Member
Joined: February 16, 2007 Posts: 81
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Posted: Sat Jul 07, 2012 10:21 pm Post subject: |
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I had the exact same problem. I bought a 1 inch spacer and it made the accelerator pump clear the generator. Then, unfortunately, the throttle cable wasn't long enough to reach the throttle. I had to make a little extension out of copper tubing. I think the best way to deal with the problem would be to bend the intake a little bit and to grind down the generator casing a little bit with a dremel tool. It is pretty thick, and it probably wouldn't create any problems.
I was curious why I had never heard of this problem in the conversion as well. |
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VOLKSWAGNUT Fastest VW Belt Changer
Joined: October 14, 2007 Posts: 11053 Location: Flippin' a Belt........ .... Off-n-On ... NC USA
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Posted: Sun Jul 08, 2012 5:53 am Post subject: |
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Grind a small area flat on the Generator....done.. _________________ aka Ken {o\!/o}
Its your vehicle- stop askin' for approval-do what YOU like for cryin' out loud
Better to roll em' how you want and wear em' out-than lettin' em' rot out
Its about the going not the showing
Rebuilt to drive not decorate
WANTED: Local Eatin' Joints, Triple D for TheSamba contributions here http://www.thesamba.com/vw/forum/viewtopic.php?t=570510
Search "VOLKSWAGNUT" on YouTube since you cant watch a "certain" BELT change video round here
Usually and often edited |
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Luis1964 Samba Member
Joined: August 07, 2004 Posts: 4 Location: San Diego
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Posted: Sun Jul 08, 2012 10:52 am Post subject: |
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Try the carb spacer and carb linkage for Empi. That should solve the problem. |
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glutamodo The Android
Joined: July 13, 2004 Posts: 26297 Location: Douglas, WY
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Posted: Sun Jul 08, 2012 2:22 pm Post subject: |
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I find that EMPI spacer to be way too tall for my tastes, for a generator it only needs to be lifted a short ways. (and in my case, with a convertible decklid with a rain tray on it, that would be too tall for the stock air cleaner's air intake arm to clear) Bending the manifold... I'd rather not do that either. I just use a stack of gaskets and longer studs in the carb - but I found some carb gaskets that were reinforced several years ago, that don't squish too much.
I heard about how some people like to make an isolation spacer out of wood, this is more a non-VW thing, to prevent too much heat-soak from the manifold. I made one a couple of years ago, but found it was still slightly too thick for decklid, and never got around to sanding it thinner.
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stevie_z Samba Member
Joined: November 21, 2005 Posts: 80 Location: Graz/Austria
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Posted: Fri Dec 12, 2014 1:12 am Post subject: Carburetor Spacer |
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Hello. I´ve installed a 1" spacer to make the accelerator pump (28 PICT) clear the 12V-Generator in my ´62 beetle. I´m seeing potential trouble with my accelerator cable, since it bends upward where it leaves the tube. I´m considering having the spacer machined down to 1/2", which should make the cable slide easier in the tube.
Did anybody have problems with the cable using a high spacer?
Thank you,
Stevie _________________ Bad Camberg, June 2019 - 1000 Mile roundtrip. Great Show! |
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glutamodo The Android
Joined: July 13, 2004 Posts: 26297 Location: Douglas, WY
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Posted: Fri Dec 12, 2014 8:03 am Post subject: |
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That's one of the reasons I don't like those huge-ass spacers. They can also make it so the air cleaner has clearance issues with the lid. I'd either modify it like you said or find something else to use.
-Andy |
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crowther Samba Member
Joined: May 07, 2009 Posts: 63 Location: Central Virginia
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Posted: Sun Dec 14, 2014 2:21 pm Post subject: |
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Stevie, I had my spacer (I like to call it a riser) machined down to approx 1/2 b/c it raised aircleaner a bit high and caused other clearance probs. Works fine with everything else around it and we feel it even gives a little highrise manifold effect (like to believe anyway) _________________ Paul
63 Bug, just because
57 MGA for the sunny days
82 911SC daily driver
12 MiniCooper ALL4
04 F150 for big jobs
2 car garage for all of this |
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herbie1200 Samba Member
Joined: April 27, 2006 Posts: 832 Location: Rome - Italy
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Posted: Tue Dec 16, 2014 1:21 am Post subject: |
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6Volt manifold are becoming very rare, please don't ruin them.
It's better to buy a 12V manifold and keep the original 6V one, making a favour to the 6v-world |
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VOLKSWAGNUT Fastest VW Belt Changer
Joined: October 14, 2007 Posts: 11053 Location: Flippin' a Belt........ .... Off-n-On ... NC USA
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Posted: Tue Dec 16, 2014 6:51 am Post subject: |
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herbie1200 wrote: |
6Volt manifold are becoming very rare, please don't ruin them.
It's better to buy a 12V manifold and keep the original 6V one, making a favour to the 6v-world |
In all my years of tinkering with these... .. I never realized intake manifolds, transaxle cases , and flywheels were voltage specific.. ...
(thats sarcasm)
. _________________ aka Ken {o\!/o}
Its your vehicle- stop askin' for approval-do what YOU like for cryin' out loud
Better to roll em' how you want and wear em' out-than lettin' em' rot out
Its about the going not the showing
Rebuilt to drive not decorate
WANTED: Local Eatin' Joints, Triple D for TheSamba contributions here http://www.thesamba.com/vw/forum/viewtopic.php?t=570510
Search "VOLKSWAGNUT" on YouTube since you cant watch a "certain" BELT change video round here
Usually and often edited |
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grandpa pete Samba Member
Joined: July 06, 2008 Posts: 6426 Location: St. Petersburg, FL
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Posted: Tue Dec 16, 2014 9:06 am Post subject: |
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VOLKSWAGNUT wrote: |
In all my years of tinkering with these... .. I never realized intake manifolds, transaxle cases , and flywheels were voltage specific.. ...
(thats sarcasm)
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The 6 volt electrons are much more picky about which shape metal they run through ; _________________ 63 two fold rag
66 sedan delivery Type 6
http://www.thesamba.com/vw/forum/viewtopic.php?t=569619&highlight=sedan+delivery |
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tb03830 Samba Member
Joined: December 02, 2009 Posts: 1045 Location: Leavenworth, KS
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Posted: Tue Dec 16, 2014 9:09 am Post subject: |
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VOLKSWAGNUT wrote: |
Grind a small area flat on the Generator....done.. |
Did this also on my 1200 SP. I later put a H30/31 Carb on it and the grinding also worked for that . Have to be careful not to penitrate the housing though. _________________ "Sic Vic Pacem, Para bellum - Pray for peace, prepare for war."
1964 Convertible Bug - 1600cc SP engine with a stock H30/31 Carb and SVDA Distributor - Swing Arm Highway Flyer Tranny, Gene Berg's Temperature Dipstick, 2.5" drop spindles, 2" narrowed adjustable front end. Chromed OEM fan tower. |
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herbie1200 Samba Member
Joined: April 27, 2006 Posts: 832 Location: Rome - Italy
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Posted: Wed Dec 17, 2014 3:29 am Post subject: |
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VOLKSWAGNUT wrote: |
herbie1200 wrote: |
6Volt manifold are becoming very rare, please don't ruin them.
It's better to buy a 12V manifold and keep the original 6V one, making a favour to the 6v-world |
In all my years of tinkering with these... .. I never realized intake manifolds, transaxle cases , and flywheels were voltage specific.. ...
(thats sarcasm)
. |
...it's never too late for learning something new |
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stevie_z Samba Member
Joined: November 21, 2005 Posts: 80 Location: Graz/Austria
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Posted: Wed Dec 17, 2014 6:36 am Post subject: Carb spacer |
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Thanks to everybody for the answers. I´m definitely going to have it machined down. Thanks especially to crowther for the 1/2-inch-information, that confirmed my suspicion that a rise of 12mm should suffice.
Info came just in time since I hope to start my bug next monday after 12 years work. I can hardly wait ´til monday!
Stevie _________________ Bad Camberg, June 2019 - 1000 Mile roundtrip. Great Show! |
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herbie1200 Samba Member
Joined: April 27, 2006 Posts: 832 Location: Rome - Italy
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Posted: Fri Dec 19, 2014 3:23 am Post subject: |
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glutamodo wrote: |
I find that EMPI spacer to be way too tall for my tastes, for a generator it only needs to be lifted a short ways. (and in my case, with a convertible decklid with a rain tray on it, that would be too tall for the stock air cleaner's air intake arm to clear) Bending the manifold... I'd rather not do that either. I just use a stack of gaskets and longer studs in the carb - but I found some carb gaskets that were reinforced several years ago, that don't squish too much.
I heard about how some people like to make an isolation spacer out of wood, this is more a non-VW thing, to prevent too much heat-soak from the manifold. I made one a couple of years ago, but found it was still slightly too thick for decklid, and never got around to sanding it thinner.
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I think carb and manifold should not be thermally isolated.
The air/fuel mixture shall never pass trough a cold/hod or hot/cold section because those are points in which air and fuel are prone to separate themselves. |
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