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Carbys on twin port

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Alec Learner Dubber

8 posts · joined Oct 2008 ·

#674145
I am looking to put a new carby or twin carbs on my 67 1600twin port beetle what ones would be the best as i was told to stay away from a 40mm weba why it has a new 34pit solex and still not running to good is there anyone out with good advise thank you. Alec

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#674159
who told u that load of crap
webers are one of the best bolt on improvements but u need a good zorst on as well tho
kadrons arent bad but there made to work, not work on

if u have a new carb then good chance its one of those bocar repoops
they never work out of the box
i recently put one on a mates superbug and had to completely re-jet it and frig with the accel pump to get a decent idle and remove the flat spot

Alec Learner Dubber

8 posts · joined Oct 2008 ·

#674213
A vw expert in Sydney.Do you know if it possible to get a good second hand set of Kadrons or are you saying that they are to hard to tune and work on i need something and i need it now i have extractors on it

Bizarre Moderator The artist formerly known as blue74l

12,789 posts · joined Aug 2002 ·

#674222
there is "some truth" in what he says but you need to tell us what you wnat out of the carbs
Power?
reliablity?
economy?

What experience do you have?
none?
you can adjust mixture screws easily and correctly?
you can jet a carb?

Webers are VERY good carbs - but "I" will say not really suited for a novice on a daily driver.

Webers and Kadrons are equal to Holden Vs Ford (Webers are Holden 😀 )
Either be prepared to pay dearly to get a set of Webers tuned in to your car.
Can be expensive if they come with the wrong venturis, Emulsion tubes, main, idle and air jets - let alone a rebuild
They also tend to suffer from blocked idle jets

Kadrons are single barrels not dual like the Webers and i dont believe the vents are changeable.
So MUCH cheaper to set up.

Again "I" will say not as good as Webers but what would "I" know
More than a few people have Kads on a daily driver and never even looked at them
Others have ripped their own spleen out in fustration

Personally unless you are chasing power and if it is a daily driver i would get an original German Pict 34/3 rebushed.
Futue te ipsum!!!

kroozzn63 Bishop of Volkswagenism

3,005 posts · joined Jan 2004 ·

#674224
if you want kadrons Second hand u2u "rodpenrose"
show us your gates

Alec Learner Dubber

8 posts · joined Oct 2008 ·

#674227
I want it to go when i go round the corner and put my foot on the throttle not when it wants to go a little more power would be good can you get that by just changing your carbs if so that sounds ok if i tinker with the new 34pit carb will they take it back as i said it is about 2 months old and not pleased with it at all. so what i am saying is a little more power would be good all ready cheap to run so if it users more petrol that's not a problem which is the best way to go any advise is good advise taking it all in i just need to now which is the best way to go. Thank you. Alec

gellecan Seriously Crusin Dubber

134 posts · joined Feb 2006 ·

#674232
sounds like a common promblem let us now which way you go as i am having the same problems with my KG twin port🤪

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#674310
2nd hand kadrons come up from time to time
upto 400 is the going rate

i sold a set to a mate for $250 a few weeks ago
theyre probably the better choice for a stock engine
but once u go adding a better cam etc then twin throat dells/webers give better results

theyre not hard to tune once u have done it a couple of times
my complaint is nothing is easy to access with them unless u run a 36hp style shroud
mixture screws are a pain and spark plugs are just a nighmare to get at
standard kadron linkage leaves a bit to be desired too

as Barry said its luck of the draw
the pair i had were the ones that needed tweaking every few months to keep the idle speed in check but some ppl never have to touch theirs

my webers i never touch but there good old italian ones not the chinese crap theyre pumping out now

trickysimon 100km/h is only 9 seconds away

1,473 posts · joined Dec 2007 ·

#674436
No 44s are too big. Go with 36IDFs or 40IDFs.
Simon

Bizarre Moderator The artist formerly known as blue74l

12,789 posts · joined Aug 2002 ·

#674445
Well - that is a single carb

Personally $800 for a single 44 is well ................ steep.

Singles "can" be real pigs to jet
Futue te ipsum!!!

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#674514
i laugh every time he relists that thing
he had that weber on ebay for a good 12 months atleast

Alec Learner Dubber

8 posts · joined Oct 2008 ·

#674596
do you now were i can get my hands on a full set 36IDF or 40IDFS for a good price and from someone that knows what there talking about it seems like there is a lot of so call experts out there that don't really know and make it up as they go

barls Administrator Causer of Chaos and Mayhem

9,474 posts · joined Jun 2004 ·

#674603
you could try ether richard at vforce or vintage veedub both are sponsors of this forum
“We all pay for life with death, so everything in between should be free.” Bill Hicks
the chaos project - click me

Bizarre Moderator The artist formerly known as blue74l

12,789 posts · joined Aug 2002 ·

#674666
These are all bench tested and will be set up for the jets and vents you ask for.
You will find cheaper initially but not once you get them rebuilt

Pity the $$$ is down but here is exactly what you are after.
You can pick up manifolds, linkage and filters just about anywhere

This guy comes with a great reputation.
Dont know if i agree with his jetting recommendations but that is my opinion

Me - for a 1600 i would go the Weber 36

Dell 36's
http://cgi.ebay.com/ebaymotors/VW-PORSCHE-DELLORTO-DRLA-36-CARBURETORS_W0QQcmdZViewItemQQcategoryZ33550QQihZ016QQitemZ260290715574QQtcZphoto

Dell 40's
http://cgi.ebay.com/ebaymotors/VW-PORSCHE-DELLORTO-DRLA-40-CARBURETORS_W0QQcmdZViewItemQQcategoryZ33550QQihZ015QQitemZ250299085165QQtcZphoto

Weber 40's
http://cgi.ebay.com/ebaymotors/VW-PORSCHE-WEBER-IDF-40-DOWNDRAFT-CARBURETORS_W0QQcmdZViewItemQQ_trksidZp1742Q2em153Q2el1262QQcategoryZ33550QQihZ015QQitemZ250287583561QQtcZphoto

Weber 36's
http://cgi.ebay.com/ebaymotors/VW-PORSCHE-WEBER-IDF-36-DOWN-DRAFT-CARBS_W0QQcmdZViewItemQQ_trksidZp1742Q2em153Q2el1262QQcategoryZ33550QQihZ016QQitemZ260084271148QQtcZphoto
Futue te ipsum!!!

Alec Learner Dubber

8 posts · joined Oct 2008 ·

#674813
How do i now what size jets to request on the Dellorto 40 thank you

Pauld Officially Full-On Dubber

204 posts · joined Sep 2008 ·

#674814
has anyone got a manifold and a good linkage? we had a really dodgy one on a beetle which is being rebuilt at home and couldnt get it tuned no matter how much " tweaking" went into it. i would need the whole lot, carbs linkages and manifolds

Bizarre Moderator The artist formerly known as blue74l

12,789 posts · joined Aug 2002 ·

#674818
Alec wrote:How do i now what size jets to request on the Dellorto 40 thank you
Read here for starters http://www.aircooled.net/gnrlsite/resource/articles/jetting.htm
Then read the Haynes Weber book
Then read the Dellorto Tune book
Then 🤪

My opinion for a 1600 for Weber jets
Dells are different names

Vents 32
Mains = 4.1 x Vents = 131.2 say 132.5 or 135
Idles = whatever the motor wants to find "best lean idle"
I would start with 50's but my 1775 wanted 45's
Airs - start at 200's
Emulsions - F11
Futue te ipsum!!!

Alec Learner Dubber

8 posts · joined Oct 2008 ·

#674849
Thank You Bizarre for all your help i now have some reading to do over the weekend it is looking like the dellorto 40 un less you can tell me otherwise. thank you.