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Author Topic: IDA Rebuilding in England?  (Read 3994 times)
leec
Hero Member
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Posts: 2594


« on: January 09, 2012, 23:01:45 pm »

Have a lead on some Italian IDA's that once graced a Ford GT40.

They are described as good condition but sticky throttle shafts!

Has any one had a pair rebuilt by someone Uk based or could it be done by an amateur!!

Any hints would be appreciated.

Lee
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jmarkha1
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« Reply #1 on: January 09, 2012, 23:42:28 pm »

I am an amateur - a couple of full rebuilt kits, a lot of digital photos and some patience and I have a perfect set of IDAs.
Not sure about sticky shafts but I am sure someone on here will help.
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DKK Ted
DKK
Hero Member
*****
Posts: 1879



« Reply #2 on: January 10, 2012, 02:55:33 am »

Try using some WD 40, or something similar in the body where the shaft goes through, especially at the ends where the bearings are, that may help. At least you'll know what is bad or needs work. IDA's is really not that hard to do, like said before, take pics of under the carb around where the cam is and springs. That should help in reassemble.

Ted
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VW Classic 2012
stealth67vw
Hero Member
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Posts: 2261



« Reply #3 on: January 10, 2012, 05:54:30 am »

Aircooled.net has a good article on rebuilding IDAs.

http://www.aircooled.net/gnrlsite/resource/articles/48idarebuild.htm
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John Bates
JB Machining Services
1967 street bug 2020lbs w/driver
12.34 @ 108 mph 1/4
7.76 @ 89mph 1/8
OC1967vw
Full Member
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Posts: 139


« Reply #4 on: January 10, 2012, 06:11:51 am »

and
Have a lead on some Italian IDA's that once graced a Ford GT40.

They are described as good condition but sticky throttle shafts!

Has any one had a pair rebuilt by someone Uk based or could it be done by an amateur!!

Any hints would be appreciated.

Lee




My sources are all US based.They are expensive but they are the best. One does the rebuilds for Gunnar Racing, the preeminent Porsche race car restoration group outside of the factory. As I have said in a previous post to another, start with Webcon in England.  (www.webcon.co.uk). They most likely know who their customer specialists are.
Try John Maher.
Any UK autorestoration specialists should be able to help you.

Art Thraen out in Utah.

Pierce Manifolds out in California. All these have websites and are available to you via email.

Unless you have the specialized Weber tools to take them apart, you should not attempt it as you run the risk of doing greater damage to the carburettori.

Sticky throttle shafts can be an indicator of bent throttle shafts or the throttle plates rubbing the barrel walls of the carb body. They come blank and require being cut for the throttle plates (Weber tool needed).

Some of the major German restoration guys may help (Freisinger as an example) point you to a Weber specialist on the continent.
Lets be frank-this will not be cheap but will be correct to Factory specs when finished and done correctly by a Weber expert.
« Last Edit: January 10, 2012, 06:20:33 am by OC1967vw » Logged
leec
Hero Member
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Posts: 2594


« Reply #5 on: January 10, 2012, 13:50:11 pm »

Thanks for the replies guys, seems like there's mixed opinions Huh

OC1967vw,

What are these specialist tools required? If you could rebuild an IDF or 40 DRLA is the IDA that much more complex?

Lee
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OC1967vw
Full Member
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Posts: 139


« Reply #6 on: January 10, 2012, 14:28:43 pm »

Thanks for the replies guys, seems like there's mixed opinions Huh

OC1967vw,

What are these specialist tools required? If you could rebuild an IDF or 40 DRLA is the IDA that much more complex?

Lee

rather than get into a lengthy discussion, I would suggest you contact Webcon. certain they can helpyou.As for the tools, they are jigs, pullers,and pin punches that Weber made (amongst many tools) many years ago. They are NLA-sorry. Cautionary note-Taking apart an IDA/DCOE is not an easy task for the enthusiast-they are a real bear-replacing a throttle shaft-they bend-come blank-hence the jig to cut the throttle plate slots is not fun-I might suggest any Ferrari restoration specialists in UK-the network is very small

good luck
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OC1967vw
Full Member
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Posts: 139


« Reply #7 on: January 10, 2012, 16:45:59 pm »

Thanks for the replies guys, seems like there's mixed opinions Huh

OC1967vw,

What are these specialist tools required? If you could rebuild an IDF or 40 DRLA is the IDA that much more complex?

Lee

Lee,
from Aircooled.net:

"No matter where you find your 48s, they are almost always in need of some TLC. Many need a full rebuild, and some may also need repair if they have sustained damage during the course of existence. We hope you find this guide informative as we attempt to outline what is required to rescue the beloved 48 IDA, and to restore them to their former glory so that you can use them on your VW safely and reliably. After reading this article carefully, you may still not feel that you are up to the task of your 48 rebuild for lack of skill, tools, or confidence. If this is true in your case, then we recommend that you send your 48 IDA's to a carburetor rebuilder and have them done professionally rather than risk contributing to their extinction! "


good luck
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Neil Davies
Hero Member
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Posts: 3437



« Reply #8 on: January 10, 2012, 17:08:02 pm »

Lee, have you tried Ian at WPS? He's probably had more sets go through his hands than anyone else I know!
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2007cc, 48IDFs, street car. 14.45@93 on pump fuel, treads, muffler and fanbelt. October 2017!
leec
Hero Member
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Posts: 2594


« Reply #9 on: January 10, 2012, 18:27:38 pm »

Thankyou again for the replies.

Will catch Ian at the agm, the carbs aren't going anywhere soon Smiley

I guess it's a balance of new verses old/restored costs

Lee
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Stoo the worm Simpson
Newbie
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Posts: 35



« Reply #10 on: January 11, 2012, 15:53:22 pm »

Hi mate......i rebuilt mine myself after and engine fire (the powder from the extinguisher pretty much seized them up) i replaced both shafts and the butterflies....along with all the seals etc.
This was the first set of IDAs i had done and found it pretty easy, i just took my time and followed pics and the article on air-cooled.net was very helpful too.

Stoo
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leec
Hero Member
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Posts: 2594


« Reply #11 on: January 11, 2012, 18:13:21 pm »

Thanks Stoo,

going to go for them,

Lee
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OC1967vw
Full Member
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Posts: 139


« Reply #12 on: January 11, 2012, 19:33:43 pm »

leec,

heres a good recommendation for you since you havent taken a set of 48idas apart before. suggest you pickup a copy of haynes book on weber carburetors and read the book to get a sense of what is involved before you start. this is not an easy task especially with a set of the sand cast 48 bodies and not the mass produced stamped alloy 48 bodies. different metallurgy necessitating different standards of care in your approach

good luck to you
« Last Edit: January 12, 2012, 22:43:11 pm by OC1967vw » Logged
danny714
Newbie
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Posts: 43



« Reply #13 on: January 12, 2012, 21:47:59 pm »

Rebuilt more than a few sets of IDA`s . never had an issue with them .
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leec
Hero Member
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Posts: 2594


« Reply #14 on: January 12, 2012, 23:27:35 pm »

Cool,

What would you charge in labour? How's your car, was it you who had the accident at bug jam?

Lee
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