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Aftermarket Down-draft carbs including Weber DG_V and DG_S

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Old 05-26-2007   #1 (permalink)
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Unanswered: Weber Carburator Rebuild

I have a weber carburetor and want to know if I can buy a rebuild kit and do it myself?
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Old 05-26-2007   #2 (permalink)
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have a search in the forum
http://www.opelgt.com/forums/afterma...e-draft-carbs/
if its down draft
or


http://www.opelgt.com/forums/afterma...wn-draft-carbs

if its side draft

welcome to the site btw
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Old 05-27-2007   #3 (permalink)
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What needs repair?

Most problems with Weber 32/36 carburetors, are either based on a carb having excessive wear at the throttle shaft bushing (if it shakes, where the linkage connects to the carb -- then it will have a virtually irreparable internal vacuum leak) or from a carb that was allowed to sit a long time with gas in it (the square exterior diaphragm starts to leak, which can be fixed easily with a replacement).
There is a book on rebuilding Weber carbs, that's sold for about $20., but it doesn't tell you all that you need to know.

Most operational problems on an Opel with a Weber 32/36, are based on an incorrect installation (you need to use a thick base gasket, and put gasket sealer on all surfaces between the bottom of the carb and the top of the intake manifold). You also need to check other hoses and connections, to eliminate common vacuum leaks (which makes a Weber carb almost impossible to tune at idle)

You can buy a Weber kit from a Weber shop, but they won't tell you how to install it on an Opel! But if you buy a Weber kit from an Opel parts retailer (about $25.), you could also get answers and technical help (and other parts you might need, that you didn't know about), so that your Weber will work once it's installed correctly.
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Old 06-14-2007   #4 (permalink)
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Thank you for the information. I just posted another question today, so I am learning how to use the site. (It's taken about 2 weeks to find this place again.) I don't know for sure that it needs to be rebuilt. I just thought if I'm fixing the car and I have an old, used carb, it would need to be re-built too. Would it be better if I instal the carb and see how it works before I take it apart?
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Old 06-14-2007   #5 (permalink)
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One way to diagnose

You can install a carb, as a means of testing it, however you need to make sure that you properly seal the mounting base gasket with gasket sealer (like Permatex hi-tack) to prevent vacuum leaks there. You also need to evaluate and replace the vacuum hoses, to make sure there's no other leaks, and you will also have to verify or correct the ignition timing and point gap/dwell on the distributor, before you will be able to properly set and tune the carb on a running engine.

Procedure is listed here:

Engine
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