Technical What carb do I have? I believe its a DICA but mine seems to have an extra tube.

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Technical What carb do I have? I believe its a DICA but mine seems to have an extra tube.

toomanynuggets

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Joined
Jul 17, 2025
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Location
Fort collins
IMG_4758.jpeg
IMG_4757.jpeg
IMG_4756.jpeg
 
Model
850 sport spider
Year
1973
Mileage
80880
Specifically in the bottom picture there seems to be an additional unit with a hose coming off of that I haven't seen in other weber 30 DICA's. I'm looking for a carb rebuild kit and would like to know for certain which carb I have before ordering. Thanks for any help!
 
It's a 30dic11 from a 903cc sport spider and correct for your car as it has some smog control stuff on it. It has choke of size 23/23 but most repair kits cover all the 30dic models, check your primary shaft play as you've got 80k miles if the pivot is worn it may create a variable idle if you have a worn shaft.

Tim
 
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