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Discussion Starter · #1 ·
I have installed a 1641 engine with a 32/36 weber carb in a '72
bay. Question: The vacuum return pipes fron carb to fuel tank: is it
necessary to keep them or can they now be discarded and blocked off?

Thanks in advance.

Mike. :)
 

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There isnt a vacuum return from the carb to the fuel tank, do you mean the breather pipes on the fuel tank? They must stay on.
 
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