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04-29-2022, 07:33 PM
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#1 |
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Registered User
Join Date: Sep 2008
Location: Marysville, WA
Posts: 17
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What is this hose nipple for? Can I plug it?
I want to replace my carburetor for a 1972 chevy C10 250 CI engine that had a rebuild Rochester Carb (7042021) that lacked a linkage to used the power pump (except it was left in the carburetor and the hole for the linkage was plugged-looked factory). I see lots of Rochester replacement carbs out there, except they all have a hose nipple sticking out of a hole above the float bowl (see shiny picture), that my carb does not (see less clean picture). Does anyone know what the nipple is for? Can I plug it?
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1972 Chevy C-10 1/2 ton - "3 on the tree" |
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04-29-2022, 08:33 PM
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#2 |
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Who Changed This?
 
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,790
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Re: What is this hose nipple for? Can I plug it?
It is part of the fuel vapor control system. That system was instituted in '70 on 1/2T trucks. If you aren't smelling gas in the cab, the system was probably removed.
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~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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04-29-2022, 09:01 PM
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#3 |
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Registered User
Join Date: Sep 2008
Location: Marysville, WA
Posts: 17
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Re: What is this hose nipple for? Can I plug it?
SUPER! That clears up a lot. Thank you.
__________________
1972 Chevy C-10 1/2 ton - "3 on the tree" |
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