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Author Topic: '81 305 stock carb  (Read 2365 times)

Offline 81project

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'81 305 stock carb
« on: October 07, 2008, 07:40:47 PM »
I can't find an answer to my question anywhere. Is the stock 4bbl carb on a 1981 305 square or spread bore?
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Offline VileZambonie

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Re: '81 305 stock carb
« Reply #1 on: October 07, 2008, 08:11:37 PM »
Quadrajets are spread bore.

Holley's are square bore.

You should have a Q-Jet
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline TexasRed

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Re: '81 305 stock carb
« Reply #2 on: October 07, 2008, 08:15:51 PM »
Not all holleys are squarebore. In fact, they made a ton of spreadbores.

The factory carb should be a spreadbore qjet from 1981 but it may have been changed before you got it.
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Offline 81project

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Re: '81 305 stock carb
« Reply #3 on: October 07, 2008, 08:21:11 PM »
Thanks guys. I assume it is a spread bore then. It is a Rochester Qjet.
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Offline VileZambonie

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Re: '81 305 stock carb
« Reply #4 on: October 07, 2008, 08:28:14 PM »
Yes holley does make spread bores I 've got a few of them in stock but stock carb is a spread bore.
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,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10
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