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06-04-2006, 09:34 PM
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#1 |
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Registered User
Join Date: May 2005
Posts: 80
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q-jet ?
I Was Looking At Carbs At The Auto Parts Store. They Showed Me One That Was Listed In Their Computer Under Champion Rochester Quadra Jet. Part # 3-87a. The Man Behind The Counter Couldnt Tell Me The Cfm. Would Any Of Yall No? The Price Was Only $145.oo
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06-05-2006, 08:32 AM
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#2 |
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Registered User
Join Date: Mar 2005
Location: 10-Uh-See
Posts: 5,609
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Re: q-jet ?
Almost all Q-jets are 750, which are probably what these are. Some of the later electronic controlled carbs were 795 cfm.
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06-05-2006, 09:34 AM
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#3 |
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Registered User
Join Date: Apr 2006
Location: East Sooke B.C. Canada
Posts: 543
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Re: q-jet ?
Q jets came in two sizes, 750 and 800. This was max cfm. GM adjusted them down from there by altering the opening of the secondary throttle and air flaps.
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06-05-2006, 03:51 PM
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#4 |
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Aluminum slot wheels rule...
Join Date: Jan 2006
Location: Maine
Posts: 6,211
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Re: q-jet ?
I thought most Q-jets were 625cfm for SBC's, and the 750's were for big blocks.
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