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08-23-2018, 07:55 PM
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#1 |
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Senior Member
Join Date: Jan 2008
Location: 100th Meridian
Posts: 569
Likes: 116
Liked 280 Times in 139 Posts
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Re: quadrajet 455ho
I just noticed it was a single booster carb.I believe it's only legal on a few cars yours being one of them.The guy you need is Danny Ashley,he's a member here,hopefully he'll see this.I don't have any current contact info,maybe someone here does. gsa612
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08-23-2018, 08:51 PM
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#2 |
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Senior Member
Join Date: Feb 2002
Location: Southeast Michigan
Posts: 909
Likes: 70
Liked 239 Times in 114 Posts
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Re: quadrajet 455ho
There is a special system that the 1971 455 HO carb has , its called the POE system . Its purpose is to add extra fuel at WOT . You may want to get the Quadra Jet book by Cliff Ruggles , he has a section on that system . Most Q-Jets do not have that system , it doesn't meter fuel as well as having fuel go through the venturies . You say your engine only runs rich in 1st gear , are you running a Ram Air hood and air cleaner ? Which body style , GTO , Formula , or Trans Am ? Each has a different system .
Check Fig 11 https://www.gmcmi.com/wp-content/upl...ice-Manual.pdf Last edited by ss3011; 08-23-2018 at 09:07 PM. Reason: Added Link |
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08-23-2018, 10:14 PM
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#3 |
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Member
Join Date: Jan 2009
Location: lebanon ohio
Posts: 251
Likes: 3
Liked 16 Times in 5 Posts
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Re: quadrajet 455ho
May be sloshing fuel out of the secondary metering rod holes. Do you have them sealed with tape or anything?
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08-24-2018, 08:53 AM
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#4 | |
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Guest
Posts: n/a
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Re: quadrajet 455ho
Quote:
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08-24-2018, 09:19 AM
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#5 |
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Member
Join Date: Dec 2005
Posts: 252
Likes: 303
Liked 132 Times in 27 Posts
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Re: quadrajet 455ho
Try Dean Oliver #870-830-5470
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