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Old 02-26-2013, 03:39 PM   #1 (permalink)
 
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73 GTO Carb comparission?

Hey all Im running the 442 in my 73 GTO, the 400 ci with the quadrajet carb, I was looking at switiching to a edelbrock 4 barrel but my neighbor who is more intuned with older cars sais that the Quad is a way better carb. Any advise?
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Old 02-26-2013, 04:00 PM   #2 (permalink)
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No contest. A well set-up QJet is hands down better than the Edelbrock.

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Old 02-26-2013, 05:43 PM   #3 (permalink)
 
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Well thanks for that, that's what my neighbor was saying to but said to check online as well,
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Old 02-27-2013, 06:49 AM   #4 (permalink)
 
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Indeed, if it's set up properly, the Q-jet is the better choice. Look into getting the one you have rebuilt and you'll be happy.
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Numbers matching 400 c.i.d.
Numbers matching TH400 w/stage 2 shift kit
Limited slip 3.23 gears
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Old 02-27-2013, 01:47 PM   #5 (permalink)
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More often than not, the biggest problem with any QJet will be the 'last guy who worked on it' --- who was trying out his brand new subscription to the 'secret trick of the month' club and thought he could "fix" all the "well known problems" with the carburetor.

Set up properly with all internal systems working like they were designed to, that carb is very tough to beat on a street engine. The only real limitatiions they have are the 800 cfm "ceiling" which makes them insufficient to adequately feed large displacement, high rpm, high horsepower race engines, and the small fuel bowl which makes having an adequate fuel delivery system of prime importance.

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