what kinda carb is this

peacekeeper6

Senior Chief Petty Officer
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Apr 25, 2005
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what is this

DSC01592.jpg
 

Don S

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Aug 31, 2004
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Re: what kinda carb is this

Rochester Quadrajet
 

Bondo

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Re: what kinda carb is this

Ayuh,.......

Looks like a small pile of Scrap Aluminum with a little steel contamination.............:D
 

Silvertip

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Sep 22, 2003
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Re: what kinda carb is this

Whatever it was on before it died was running really rich.
 

Don S

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Re: what kinda carb is this

PS: it's also upside down and the gas will run out of it. :rolleyes:

Black throttle plates do not mean it's running rich. The black color seen on spark plugs is do to rich combustion. Which is way AFTER the carbs throttle plates.
 

Bt Doctur

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Aug 29, 2004
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Re: what kinda carb is this

It`s a "Q-Jet" 4bbl from an automotive application looking at the vac. porting.
 

flabum

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Feb 17, 2007
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567
Re: what kinda carb is this

It`s a "Q-Jet" 4bbl from an automotive application looking at the vac. porting.

Crusaders, Chris Craft and older Mercruiser Quadrajet carbs resembled automotive carbs since they indeed ran PCV valves and vacuum advanced distributers. The fuel pump overflows generally went to the flame arrestor. The black on the buytterflys is a teflon coating they applied to marine carbs to slow the rust.
 

CharlieB

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Apr 10, 2007
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5,617
Re: what kinda carb is this

Many people hate the Q-Jet
Many people hate the Carter, Holley, Weber (take your pick)

They are all good, in the right hands.

The Q-Jet is on of the finest carbs built, once dialed in. The small primaries with their high air velocity gave greater milage, better idle control, more sensitive part throttle, and the massive secondaries really brings in the power on demand. When it works.

As with all carbs, clean fuel, proper maint, and it just works.

I vote for a proper cleaning and set up and use it, if the throttle shafts are getting sloppy I know a machine shop that will rebush and seal the shafts BETTER than new.
 
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