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deathpunk dan's Avatar
 
Join Date: Jul 2005
Location: southern RI USA
Posts: 1,513
Uhhh...Take a look down the throats of the right side webers please

Cylinder #4 carb throat:


Next throat behind that:


And finally, the normal looking 3rd throat in the back:


Am I looking at 2 melted auxiliary venturi tubes? The K&N filter has a melted spot on it corresponding to these locations, so it looks at there was some kind of firey spit-up in the past.

How difficult to rectify this situation? Do you recommend fully rebuilding the carbs while I'm at it?

Any advice is appreciated.

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Sepia brown 1971 911T.
Old 09-09-2007, 05:32 PM
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RichF's Avatar
 
Join Date: Feb 2007
Location: Moyock,NC
Posts: 251
is that some kind of melted rubber in the first to pics or is that melted metal? I would use about 2 cans carb cleaner and clean the **** out of those
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Old 09-09-2007, 06:36 PM
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deathpunk dan's Avatar
 
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I'm so dumb...I just had an epiphany...the melted stuff is *probably* melted glob from the rubber filter element lining...

I mean,. it would have to get awfully hot to melt those tubes themselves...I guess it's time to yank the carbs from the car, and go through them.

I'll be ordering a carb rebuild kit tommorrow.
And a new K&N filter or two.
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Sepia brown 1971 911T.
Old 09-09-2007, 06:55 PM
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Join Date: Mar 2001
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the tubes melt just fine.
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Old 09-09-2007, 07:13 PM
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Join Date: Jun 2004
Location: Rio Rancho, New Mexico
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Yep, the vents are melted.
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'76 911S 2.7, webers, solex cams, JE pistons, '74 exhaust, 23 & 28 torsion bars, 930 calipers & rotors, Hoosiers on 8's & 9's.
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Old 09-09-2007, 08:02 PM
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Time for new ones and furthermore, dealihng with what caused them to melt in the first place,.....

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Old 09-09-2007, 08:13 PM
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