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CC Advertisers
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05-08-2018, 04:23 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
Paul, can you show some pics of what you found?
Geez, at 5mm, lucky it wasn't flooding more often.
14.5 seems a bit low,(a big drop from 5mm), I like 10-11mm.
The drop is not as critical as level, anywhere from 20mm up is ok.
Gary
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05-08-2018, 08:36 PM
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CC Member
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Join Date: Mar 2006
Location: San Marcos california,
CA
Cobra Make, Engine: 1989 KCC from South Africa Right Hand Drive
Posts: 1,605
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Not Ranked
When going to adjust multiple carbs, I have found almost every time that the blades are not in proper sinc. They have to be the first adjustment...the crank the fast idle up a bit and then adjust the idle screws . If you don't have a vacuum gauge synchronizor, then get a length of ...like fuel hose and hold one end in your ear and the other move from venturing to venturing ,until they all suck the same...
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05-09-2018, 10:08 AM
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CC Member
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Join Date: Dec 1999
Location: corpus christi, tx78414 usa,
Posts: 401
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Not Ranked
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05-09-2018, 10:10 AM
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CC Member
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Join Date: Dec 1999
Location: corpus christi, tx78414 usa,
Posts: 401
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Not Ranked
 may be hard to see, but some had more spots than others. All were black dots.
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05-09-2018, 10:12 AM
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CC Member
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Join Date: Dec 1999
Location: corpus christi, tx78414 usa,
Posts: 401
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Not Ranked
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05-09-2018, 04:39 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
Yes, the black dots polish off, something from production, possibly corrosion within the idle port after assembly.
The idle jet in an IDF is a separate piece to the idle jet holder like most Weber carbs.
Gary
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05-17-2018, 08:09 AM
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CC Member
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Join Date: Sep 2006
Location: No city...only 118 residents in Manter,
KS
Cobra Make, Engine: Cobra Auto Works body, Ron Godell Racecars chassis, 1989 Mustang GT 5.0 HO (converted to carb), W/C T-5, 3.73's in a Ford 9" Traction-Loc.
Posts: 812
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Not Ranked
I just ran across this thread, will post a link from the GT40s forum, where Webers seem to be the first choice whenever possible. First is a link to a YouTube video regarding tuning Weber carbs:
Weber Tuning Tutorial - On YouTube - GT40s.com
In addition, I ran across this CC article explaining the overall operation of Webers in general, posted by Tom Kirkham:
http://www.lainefamily.com/images/WeberTuningManual.pdf
They're tricky to sync, is what I've heard.
Cheers and good luck with your project!
Doug
__________________
YD,E./PNB
No names were changed to protect the innocent! 
Last edited by YerDugliness; 05-17-2018 at 09:20 AM..
Reason: couldn't get the second link to work
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06-01-2018, 06:08 PM
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CC Member
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Join Date: Dec 1999
Location: corpus christi, tx78414 usa,
Posts: 401
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Not Ranked
Hey guys. Back from my travels. Son had a beautiful wedding and I had a great tournament. Played the Westwood Senior Open a Category II National event played on clay in Austin Texas. I won the 70 and over singles, upsetting the #4, #2, and #1 seeds along the way. As for the FIA it seems to be running just fine. Switched to Shell fuel and noticed a big difference when mixed with my 110 leaded. As to Top End and Red Line, not a word. Sent both a couple of emails about my displeasure but no response. Guess we live in a different time than when I grew up and customer service was a given. Paul-the little guy on the left.
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06-01-2018, 06:15 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
Geez, you're looking good for "70 and over" Paul.
Gary
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06-01-2018, 08:16 PM
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CC Member / Sponsor
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Join Date: Jan 2002
Location: Provo,
UT
Cobra Make, Engine: HiTech Legends GT500
Posts: 1,359
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Not Ranked
This is the best tool I have found to set float levels on 48 IDA. I was amazed at how far off my factory set floats levels were.
JayCee Weber IDA Height Gauge |
06-01-2018, 09:12 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
Yes, if Webers only came with pyrex sight glasses like a late Holley, Demon etc  .
OER Weber DCOEs have external adjustable float level like a Holley.
If only IDAs and IDFs had that feature. |
06-03-2018, 11:03 AM
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CC Member
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Join Date: Dec 1999
Location: corpus christi, tx78414 usa,
Posts: 401
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Not Ranked
Thanks Gary.
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