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10-27-2017, 09:55 PM
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CC Member
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Join Date: Feb 2013
Location: Carlsbad,
Ca
Cobra Make, Engine: SAI FIA, 289HP (5-bolt), 48IDA Webers
Posts: 1,244
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Not Ranked
WEBERS or EMPI, 48IDA
I am curious if anyone on the CC forum has had the chance to try out the new Empi version of the 48IDA? I know that they have added a third progression hole and increased the float bowl size. Looking for some feedback and or comparisons.
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10-28-2017, 09:15 AM
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CC Member
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Join Date: Jan 2016
Posts: 498
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Not Ranked
the question is: is anybody running 48 ida's without the third hole?
according to my recent research most of the weber shops offering new 48 ida's "modified ", which means with an added third hole, and all the shops here in Germany restoring Ford engines won't install any elder 48 ida without adding that third hole
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10-28-2017, 10:20 AM
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CC Member
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Join Date: Feb 2013
Location: Carlsbad,
Ca
Cobra Make, Engine: SAI FIA, 289HP (5-bolt), 48IDA Webers
Posts: 1,244
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Not Ranked
Peter,
That's an interesting observation. I know in the US market that the new Weber retailers do not sell their Weber branded 48IDAs with the modification, nor have they mentioned it being offered when being purchased. I have recently installed three different conversions, two big block (FE) systems and one small block (289) system and all of the Weber branded IDAs were lacking a third progression hole modification nor was I advised by the retailer that it should be done. On another note the Webers (Italian made) that I have on my personal car have not been modified with the third progression hole.
Peter, thank you for your input.
Last edited by CompClassics; 10-28-2017 at 10:24 AM..
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10-28-2017, 10:57 AM
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CC Member
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Join Date: Jan 2015
Location: Windsor,
VA
Cobra Make, Engine: ERA 289 FIA with a 347 cu in engine
Posts: 134
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Not Ranked
It figures, I just got my new set of Webers a few days ago. Now I find out that there is a newer version available. It's like buying a new I phone.  |
10-28-2017, 11:31 AM
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CC Member
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Join Date: May 2006
Location: Portland,
OR
Cobra Make, Engine: ERA FIA, 1964 289->Webers
Posts: 3,689
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Not Ranked
No 3rd hole here.
__________________
ERA FIA 2088
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10-28-2017, 12:45 PM
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CC Member
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Join Date: Jan 2016
Posts: 498
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Not Ranked
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10-28-2017, 01:35 PM
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CC Member
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Join Date: Feb 2013
Location: Carlsbad,
Ca
Cobra Make, Engine: SAI FIA, 289HP (5-bolt), 48IDA Webers
Posts: 1,244
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Not Ranked
Thank you for the update, Peter
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10-28-2017, 01:38 PM
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CC Member
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Join Date: Feb 2013
Location: Carlsbad,
Ca
Cobra Make, Engine: SAI FIA, 289HP (5-bolt), 48IDA Webers
Posts: 1,244
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Not Ranked
I am at a loss as to why Weber does not make this a standard feature on the new Webers if the third progression hole makes that much of a difference in the carbs drivability? It would be nothing more than an additional machining operation.
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10-28-2017, 02:51 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
Quote:
Originally Posted by CompClassics
I am at a loss as to why Weber does not make this a standard feature on the new Webers if the third progression hole makes that much of a difference in the carbs drivability? It would be nothing more than an additional machining operation.
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Fully agree.
Considering you can get DCOEs with 3, 4 or 5 hole progression. |
10-29-2017, 02:15 PM
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CC Member
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Join Date: Feb 2013
Location: Carlsbad,
Ca
Cobra Make, Engine: SAI FIA, 289HP (5-bolt), 48IDA Webers
Posts: 1,244
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Not Ranked
My thoughts too.
I would still be interested in hearing and feedback from anyone running the Empi versions. I believe that they are a little more expensive than the Weber counterpart.
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10-29-2017, 06:30 PM
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CC Member
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Join Date: May 2006
Location: Portland,
OR
Cobra Make, Engine: ERA FIA, 1964 289->Webers
Posts: 3,689
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Not Ranked
I don’t have any drivability issues. A choke system would be more beneficial than progression holes.
__________________
ERA FIA 2088
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10-29-2017, 09:50 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
The EMPI comes with 3rd hole progression and larger fuel bowl capacity, as the major differences.
If a 2 hole progression IDA runs well enough without the dreaded "flatspot" then, the carb is probably a restriction to topend, small venturi 37 from factory.
An early starting main system with a small venturi might cover up the "flatspot" that many complain about when they end up with 40mm plus venturis.
Last edited by Gaz64; 10-29-2017 at 09:56 PM..
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10-30-2017, 10:08 AM
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CC Member
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Join Date: Jun 2001
Location: Mesa,
AZ
Cobra Make, Engine: ERA #2119 289FIA
Posts: 5,380
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Not Ranked
Why not just go with the IDFs? Don't they have better drivability and I don't understand the benefit of IDAs, unless the car is an all out racer.
__________________
Karlos
"In the Land of the Pigs, The Butcher is King"
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10-30-2017, 11:37 AM
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Senior Club Cobra Member
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Join Date: Mar 2005
Location: Manchester,
NH
Cobra Make, Engine: AK1085 (302 Street), HTM111 (427 Comp), CSX2375R (289 Comp) and COB5999 (427 S/C)
Posts: 18,997
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Not Ranked
Mine are circa 1994
No third hole here...,
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10-30-2017, 01:45 PM
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CC Member
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Join Date: Feb 2013
Location: Carlsbad,
Ca
Cobra Make, Engine: SAI FIA, 289HP (5-bolt), 48IDA Webers
Posts: 1,244
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Not Ranked
Let's stick with the comparison at hand please, this could go completely sideways otherwise.
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