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914/4: 70 71 72 73 74 75 76 914/6: 70 71 72

 
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> 914/6 Webers
Bobby Smith
post Apr 15 2020, 04:41 PM
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Could one of the 914/6 experts tell me what makes the 914/6 Webers different than normal 3C Webers? Thanks.
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davep
post Apr 15 2020, 05:15 PM
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I believe it is all in the linkage and connection to throttle rod.
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Bobby Smith
post Apr 15 2020, 05:35 PM
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QUOTE(davep @ Apr 15 2020, 03:15 PM) *

I believe it is all in the linkage and connection to throttle rod.

I'm thinking the 914/6 had Weber IDT TP13C The ID "T" being different. Would like to confirm that if it's correct.
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gms
post Apr 16 2020, 12:56 PM
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QUOTE(Bobby Smith @ Apr 15 2020, 06:35 PM) *

QUOTE(davep @ Apr 15 2020, 03:15 PM) *

I believe it is all in the linkage and connection to throttle rod.

I'm thinking the 914/6 had Weber IDT TP13C The ID "T" being different. Would like to confirm that if it's correct.

The IDTs have a different enrichment progression circuit than IDAs, better for smaller displacement.
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Bobby Smith
post Apr 16 2020, 04:38 PM
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QUOTE(gms @ Apr 16 2020, 10:56 AM) *

QUOTE(Bobby Smith @ Apr 15 2020, 06:35 PM) *

QUOTE(davep @ Apr 15 2020, 03:15 PM) *

I believe it is all in the linkage and connection to throttle rod.

I'm thinking the 914/6 had Weber IDT TP13C The ID "T" being different. Would like to confirm that if it's correct.

The IDTs have a different enrichment progression circuit than IDAs, better for smaller displacement.

Yep, IDT came on 69T 2.0 and the IDTP13C was exclusive to the 914/6 2.0.
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E. Fry
post Apr 12 2022, 12:52 PM
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One throat draws fuel from one bowl and two throats from the other. I can't remember which is which, but the 916-6 Weber is opposite from the 911 weber.
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sixnotfour
post Apr 12 2022, 06:21 PM
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IDTP, emission carb has a a Step on Mixture screw,, limiting fuel mixture on idlle ..

Show me an IDT
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DennisV
post Feb 25 2023, 07:04 AM
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QUOTE(Bobby Smith @ Apr 15 2020, 03:35 PM) *

QUOTE(davep @ Apr 15 2020, 03:15 PM) *

I believe it is all in the linkage and connection to throttle rod.

I'm thinking the 914/6 had Weber IDT TP13C The ID "T" being different. Would like to confirm that if it's correct.

It is possible that I'm confused, but I think it is the "1" that makes the 914-6 model number different:
IDTP = 911
IDTP1 = 914-6

I have also been told by a well-know carb shop that:
QUOTE
The Webers themselves look identical from IDTP to IDTP1, the only real difference is the location of the main fuel jet installation. The main fuel jet location for the middle barrel is towards the front of the car so for 914/6 the location of the main fuel jet is relocated from that of the 911, nothing more that that and a part number difference.
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altitude411
post Feb 25 2023, 12:30 PM
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