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Crotchety Old Bastard
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ITB users - what do you do for throttle linkage?
What/how are you guys connecting your Individual Throttle Bodies to each other and to the main throttle linkage mounted in the rear of the engine?
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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06-29-2006, 08:54 AM
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Registered
Join Date: Feb 2004
Location: Geneva, IL
Posts: 666
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TWM 3003 series throttles use weber/PMO linkage and manifolds. Jenvey throttles require a bit more creativity as they are cable driven.
All of the ITB's have cross-linkages and individual bank linkages specific to their architecture and you really only need to worry about the connection point to the main throttle linkage.
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1971 Targa RS - Sold 1964 BMW 1800Ti 1969 BMW 2002 |
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06-29-2006, 09:22 AM
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Join Date: Dec 2002
Location: Dahlonega , Georgia
Posts: 14,606
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Just to back up what Mike said I have the TWM 3003's on my SC and I was able to use the OEM linkage with a little bit of "tweeking'. It was easy and used OEM parts.
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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06-29-2006, 12:49 PM
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Crotchety Old Bastard
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Is the cross bar for Webers the same as the cross bar for MFI?
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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06-29-2006, 01:45 PM
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Crotchety Old Bastard
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Can someone post a picture of Weber, MFI, and ITB installed linkages?
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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06-30-2006, 04:10 AM
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Registered
Join Date: Feb 2004
Location: Geneva, IL
Posts: 666
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Webers:
 TWM 3003 Series (note: same linkage as above with shortened drop links that attach to idle adjustment screws):  Jenvey Schematic:  Jenvey Installed:  MFI Schematic: 
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1971 Targa RS - Sold 1964 BMW 1800Ti 1969 BMW 2002 |
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06-30-2006, 06:21 AM
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Crotchety Old Bastard
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Thank you !!
That is exactly what I needed to know. It looks like MFI and Webers have different linkage.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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06-30-2006, 08:58 AM
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78 Porsche 911SC 3.0L, 3.3Turbo soon. 
