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Sam 69 Gulf's Avatar
 
Join Date: Apr 2005
Location: Denver
Posts: 306
What Webber Set up for 71T?

I have a 69T with 71 2.2T motor and Webbers. These currently have 27 venturi’s and 115 mains. The car is in Denver (5000’).

Does anyone have any advice for what combination would give the best driveability and all round power?

Thanks
Sam


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"Trying to drive a 911 fast is like trying to throw a hammer backwards...." Unknown source
69 w/71 2.2L and Pretty Gulf paint!
Past P Cars - 90 C4, 84 Carrera, 74 Coupe
2007 Toyota Tacoma 4dr TRD & 2005 BMW 1200GS
Old 03-06-2008, 06:04 PM
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nice looking car! I have a '70T with Webers but I'm at sea level. Maybe one of the experts can chime in if that makes a big difference or not. I would think your setup would be quite different. I didn't set my carbs up so without a jet gauge I can't reliably give numbers off my car.

Here's a bump for your question though.
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Old 03-06-2008, 06:37 PM
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I came across a chart for basic starting points for weber carbs. From what you say, you have stock carbs from a basic 2.0L. THe chart indicates starting using these settings. I have a 2.2T with this setup, and it works fine, as long as the carbs are in good shape.

2.2T
30MM Venturies
125 Main Jet
180 Air Jet
55 Idle
F26 Emulsion Tube
Old 03-06-2008, 08:19 PM
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what cams?
Old 03-06-2008, 08:53 PM
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The chart indicated T cams. I believe it comes from Bruce Anderson


Engine Size & Cam Main VenturiMain Air Idle Emulsion Tubes Notes
2.0L 27 110 185 50 F2 69T Porsche Factory
2.0E 30 125 180 55 F26
2.0S 32 130 180 55 F3
2.2E 30 125 180 55 F26
2.2T 30 125 180 55 F26
2.2S 32 130 180 55 F3
2.4T 30 130 180 60 F26
2.4E 32 135 180 55 F26
2.4S 32 135 180 60 F3
Old 03-07-2008, 06:20 PM
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Thanks. I currently have

2.2T 27 120 ?? 55 ??

I am about to change to 30 Venturis but have had warnings of doggish repsonse at low rpm's - thoughts?? (remember 6000'!)

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"Trying to drive a 911 fast is like trying to throw a hammer backwards...." Unknown source
69 w/71 2.2L and Pretty Gulf paint!
Past P Cars - 90 C4, 84 Carrera, 74 Coupe
2007 Toyota Tacoma 4dr TRD & 2005 BMW 1200GS
Old 03-14-2008, 06:34 AM
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