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Registered
Join Date: Sep 2005
Location: Erie, PA. Fort Myers Shores , Fl.
Posts: 673
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Weber jetting question
I bought a track car from Colorado that has weber carbs. It has a 2.2E engine that appears to be fairly stock other that the carbs. The owner had it tuned for altitudes of around 5000 feet. I am bringing it down to sea level.
Anyone have suggestions for the jets I will want to start with? I'm afraid of running it too lean as is. Drew |
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12-28-2010, 02:04 PM
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Join Date: Jun 2007
Location: Lander, WY
Posts: 303
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I have a 2.2T with Zeniths and I have been working on the best jets for about the same altitude (4,000 - 7,000 ft). What looks best so far is 50 idles, 185 air correction and 110 mains. For your 2.2E at 0 ft, my first guess would be 55 idles, 195 air correction and 125 mains, assuming you are talking about 40s.
I bought a Innovate AFR meter and found it a must for jetting. Also get a set of jet gauges if you plan on using old jets since they always seem to have been reamed at some time.
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Doug 71 911T |
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12-28-2010, 02:38 PM
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Join Date: Sep 2005
Location: Erie, PA. Fort Myers Shores , Fl.
Posts: 673
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Thanks Doug. I wonder, though, if the Webers and Zeniths use similar sized jets.
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12-28-2010, 03:54 PM
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Here's a good point to start from. Your results may vary...
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12-28-2010, 04:50 PM
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Join Date: Oct 2006
Posts: 543
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nice chart...thanks m1
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12-28-2010, 05:03 PM
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Porsche 911 C2S
