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Old 01-12-2010, 08:14 AM
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priobe priobe is offline
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Cobra Make, Engine: E-M Cobra Ford FE 427 w/ Webers 48 IDA
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Quote:
Originally Posted by markha View Post
I am starting in 3rd gear at about 2000 rpm and as you can see from the log, I get a lean spike at 2800 - 3000. Help. What should I trying changing? .

I would change to a F11 tube.

This would richen up your transition.

But in my opinion you idle circuit maybe too rich. I think your 70 idle jet is way too rich.

I would first concentrate on your idle circuit then transition with main.

too rich on the mains if I am reading the graph correctly.

So technically you are running rich except where you indicated

Last edited by priobe; 01-12-2010 at 08:17 AM..
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