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Old 05-22-2009, 12:25 PM
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race-it race-it is offline
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Join Date: Feb 2007
Location: Graham, WA, wa
Cobra Make, Engine: Everett-Morrison, 347 Stroker
Posts: 425
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I have 44 IDF from Weber Direct.
Note, Between the drive that had popping and sneezing and the amazing transformation of my motor I found three of the eight idle jets were missing the small "O" ring that goes on them. I do not know but I now expect the missing "O" rings contributed to popping and sneezing. My tune up is not complete I want a professional to dyno it and make corrections. I do know I have a tremendous increase in power that I never had before. If you have have changed idle jets on you weber and still have unexplained popping check for missing "O" rings. They are easy to loose!!

I hope someone will have a print out of what the a 347 with Weber's in tune print out should look like so I can compare to my print outs.

My settings

Main Jet 140
Idle Jet 55
AC Jet 185

Last edited by race-it; 05-22-2009 at 12:39 PM..
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