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914World.com _ 914World Garage _ Dual Weber 44 IDF Jetting for 2270/2258

Posted by: tornik550 Jun 25 2012, 09:15 PM

Looking to order some more jets for my carbs and I need a starting point. The smallest jets that I have are way too rich. What is everyone else using for their 2270 or 2258 with dual Weber 44 IDF's?

Posted by: Racer Chris Jun 26 2012, 04:31 AM

55 idles
145 mains
200 air correction

Posted by: Borderline Jun 26 2012, 09:54 AM

I'm running 150 main and 200 air correction on a 2366cc engine. I think I'm running 55 idles.

Posted by: tornik550 Jun 26 2012, 10:22 AM

What about venturis?

Posted by: Jake Raby Jun 26 2012, 07:18 PM

Sounds like the exhaust system is inadequate.. The first symptom is rich running with tiny jets... Or maybe fuel pressure/ float height is too high.

My engines dial in generally with:
36 venturi
f11 emulsion
145 main
190 air
60 idle