07-30-2010, 08:24 AM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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Not Ranked
Mike that stutter is most likely to lean on the main jets. That is fairly common with dual carbs, because of the large air flow they need to run well on the "rich" side. Sure you can get by with smaller jet's, more stumble when it's cold, get's much better after the engine is good and hot, better mpg with smaller jets. But you will always have a bit of hesitation. Go BIG. I'd start by going at least 5 or 6 sizes of jets larger than you have now just to see if your headed in the right direction. If 5 or 6 size increase feels like to much, drop back a size or two. Jets don't cost that much.
I went from a 64 to 72 and I really like it, NO bog at all!
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