
02-06-2012, 05:26 PM
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CC Member
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Join Date: May 2006
Location: Portland,
OR
Cobra Make, Engine: ERA FIA, 1964 289->Webers
Posts: 3,689
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Not Ranked
I set mine at 6. Had them at 5.5, no noticeable difference. I had a similar hesitation but went away with main jet change. I have the rock guard. Funny thing was that I was a size above & a size under with the main jets with the same hesitation symtoms. I put the inbetween size in for the hell of it & it went away. 
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ERA FIA 2088
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