Loc Posted June 16, 2010 Report Share Posted June 16, 2010 I just finished building a 421 Cub and I am needing a start point for my jetting. Elevation 1400 feet temp 85 Degrees. 421 Cub 4mm Long rod 34mm Mikuni CPI in frames pipes +5 timing 20 CC domes in a noss head no porting Quote Link to comment Share on other sites More sharing options...
bennieben1 Posted October 1, 2012 Report Share Posted October 1, 2012 what jeting did you end up with? Quote Link to comment Share on other sites More sharing options...
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