Have you checked that the linkage between the two carbs are not binding and the carbs open fully?

These articles may be useful:

http://www.redlineweber.com/html/Tech/dcoe_adjustment_layout_typical_i.htm

https://240260280.com/Tech/Carbs/Weber/DCOE%20Theory%20Operation%20and%20Tuning.html

Last edited by britmog; 25/02/24 10:32 PM.
Bruce
1964 4/4 Series V Comp (Megan)
1994 +8 (Maurice) tis no more
2013 M3W (Olga)