Hello,

It's my first post here because know-how about carbureted induction in my home country is very limited.
Due to various ways I have a 2 liter Pinto engine with custom intake currently installed on a 2-door Sierra. The engine itself is standard Pinto, but head is 8-9 years ago ordered from UK and has a Kent FR32 cam and R1 carbs on Bogg Brothers alu manifold. Ignition is managed by NoDiz and TPS combo.
Hence the whole head setup was initially ordered for Lotus 7 clone mainly for track-days, therefore the carbs are over fueling the engine on normal road driving. The AFR reading is taken by wideband clock and is up to 4000 revs too rich (9-12).
According to my understanding the best option for good normal drivability would be to change the main jets of the carbs to smaller size. Am I correct or are there some other thing to change.

With Regards
Madis