What I do
Adjust on the carburettor's bench.
Stage 2 and a chest upgrade with S&S pump and Cam Support Plate
Stage 1 in combination with a camshaft.
Stage 3 with S&S cylinders and pistons 100-110 ci kit
Stage 1 in combination with a Big Bore kit.
The ultimate Twin Cam, 124 ci built on your original crankcase and powers up to 150 plus at the wheel.