Recent content by tissot75

Hi all. I've got a 1979 SIII 4cyl petrol. I've just had my Zenith 36IV carby overhauled by a specialist. When I went to adjust it I found the volume screw has no effect (well that's not quite true; if i screw it right in or right out it will stall) but it's impossible to tune it. I think it...