I have a weber 45 on my motor and it stalls when warm and coming to a stop to idle, but it drives fine on the open road. The car is rarely driven. I am planning on taking it to a carbureter specialist on Friday, but if the car stalls most of the time it won't restart unless l change the plugs. The plugs are black as can be when l inspect them, l am hoping on driving the car the 10 min journey to the mechanic. The weber came off a car l bought which was written off, the weber itself has never been inspected internally. Does it sound like my idle is super rich? Do l raise the idle to compensate for the stalling? Can anyone give me some pointers on what jet sizes and specs l should be running. I have recently changed the fuel reg and pump as l believed that this was the culprit, l have a steady 2.5 psi of fuel and l have fresh petrol, thanks for your help

Motor is a 1330cc with a 286 cam

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SPO41 Mk2 Cooper S very original
1993 R32 Nissan Skyline GTR

Sounds like flooding - float level adjustment or needle and seat leaking. The following settings should be a good starting point for your setup. 36 chokes. 160 main jets. 180 air correctors. F2 emulsions. 3.5 secondary venturies. Float level shutoff is 8mm and 15mm full droop on a DCOE13 (brass floats). 50 Pump jet. 50F8 idle jets. Block off the pump return spill valve. 1.75 needle and seat. What model DCOE ?