M110 with Weber 38 Fuel drains out of carb overnight

[postman70]

Hi there, having issue where fuel is draining out of carb somewhere. If I leave car overnight I will have extended cranking do to gas having to come all the way up from tank. Would gas be draining into intake or is it going back to tank? What do you recommend I check

[adamb]

Didn't the M110 come with the Solex 4A1?

[postman70]

Yes I did a swap to Weber 38 DGAS