If petrol is overflowing out the top of carby then your needle & seat are not sealing,maybe a bit of crap under the needle,worn needle or even a collapsed float,if you look at your exhaust tailpipe is the soot: wet or dry black or grey dry or white?

the exhaust is wet black

HI, took carb apart to clean out, mind you its a brand new one, not dirty at all, then put it back on still same problem, then I put a old carb on car going ok just needs fine tuning, so much for buying a new carb from eBay thanks everyone for their help.