History 53 Merc...

am repairing a '53 merc for a friend...definately had some body add-ons
OE flatty w 2bbl teapot...has bad stumble off idle.. ideas? I did ck the acc pump,it's working..
motor has new fuel pump, plugs, points & cond

 

Timing ?


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Carb need a rebuild?

 

Usually , it has more to do with too much advance than anything else .......... scrubba