Rear facing carb problem!

hey every one

iv now fitted a kiesler spacer alowing me to place my carb facing backwards, heres the problem it now doesnt run!! it runs for a few seconds on the choke but not on the throttle. im wondering if it's the fuel tap not supplien the carburattor fast anoth , please help me resolve this problem  as i need it up and runnig fast, any help and info would be much appreciated thanks...

 

KEEP THE PED SCENE ALIVE____KEEP THE PED SCENE ALIVE____KEEP THE PED SCENE ALIVE

 could there be something wronge with the carb? the piolet needle or screws ??? does it run when you pull the throttle??  or only runs for a few seconds what ever you do??