ok changed the air flow as mr shread said

the car now does not hesitate and goes really well

... apart form that the car is still idleing a touch lumpy but is sticking to around 800rpm and goin down to about 600 and back not all the time just now and then... not like before when it was all over the place
i am still going to replace the fuel tank and pump etc as it needs doing
TO BE CONTINUED...