Shorty and Danny
Thanks for the reply
Have removed IP top (Screws needed an impact screwdriver to loosen) it was clean and the diaphragm did move up and down but took more effort than i expected though can be done with fingers.
I did alter the OFF idle boost by 1 1/2 turns to see if this increased the torque but it did very little ,The same amount of smoke came out as before with no increase in power.
Didnt go any farther until replies from forum ,But there does seem to be a lot of possible movement to enrice the mixture .should i go further ?
The LIFT pump .It does say that when priming ,pump it until some resistance is felt .There is no resistance .But engine starts and appears primed .max speed is 70 and no more but this needs a long run up .May change it but dislike spending on the off chance