thanks for your replies i fix the problem i got me the missing link and i wont shut down .!! but now when i run from take off , first i won't boost on 1st gear (i don't know if that's normal) and second when im in second gear i get full boost but it wont go down on third and i have to shift on to 4th rightaway cause my boost is not going down between shift ....
any ideas.???
