CLANK cant figure out whats causing it!!!!

[mitsu-luver]

hey was up, as you see i have a 91 gsx, but any way i have this hardcore anoying clank!
whenever i let out in rev. or when i accel fast and/or then let off fast. im pretty shure it
is the u joint ### i can feel play when i get under the car, but then i called machv they said
the u joints should have play. i dont know what to do and i need some ideas. if youve had this prob tell me what you did......thanks peace

 

[MrBoxx]

Do not double-post the same problem, even if you give it a more descriptive thread title.

Please use proper grammar and spelling and explain your situation COMPLETELY before expecting us to diagnose a sound on the internet.