i didnt need to hear that i have a problem else were the car has a 350 turbo in it could my speedo be off considering it had a 700r4? i run 2756015 tires and they are defintly 373 gears 41 and 11 i bought them from jegs there richmond the trans is a rebuilt from advance auto i put a shift improver kit in it seems fine irun type f trans fluid and it looks good too . im going to try again tomarrow and read the tach and speedo again ill keep you posted and thanks again for all of youre replies