my friend has a 91 TII just got it 3 weeks ago, was riding in it today during lunch break, he went up to 8k in 2nd and right when he put into 3rd big cloud of smoke and a loud pop. its pretty much straight piped, its loud. anyway came to find out tonight blown motor. Deal he bought it from said it was 24k into rebuild and showed the mazda rebuild papers.. so dunno. tiss sad, just thought id share the death of a rex today.