89 1/2 to 93 cars have 140 speedo standard in the V8's. pre 89 1/2 to 87 had the 85. now to make it a little more confusing, the 87-89 1/2 police cars had Certified 140 speedos. the 89 1/2 to 93 cop cars had a certified 160 speedo in it. i got my hands on a 160!
