For those that have replaced their 200r4 with a th400 in a turbo buick; what speedo gear in the th400 did you use to get the speedo close to accurate. (stock rear tire and 3.54 gear)
For those that have replaced their 200r4 with a th400 in a turbo buick; what speedo gear in the th400 did you use to get the speedo close to accurate. (stock rear tire and 3.54 gear)
WELL EVERY CAR IS A LITTLE DIFFERENT , BMR WANTED IT FROM THE BACK OF THE TH400 TAIL SHAFT TO THE CENTER OF THE REAR U JOINT .I THINK MINE WAS 53 3/4 ".