Make sure you grease up the input shaft on the transmission before you put it in. Make sure you grease up the INSIDE splines as well. You do NOT want the seal on the outside to start rubbing on a dry shaft--you will tear the seal out. You want grease on the inside because even though your chariot of fire has an independent rear suspension, there is still a tiny bit of movement on the splines as you step on the gas to pass that VETTE