Is the T5 from an S10 ? The Camaro shifter will give you a problem but the S10 shifter (and tailhousing if that is the trans you are using) will work much closer. The T5 will bolt onto the '63 bellhousing and the pilot bearing in the crank on the 250 will work with the T5 but you might have to trim 3/8" off the end of the T5 input shaft for the trans to sit tight into the bellhousing. As for a clutch to use it will depend on what size the one in your 250 is. You will use the pressure plate and throw out bearing from the 250 but the clutch disc you use can come from a mid 80's and later Astro van or there were some years of Jeeps that also had a 14 spline disc in them. The speedo cable should screw right back on but the driveshaft will need some re-working. The T5 is a little longer and it is a finer output shaft spline so you can use a driveshaft yoke from a 1965 and newer G.M. It will have the same size u-joint as the '63 and the correct spline for the trans. Not a real hard job to do as I have installed one in my '40 Chev and my '65 Pickup. And you will be very happy with the end results. Just ask if you have any more questions and I will try to answer them for you.
