thank you all for your advice. i do want to try doing this myself, not just to be hard headed but for the experience aswell. if you guys would see the rest of this project the driveshaft would be the least of your worry. grin grin grin i have several 220 welders, dial indicators and holders, v blocks, i also have a lathe but it's nor big enough to put the chuck driveshaft in. i am not that worried about the weld it'self but getting it perfectly straight when the weld pulls it. i have welded lots of pipe together over the years and it's a little tricky to get it perfectly straight. i don't want to make any of the pros cringe, so sorry if i did. the truth id this will prob never see 3000 rpm's, but i still want to do as good as i can. like i said the whole project isn't perfect, so we will see. thanks again, hr