I own a 70 Pontiac Lemans and just build a new 350 for it, I know I shouldnt have wasted the money on the 350 but nevertheless I now need to rebuild a tranny for it. I have two th350s, one that doesnt go inreverse which is in the car and the other is one I got off of craigslist. I was thinking of attempting to rebuild it myself through it should be straight forward and I am low on money. Is it wise to rebuild it myself or should I wait and save my money to take it to get rebuild? Another question what rebuild kit should I get for it? I also need to get a torque converter and am still a little lost on what stall speed I need. The engine to my estimates should make around 300-400 HP, I have an edelbrock manifold with 4bbl Holley 4150 Double pumper, Headers, HEI distributor, it has a moderate cam in it 230, 236 @.50 duration and .488, .491 lift, I believe it has a 3.08 in the back but plan to upgrade to smaller gear, any suggestions?