I've got to put my .02c's worth in too about used trannys...Only if I can drive the car will I use the tranny..I needed a TH350 for a Nova and the head boy at a local yard swore on a stack of bibles he drove the car it came out of.In fact he drove it to the yard.. Yeah right ..So I install it and there is NO DRIVE..Reverse only...It was that places worst day when I showed up!!!...I made them rebuilt it and have it ready the next day or I was returning with a gun!!!...Just can not deal with crap like that....Ok..I'm mellowed out again....Al.....