Dave R,
I quit racing because I feel that I am getting to old and I don't have the reaction for it any more. I still like to go to an open track day with the street tires and just run around for fun. I also enjoy going to the high performance driving schools as it seems every instructor can teach me something different.
My Eaton unit is a clutch type posi-trac that a guy who builds the rear ends for a lot of the local racers did for me and he quaranteed me it would stand up to anything that I could put on it with this light car. As for me knowing anything that you need to know, you probably already know more than I do. Zderf breaking his like that on a shift is rather rare on a road course I think but if he was drag racing then it wouldn't be quite so rare. I have the 31 tooth axels in both cars and thay have stood up to a lot of down shifting which is hard on arear end too. Just remember the Cobras don't have a lot of weight in the rear end. I have my battery and some other weights that I used to use at times but now just have the battery in the trunk and a small plastic tool box strapped on the other side.
Ron
