Originally Posted by coloradoracerguy
What can a stock powerglide case hold up to in regards to hp limits? How much does an aftermarket bellhousing (i.e. an Ultrabell) improve upon that, if any?
Thanks
Mark
Mark it really depends on the weight of the car and the hp, a light car (dragster) you can run a stock case with 1000-1100 and be plenty fine, a 3300lb door car with less hp wouldnt hold up.
IMO if your going to spend the money buy the entire case, it'll be worth it in the end.