i have a Dart all aluminum sbc conversion with 930 transaxle and all the usual performance suspension stuff. my car is a daily driver. the motor is 434 cubic inches with EFI and develops almost 600 chp in a 71 coupe that weighs about 2250 pounds. i do not do track events so i cannot relate to those conditions...but on the street it is solid and it still looks and drives as a porsche to me. do the conversion and you will enjoy it for years to come...i would keep the g50 transaxle.
