i just put one from dynamic in jamies dart. not cheap but man does it work...
as for good companies go. top three would be (in no particular order) :
dynamic
PTC
ultimate
all three will build ya one for you engine combo/intended usage. you just need to be 100% honest with the answers to their questions. my latest one is intended for a car that may see the track once every 5 years if that. the car is pure street car and needs to cruise the highway more then anything else. its supposed to flash to like 3500 (if i remember correctly) but will be efficient on the street with a 3.23 gear. i can say it works awesome with the 2.94 gears that are in the car now.
the converter can and will make or break the car. get the right converter and it will be a lot more enjoyable experience for you in the long run.
