Here is the problem the car, 86 Iroc 350 engine that is stock when it is put in gear it will cut off sometimes if you put your foot on the brake and give it gas it only stalls to about 1100-1200 it has a b&m 2400 torgue converter in it, but it did the same thing with the stock converter the car runs and shifts fine all the electronics for lockup work fine we even unplugged the lockup thinking that might be the problem but it wasnot. Thanks for any and help.