I need help choosing a converter for my 41 chevy bracket car. Each different tech line i call i get a different opinion, and a different answere...Anyway, Motor is a N/A 12-1 355 sbc, Dart pro-1 200 cc heads, comp cams solid lifter, 532/555 lift, 252/262 @.050. Car weighs roughly 3200, turbo 400 trans,.456 gear, 28x9 Mickey thomson slicks. Some tech lines say 3500 stall, some say 5000. Any help here would be greatly appreciated.