With good tuning...you don't even need the converter...the stocker is much better than people give it credit for.
I have a built trans with a stock converter....well over 600 HP on nitrous...closer to 700...and it outlasted the short block...which kicked a rod out at 138,000 miles.
I have a built trans with a stock converter....well over 600 HP on nitrous...closer to 700...and it outlasted the short block...which kicked a rod out at 138,000 miles.