Thinking about buying a torque converter from roadrunner converters they offer a 12in 2600 stall for 200 free shipping im on a real tight budget for now witch is why im thinking about this are they good ? bad? Is there a decent converter out there for under 300? some one help lol car has ported gt40p upper and lower bbk 70mm tb bbk cold air 24lb injectors with supporting 80mm maf 3.55 gears its a 94 cobra