Funny you should mention it turbo Trana my car starts cold like sh*t. Even stock it wasn't great but tuned it's far worse. Took it back once and they blamed it on the battery. Changed battery slightly better but still not good. And it stalls on hot starts as well. Other than that it's perfect.
When I get em to rebuild my gearbox I'm just gonna keep taking it back until it's perfect, I was too forgiving the first time
Can you shed any light on what makes the cold starts so bad? They didn't seem to know.