Then you don't know what you are missing, unless you are damn good at tuning a carb.
Must just be morons who have people like Braswell and BLP build their carbs. Or Mark Whitener to Dom. Just plain morons, when they can buy an off the shelf carb, which is calibrated for who know what and have it be perfect.
Working with a guy right now who bought an off the shelf Pro Form 750. By the time he gets done paying me, he could have bought a BLP B4X and been done. He's already wasted two weeks chasing down brass, buying a pin vise, buying drill bits and replacing them when he breaks them because he has the touch of a gorilla.
And he said to me yesterday "I'd have been money ahead to buy something else" and I said no **** Sherlock.
Live and learn you hope, but I doubt he's learned anything.
