[heatst]

I have a stumble at 4800rpm in 2-4 under hard acceration.
I have a vortec running 10 pounds of boost with 42lb injectors. First gear is fine and it doen't lose fuel pressure. Any ideas? I do have a sct tuner.

 

[1turbofocus]

Many ideas but first can you send me a datalog with the air fuel gauge logged

Maybe a 5 min idle then a 3-4 min cruise and a 3rd gear wot

Tom