Sep 18, 2022 #1 N nauju Newbie Joined Nov 10, 2021 Messages 26 Reaction score 15 Location Conroe tx I am wanting to do the 411 swap on my truck with a vortec 305, would I have to modify the 350 tune in order for it to work well with the 305?
I am wanting to do the 411 swap on my truck with a vortec 305, would I have to modify the 350 tune in order for it to work well with the 305?
Sep 18, 2022 #2 L31MaxExpress I'm Awesome Joined Apr 21, 2018 Messages 5,892 Reaction score 7,542 Location DFW, TX They built 0411 run 305 vans. Because of the cat/02 sensor configuration its best to start with the 305 tune. Last edited: Sep 18, 2022
They built 0411 run 305 vans. Because of the cat/02 sensor configuration its best to start with the 305 tune.