some more info,
Tony Wildman upgrades my programs when I installed the Van Turbo - but it wasn't something that was necessary, I just wanted some fine tuning/ a bit more tweaking.
Some go with the ATS housing, I went with the WW and have not had any surge issues. But those that have had the WW and ATS housing together say the turbo whine can get kinda loud.
Compared to the stocker you should see lower EGT's and lower back pressure which will be good for the PMR's if you have them. She might take a second to light, but when she does - look out.
The Van turbo can handle the higher boost better than the stocker. From what I've learned from Jon, Pocket, Jeremy & Brandon (and others), is that because of the larger turbine housing on the Van turbo, you can actually spool them over 25 psi and they will'll take it unlike the stocker. The bearings on both the stock turbo and the Van turbos have a tolerance of 60-80 psi of thrust load. That load is reached quicker with a smaller turbine housing as found on the stock Super Duty's, due to the higher exhaust backpressure creating a larger imbalance between the turbine and compressor side. With the van turbo, you have less backpressure, and less thrust load at higher boost levels.
I saved this explanation from when Pocket posted it on FTE a while back.....Thanks again Curtis!
Here is a link to a previous thread about the van turbo - It is a gret mod for the $ and I would do it again in a heartbeat.
Van turbo big enough for Stg1 singles - Powerstroke Nation