Quote Originally Posted by In-Tech View Post
Hiya,
Since you are building a new intake tract, use the 01-06 Truck MAF, it is much more forgiving to intake tube changes(Initial tune I posted is set up for that). Make sure it has at least 12" of straight tube after the MAF, and a high quality air filter before the MAF that will reduce any turbulence before the MAF. These things will drastically help you in the tuning process.
I have not experienced that at all. Any intake change even with that MAF has had to be adjusted for.

I also just put a GenIV truck or G8 MAF on a setup. It works very well.