|
I also say NW 103mm TB. That's the direction I went & have had no issues at all with it. And I also had Matt do my tuning - he did a great job with it. I did pretty similar mods to what your planning, but not the pulley swap. I track my car & didn't want to chance any heat soak issues.
__________________
2019 ZL1 1LE 6-Speed
-----------------------------
Kong Ported Supercharger, Nick Williams 103mm Throttle Body, Roto-fab Big Gulp CAI, Kooks 2" LT Headers, AWE 3" Touring Exhaust, Cordes Expansion Tank, Mighty Mouse Catch Can, MS Tuning -- 661whp & 684ftlbs
|