Im about to order my radix and some other goodies to go on my new Vortec max truck. I will have it dyno tuned once I get it all on but need to know if a 90mm throttle body would do me any good. Ive seen a few guys running them so im curious. Also which brand should I look into?

I will have Radix, 3.0 or 3.1 pulley not sure yet, 100mm metco idler pulleys, outlaw intake, corsa sport exhaust, and eventually some long tubes. What do you think? Is it necessarry or beneficial for me?

 

It seems that people on some model year trucks are having problems with the communication between the PCM, TAC and TB. The throttle blades are not opening all the way. I would research it to know that would not happen to your application. If you are assured that your install will operate properly then it sounds like it might be a good performance enhancement provided that you are going to push it all the way. Otherwise it may not be needed. Also look at the new high helix applications of the 112H and 122H before you make up your mind. Performace #s for these blowers should be out pretty soon.

 

After doing a little more research i found the same info you just posted. I think ill hold off on it until a fix is found.