StupidTodd

Yes, your TB can freeze up. In the winter, the TB is only going to get so warm from the engine itself. Any moisture in the air, could condense inside the TB and freeze, making your TB stick.

I'm not sure how strong the electrical motors in our TB's are, and how much freezing would have to happen before this would become a problem.

But that brings me to my question. Sure this mod is great for N/A and charged applications. I imagine you could install a valve of some nature to allow easy on/off for winter months. But what about nitrous applications?

If cold weather could be enough to freeze a TB, than a shot of liquid N2O right onto the blade might cause the same problem, even in the summer.

So, any of my fellow nitrous friends, be careful if you do this mod. A TB stuck open, might cause the TPS switch to stay armed (you may not be able to turn your nitrous off without disconnecting the power).

NickSezz

good points...unless an expert on this engine tells me otherwise...ill have to find out if this was a good idea or not the hard way.

Puleo76

i just did the bypass by but dont really feel any difference. nothing noticable yet anyway... didnt run it 2 hard after i tried it.

Jerseyfury2

now that I think about it, since winter is coming, it might be wise to leave the TB heater in for the winter...

07GT

I seem to remember this mod being done on the 5.0 liter fuel injected cars in the 80's. Then years later I read that the lines are used to cool it, not heat it. The measurements in the article seem to prove that it works though.

fitbikeco

ya these lines were def made to make sure that it does not freeze
ran the hell out of the car after the mod and the TB was touchable
before the mod the TB burns the hell out of you

07GT

They don't even have them on the 4.6, so maybe they're not necessary at all.

fitbikeco

ya from what i have herd they were only on the v6 in 2005
dunno what kinda sence that makes but im thinkin that its not needed

Jerseyfury2

i did the bypass. I definetly noticed more of a gain up in the 50-90mph range with response, can't really explain it, know it feels better though. Did you guys plug the hose inlets from the throttle body?? i know i'm just leavin em open for now....should i plug em??

NickSezz

I have a post earlier in this thread about that. I would just leave then open. The way i see it, the air inside the coolant box on the TB will heat up and cause convection. The inlets will allow hot air to vent out to the cooler environment and in theory produce better cooling. you may think otherwise but mine are open.