Throttle body icing concern w/IC

[Dannyru89]

So, I've had my Starion IC installed since June and it works great. I've bypassed the throttle body "warmer" tube with a long piece of 5/16 hose to increase the effectiveness of the IC, but now winter is upon me here in northern Michigan and is too much cold air a bad thing? Should I connect the T/B warmer or should I not be concerned with this. I did put my 190 deg t-stat back in because w/the 180 I couldn't build enough heat to warm the cabin below 35 deg outside at 60mph. At 60-75mph I build good heat w/the 190 and my temp gauge sits right in the middle. W/ the 180 stat it'd sit just below half in the summer no matter the load.

 

So, heads should be ok?

Will I have an icing problem, should I cover half of the IC to prevent this, if it even happens, or hook the warmer back up?

 

Thoughts?

 

Danny.

[stngllhm]

it should not be a problem your air going into the tb will still be quite warm

[Vanislru]

I ran with my IC at -42 celsius which is damn cold. Ran perfect no issues at all. Felt like i maybe was a second faster from stop lights to 80 kmh/50mph, ice in my tank was an issue once. I think iceing of your throttle body is pretty much impossible cause there is no gas evaporating at that point, unless you have a turbo carb setup.

[Dannyru89]

I was just asking since the IC outlet pipe and throttle body seem really cold after a freeway run. I realize that is the purpose of the IC, but is there a point of too much coldness. I guess I'll find out.

 

Danny.

[oddcomp]

ok anyone correct me if i am wrong

 

but from waht i know<very little about anything> but icing was only a problem on carbureted vehicles

where moisture in the gas would build up ice on the throttle plates or was it the gas itself i forget

 

injected cars at least mpfi don't have that problem i would suspect spfi setups might have it but not to the same degree as a carbed setup

 

plus on a turbo the heat from the boost psi even after i/c cooling is still well above freezing

unless you want to build a c02 fogger setup like me hehe

then it might be close

[All_talk]

ok anyone correct me if i am wrong

Well you did ask...

 

The ice comes from the moisture in the AIR, but you are right in that FI should not have an icing prob. And turbos even less so, even off boost the pass through the turbo does some heating. The worst conditions for icing are just above freezing with hi humidity, as the cool moist air passes to the low pressure side of the carb ventury (pressure drop = temperature drop), the water condenses and freezes. I’ve seen it stick throttle plates open and even choke of ventures to tiny holes.

Gary

[NorthWet]

Well you did ask...

 

The ice comes from the moisture in the AIR, but you are right in that FI should not have an icing prob. And turbos even less so, even off boost the pass through the turbo does some heating. The worst conditions for icing are just above freezing with hi humidity, as the cool moist air passes to the low pressure side of the carb ventury (pressure drop = temperature drop), the water condenses and freezes. I’ve seen it stick throttle plates open and even choke of ventures to tiny holes.

Gary

Thanks, Gary. I was about to say much the same thing bout humidity. With aircraft, the danger temperature was around the low 40'sF, where the air could actually hold a fair amount of humidty (32F/0C can't) but still reach freezing accelerating through the venturi.