coolant hose to throttle body

Seen alot with it plugged with no affect.

I dunno how to load a pic from my phone

Yeah I am wondering the same thing what to do with the hose I don't want to drill and tap the waterpump so what's my next option I really font know what the hose is used for so if someone can tell me also what needs to be done would be great

Check out the link I put on the first page. I modified the stock TB to remove the coolant crossover. Easy and took about 5 mins and the coolant is not heating the TB.

The hose is to prevent the throttle blade from icing up in cold weather. If you never see cold temps then you're fine to bypass it. I personally doubt that it has too much effect on power, at least not enough to warrant removing it if you think that you would ever drive it when it's below freezing.

AFSP1211: Personally, after living in ND, I would connect it. I remember a lot of days it wouldn't get over 0*. GM put it there for a reason, and they do a lot of cold weather testing to find these things out. With the plastic intake doing a lot to isolate the throttle body, I'd imagine it gets insanely cold running down the highway in 0* weather. (unlike the vortec/tbi setups where they get heat soaked from the intake)
Of course, if you park it in the garage all winter then it's a non-issue.



Venom: I take it you're running the trucks radiator and not a LS style? I don't know if you can plug the line on the head, but my guess would be that you can with no side effects. It really doesn't circulate much fluid, and the LS radiators it just goes back into the radiator.
If you want to heat the TB for winter, I would tap the t-stat housing as others have said to keep circulation. You could also get out a tape measure and figure out which LS style radiator you could fit and get one with all the correct fittings.

Hey 88! Where in Montana are you located? I'm in Miles City. Good to see another Montanan here!

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Originally Posted by 88RCLB

The hose is to prevent the throttle blade from icing up in cold weather. If you never see cold temps then you're fine to bypass it. I personally doubt that it has too much effect on power, at least not enough to warrant removing it if you think that you would ever drive it when it's below freezing.

AFSP1211: Personally, after living in ND, I would connect it. I remember a lot of days it wouldn't get over 0*. GM put it there for a reason, and they do a lot of cold weather testing to find these things out. With the plastic intake doing a lot to isolate the throttle body, I'd imagine it gets insanely cold running down the highway in 0* weather. (unlike the vortec/tbi setups where they get heat soaked from the intake)
Of course, if you park it in the garage all winter then it's a non-issue.



Venom: I take it you're running the trucks radiator and not a LS style? I don't know if you can plug the line on the head, but my guess would be that you can with no side effects. It really doesn't circulate much fluid, and the LS radiators it just goes back into the radiator.
If you want to heat the TB for winter, I would tap the t-stat housing as others have said to keep circulation. You could also get out a tape measure and figure out which LS style radiator you could fit and get one with all t
he correct fittings.

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Thanks! Yeah I have a brand new truck radiator so I figured I would use it. Ill just block it off some how thanks!!

I just finished my swap. Not sure which rad you have, but mine was new as well. It had the stock upper and lower rad ports, 1 for the overflow tank, and the other for the hose that came off the heater core. I used a fitting that went from 3/8's to 1/4 barbed, and placed the large end (3/8th) into a peice of 5/8th heater hose, about 3-4 inches long. I then connected the small hose to the hose barb end of the fitting, and clamped everything down. Works great, cost about $2.

thats not a bad idea. where did you find the adapter at?