Lason

iTrader: (1)

OK so where do I route the hose for the steam line or coolant line or whatever it is?

Stu Cool

iTrader: (13)

I drilled a hole in the top of my water pump and threaded it for 1/8 NPT, then put a 90 degree fitting there. Nice and clean and so far seems to work just fine.

Pat

Lason

iTrader: (1)

Thanks Pat, do you possibly have a picture of where you drilled? Sounds like what I was thinking, except I was going to tap it into the thermostat housing but I dont know what direction the coolant is supposed to through the lines.

Stu Cool

iTrader: (13)

Here ya go, it's kinda buried under the wiring for the throttle body etc.

Pat

Lason

iTrader: (1)

Thanks alot! Looks like I found my project for tomorrow

G-Body

iTrader: (4)

I put it into the heater hose just like GM did for the 04` envoy. Just thought I`d throw it out there in case you didn`t really want to drill the pump.

Schitzo

iTrader: (6)

hooked mine to the radiator like they have it in the F-bodies

Lason

iTrader: (1)

Thanks guys, the heater hose idea may work as well but Im not planning on running a heater for a while so I may just loop the hoses for the time being.

Slo_240sx

iTrader: (17)

Schitzo, did you have to tap that bung for the radiator or is that something from an F body?

I have an aluminum radiator and capped off the line. Sean @ SMC performance said thats a NO NO. Has anyone ever put a tap into a aluminum radiator without welding? One of my co workers said I could just put a brass fitting with a nipple on one side and the other end would thread into the radiator with a tapered end and would seal fine. I don't want to drill if I don't have to...

67RSCamaroVette

iTrader: (63)

I did that, schitzo. I cut off the plastic overflow nipple thing, drilled out the hole with a bit smaller than the small side of a 1/8" NPT elbow (with a barb fitting on one side), and just threaded it in straight until it was almost tight. Then I backed it out all the way, put some Teflon thread sealant on it, and threaded it in all the way. I am confident that it wont leak, and the only time it'll even see liquid is when the coolant system overheats.

87ssMonte

on the 87ss monte, there's a plastic plug right under the inlet. I guess it there for flushing the system. the plug on mine is 1/2 iron pipe (standard) thread.

Slo_240sx

iTrader: (17)

You cut the overflow nipple and used that port? If you did how will the engine bleed off air, because the radiator cap vents,only pulls when needed and has vaccum. If the system is pressurized it wont vent back into the radiator, leaving air in the heads.

I like the water pump tap, but still air will settle at the highest point of the cooling system and having it lower than the heads still might trap air also...

You guys still think it will be okay if I tapped an aluminum radiator with a brass tapered fitting?

67RSCamaroVette

iTrader: (63)

nonono i didnt use it for the steam port. I used it because I dont want a hose sticking 4" out of the back of my radiator. I havent messed with my vent yet. I think it's ok to tap aluminum and use a brass fitting becuase they're both non-ferrous.

Lason

iTrader: (1)

OK Im really confused 67RSCamaroVette. Do you have the coolant vent line tapped into the radiator? If so did you use the overflow nipple? Sorry Im just confused on how you fixed it on your ride.

67RSCamaroVette

iTrader: (63)

I'll tap my waterpump for the steam port. I was saying that it IS possible to just thread a brass fitting into the radiator. I am doing it for my coolant overflow, so it tucks nicely. The stock one stuck out about 2" from the neck of the radiator cap. Now, it's only 1/4" out, and then straight down.

Schitzo

iTrader: (6)

I did not cut or drill into anything.....my radiator is a brass type and had a threaded opening on it. I just bought a brass NPT to barb fitting and that was it. you can see the fitting in the pic

67RSCamaroVette

iTrader: (63)

schitzo, please tell me where you got that "Y" for the intake? I've been looking for one for a while.

olly

redmist

"Jags that Run" sells an adaptor that runs inline with your top hose. Simple cheap effective.

bimmers4life

iTrader: (1)

im confused... so the end of the tube just vents to the atmosphere correct?

Stu Cool

iTrader: (13)

Not Correct. The end of the tube connects back into the cooling system, otherwise you would lose your coolant. It can go into a fitting on the radiator tank, a radiator hose with a T fitting, a heater hose with a T or a fitting can be drilled and tapped into the water pump. Quite a few different options.

Pat

P.S. This not the radiator overflow, it is vent tube coming from the cylinder heads to release steam that can get trapped in there.