-I was planning on tapping the heater lines (inlet/outlet) but i noticed that there is a valve on one of the lines. if i tap these two, wouldn't there be any flow at all since the valve keeps one of the lines closed?

-also, i bought some heater lines from autozone but i heard that these can't handle the temps. any suggestions?

 

no one running water lines for their turbo or something?

 

That is a control valve that opens and closes for the heater, so yeah...you cant tee off that. But to be honest, I wouldnt run the water lines for the turbo anyways. They are not really needed.

 

Not really needed? Come on... for longevity always add the coolant lines, we are talking 10 mins of labor and its incredibly easy to do. Grab one of the small 5/16 lines off the t-body/ IACV whatever, cut one in half.. run one line to the turbo, and another one to the turbo in any order so the turbo would be INLINE and in a complete loop with the coolant, it doesnt mater which direction the coolant flows when you do it like that either. I have always used fuel pressure line, at local auto stores, it has never broke down the rubber.

Jeff

 

Turbo housings are all the same...some just have the "option" to run the water through them. So are you saying for all the turbos that dont have the "option" to run coolant through them they wont have a long life? All the internals are the same whether it can run water through them or not.

 

No that wasn’t my point, they are put there for a reason, I understand you are into drag racing and nobody uses them which is fine.. but when you are doing a turbokit for street use and you have a water cooled center section, take the extra effort to go ahead and add the coolant lines. Every little bit helps. I mean look at most factory cars with turbo setups, they almost all have them. Conquest/Starions even had a recall back in the day to put new center sections on due to longevity.

I cant lie, there have been times I haven’t hooked them up, its just kind of a rule of thumb I guess, got to preach good practice sometimes...

Jeff

 

This has nothing to do with drag racing either...just making the statment that they are not needed...or even needed for longevity. Once again I will state the fact that a turbo comes with out without ports for water. The are the EXACT SAME turbo, one just has the option to run water. There is no inturnal differences between the 2. SO what I am saying is that if it was bad to run with out the water, then that would mean that even turbo that didnt have the option to run the water would not live long. This isnt true.

 

Since this has gone way off topic.. I will leave it at this..

I never said that they were different, all I said is that it would be a smarter thing to do.. Cooler is better, and if you examined a turbo that was an 2 identicle cars for 3 years, one with water cooled section, and one with none, I am for certain that you would see less wear in every aspect of the turbo on the watercooled section.

 

my theory is that running water lines for the turbo will heat it up even more.
but someone try to take me out of it.
could u run a tiny radiator before it reaches the turbo?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Quick 200k Mile Motor &raquo;</TD></TR><TR><TD CLASS="quote">my theory is that running water lines for the turbo will heat it up even more.
but someone try to take me out of it.
could u run a tiny radiator before it reaches the turbo?</TD></TR></TABLE>

The water should not be over 200 degrees really. The turbo center section is gonna be a lot hotter than that since the exhaust housing its bolted to can get heated to the point where they glow and have upwards 1500 deg. exhaust gasses passing through it.
I hooked mine up, people say it dont matter but it could only help. I have heard you dont need to let car with a water cooled turbo idle as long to cool down after hard running. The bearings are less likely to coke up as an oil cooled turbo.

 

wow, i never thought about running it inline w/ the throttle body line. thanx! i've originally had the non-watercooled center section but since i got it rebuilt recently i figured i'd add the line since there was no diff. in price.

 

What I have seen on cars with old radiators who decide to run the water lines, the car will start to overheat. A new radiator will cure this...but keep a look out for that as well...since yeah, the 200deg. water will be way cooler then the temp of the turbo.

 

i ran the water lines to my brothers t28bb on his nissan. with the lines, the car definitely ran warmer....the fans were on more often, even when it wasnt driven hard. i wish i knew how much warmer it ran, but the car only had the OEM dummy temp gauge. i used the radiator lines from NAPA, they are a little thicker and withstand harsher conditions.

NAPA 3/8" red radiator/heater line

 

Personally I would use the waterlines since they are there. Im sure that a turbo CAN last a while without them, but why risk it for no reason?

In addition, a cooler turbo means cooler oil, thus resisting oil breakdown.

There is no free lunch in thermal dynamics

 

dope, that red line looks better than my cheap pep boys heater line. do you guys think it'll hold? i bought a brass fitting and a heater barb but a lot people said that the heat from the turbine housing and dp will melt the hose. do you think i should use a pipe (maybe a u-fitting) that'll extend the hose a bit farther away from the turbo?