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Old 04-26-2004, 08:26 PM   #1
Aus_RS
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Member#: 35441
Join Date: Apr 2003
Location: Melbourne, Australia
Vehicle:
02 RST
GT2540R

Question Throttle body coolant path.

Had the intake manifold off the other day to move the fuel regulator out of the way (space is a premium on RHD, right side of engine, big-um brake booster and clutch cylinder). I noticed the coolant path through the throttle body. Since I live in a non-freeze climate, I was wondering about disconnecting the throttle body, and there you have it; convenient coolant source for turbo cooling. Has anyone done the same, or heard of?

Mark.
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Old 04-26-2004, 09:12 PM   #2
Safir
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i put my turbo coolant feed in-line with the throttle body, it was easy enough that i did not think it neccisary to bypass the tb entirely.

i am, otoh, interested in which direction the coolant flows through the TB...
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Old 04-26-2004, 11:40 PM   #3
kastle
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I've seen people re-route it on the basis that the coolant running through the TB is hot, therefore side effect is slight increase in air charge temp.

How much? I don't know... If you re-route it will you notice a difference? Doubt it...
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Old 04-26-2004, 11:55 PM   #4
Mancini
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I ran mine off there and had no "ill" effects as far as I could see. Oh except the throttle plate sticking open once when it was really cold and the car wasn't wamped up....that was fun It's an easy place to get coolant, but it's probably easier to just tap the heater lines since you don't have to remove the damn manifold to get ahold of the lines. There's been quite a few debates about using the throttle body vs. heater lines and then which way to connect the lines to the heater. They're all on here if you search for it.

Brian
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