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#5: 03-22-2013, 09:47 AM
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Location: Wayne, PA
Car: 2010 Legacy Limited 3.6R w/knucklehead
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Originally Posted by orndog View Post
For the people that want their intake charge as cool as possible. The coolant flowing through there is meant to warm it up in cold weather. I did this on my '03 OBS and drove it in 0 degree temps at 70mph and never had an issue. In fact, it was my first and only write up on Scoobymods.
A lot of cars have this coolant tube going through the throttle body. It's a basically a free intake mod you can do and most of the time you don't need a new hose just move the existing one. I've done this to my ford and my last two Hondas and never had a problem. Could I quantify it? No, it's more piece of mind that its one less thing to warm up the air going into the engine any more than it has to.