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Re: anyone bypass the coolant lines on Throttle body Posted by REM in Seattle [Email] (#4) [Profile/Gallery] (more from REM in Seattle) on Sat, 22 May 2010 11:36:50 In Reply to: anyone bypass the coolant lines on Throttle body, davids [Profile/Gallery] , Sat, 22 May 2010 10:48:18 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Many cars run engine coolant through the throttle body in order to warm it up so the throttle body doesn't get filled with ice due to a mix of cold temps, humidity, and condensation. This is done because car manufacturers cannot design a car to work for "most" people, they are expected to make cars that work in any condition.
Bypassing the coolant line to the throttle body should improve performance somewhat, as you are not adding heat to the incoming air. Of course the air is flowing very fast through the throttle body at wide open throttle position, therefore not picking up much additional heat, so the performance increase may be minimal.
I guess it depends on where you live and if you might ever see icing conditions in the areas you drive your vehicle.
REM in Seattle
2005 Saab 9-3 Aero Convertible; Steel Gray metallic; 5-speed; 28,000 miles
1998 Saab 900SET; Silver metallic; 5-door; Automatic; 114,000 miles
1984 Saab 900T; Cherry Red; 3-door; 5-speed; 242,000 miles (RIP)
_______________________________________ REM in Seattle Current: 2013 Volvo XC60 R-Design, Rebel Blue, 3.0L 6-cyl turbo, Automatic 2024 MINI Cooper S Convertible, 2.0L 4-cyl turbo, 6-speed manual Former: 2005 Saab 9-3 Aero Convertible, Steel Gray metallic, 2.0L 4-cyl turbo, 5-speed 1998 Saab 900SET 5-door, Silver, 2.0L 4-cyl turbo, Automatic 1991 Alfa Romeo Spider convertible, Alfa Red, 2.0L 4-cyl, 5-speed 1984 Saab 900T 3-door, Red, 2.0L 4-cyl turbo, 5-speed
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