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Old 10-18-2009, 09:32 PM
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Throttle Body Coolant Bypass mod?

is this a goodthing to do for the g? and whats the main purpose?
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Old 10-18-2009, 09:41 PM
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prevents heating the throttle body/neck of plenum with hot coolant. Not needed in warm climates so you can run the plenum marginally cooler bypassing the coolant flow. Motordyne sells a kit...
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Old 10-18-2009, 09:46 PM
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cant you just make on yourself?
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Old 10-18-2009, 10:02 PM
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Quote:
Originally Posted by G35-31 View Post
cant you just make on yourself?
Yes, you just need to bypass the TB. Connect together the two hoses that go to it and you are done. GL!
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Old 10-19-2009, 10:04 AM
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Unfortunately the air at WOT is traveling so fast that it doesn't have time to heat up from the walls of TB or plenum.
If you can develop a method to actually drop air temperature 11F it might be worth 1% density increase.

A cold plenum can condense more PCV gases/oil vapor after throttle plate making things dirtier and risk thottle sticking.
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Old 10-19-2009, 04:38 PM
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Quote:
Originally Posted by Q45tech View Post

A cold plenum can condense more PCV gases/oil vapor after throttle plate making things dirtier and risk thottle sticking.
this is true... as I've noticed with excessive build-up (I clean it every so often)… for this reason a “control” valve like Motordyne sells is a better option than completely bypassing… I run with mine open for a while every now and then.

However, a good oil catch can should keep the "PCV oil vapor" to a minimum.
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Old 10-27-2009, 10:31 PM
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not gd in cold weather
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Old 10-27-2009, 10:31 PM
 
 
 
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body, bypass, clean, coolant, coupe, g35, install, mod, mode, modification, motordyne, tb, throttle, unnecessary, valve


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