C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Throttle body coolant intake

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Old Feb 26, 2015 | 11:25 PM
  #21  
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Originally Posted by Vett1990
I believe we need to ask ourselves a couple of question before we proceed.
1. Are we looking for performance?
2. Are we looking for cosmetics?

If you’re looking for a performance gain I would definitely remove the coolant from the TB, as it will affect the stock located MAT sensor and possibly affect the MAP sensor reading.

If you’re looking to clean-up the cosmetics of the engine bay, I would leave it alone. The TPI engine has a fairly cool and uncommon look to it.
What effect does the coolant running or not running through the throttle body have on emissions? Living in Phoenix we have emission testing.
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Old Feb 27, 2015 | 07:42 AM
  #22  
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Originally Posted by Dakotaz
What effect does the coolant running or not running through the throttle body have on emissions? Living in Phoenix we have emission testing.
Little to none. A couple degrees hotter or cooler intake won't really make the difference.
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