Question Throttle body bypass - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums

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post #1 of 7 (permalink) Old 11-19-2012, 05:51 PM Thread Starter
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Post Throttle body bypass

What is a throttle body bypass and what does it do?
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post #2 of 7 (permalink) Old 11-19-2012, 07:24 PM
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It bypass' the coolant from circulating through the throttle body allowing for a cooler charge of air in the intake manifold. The cooler the air you get in the more power your engine makes.

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post #3 of 7 (permalink) Old 11-19-2012, 07:41 PM Thread Starter
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Cool. Thanks for clearing that up. Wouldn't it make sense for the coolant to bypass the throttle body anyway? Did that really serve a purpose? I ask bc when it comes to engines there is almost always a trade off for something when mods are made.
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post #4 of 7 (permalink) Old 11-19-2012, 07:58 PM
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It was supposed to help keep the TB from iceing up in the winter.

http://www.youtube.com/user/MysteryBird1?feature=watch
1995 TA: Converted Nose...381 LT1...4L80E...12 bolt...3.90 Gears...4000 TC
Best 1/4 10.71@ 125.73, 1.46 60ft, 3450lbs.
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post #5 of 7 (permalink) Old 11-20-2012, 10:48 AM
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we have to be talking about 1 degree here at the most.. the throttle body is pretty damn inefficient as a water->air heat exchanger. it's just a hole with a plate in it

how much could a hot throttle body truly increase air temp?

not saying dont do it, but dont expect it to make a difference
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post #6 of 7 (permalink) Old 11-20-2012, 11:34 AM
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Quote:
Originally Posted by steveo View Post
we have to be talking about 1 degree here at the most.. the throttle body is pretty damn inefficient as a water->air heat exchanger. it's just a hole with a plate in it

how much could a hot throttle body truly increase air temp?

not saying dont do it, but dont expect it to make a difference
Proven on dyno: Modifications #8

For a free mod, why wouldn't you?

http://www.youtube.com/user/MysteryBird1?feature=watch
1995 TA: Converted Nose...381 LT1...4L80E...12 bolt...3.90 Gears...4000 TC
Best 1/4 10.71@ 125.73, 1.46 60ft, 3450lbs.
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post #7 of 7 (permalink) Old 11-20-2012, 12:56 PM Thread Starter
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Wow. Then again it does make sense, since the heads would be getting the coolant vs throttle body. Besides it doesn't get that cold where I am, or where I'm headed. I'm sold on the mod.
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