LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Free Mods?

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Old Dec 30, 2010 | 12:38 AM
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Default Free Mods?

What are the "Free Mods"?

Are they worth it?
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Old Dec 30, 2010 | 12:50 AM
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Originally Posted by SpeedFreak123
What are the "Free Mods"?

Are they worth it?
just free stuff like TB bypass, weight reduction, there is prob more but I cant think of any right now
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Old Dec 30, 2010 | 12:55 AM
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Originally Posted by 97camaross
just free stuff like TB bypass, weight reduction, there is prob more but I cant think of any right now
Whats the the TB bypass? how do i do that? what does it do?
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Old Dec 30, 2010 | 01:01 AM
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Originally Posted by SpeedFreak123
Whats the the TB bypass? how do i do that? what does it do?
http://www.ls1howto.com/index.php?article=13

read this


it works the same on LT1 cars
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Old Dec 30, 2010 | 01:01 AM
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The TB bypass removes the hot coolant running through your TB to give you a colder air charge. Its worth maybe 1 or 2 hp. You remove the coolant line from under the TB and place it onto the steam pipe on the passenger side of the intake manifold. Then there is the free ram air mod (cutting out an opening where your CAI filter is) and plugging up the hole in your intake elbow where the silencer is
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Old Dec 30, 2010 | 01:04 AM
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Originally Posted by hitmanws6
The TB bypass removes the hot coolant running through your TB to give you a colder air charge. Its worth maybe 1 or 2 hp. You remove the coolant line from under the TB and place it onto the steam pipe on the passenger side of the intake manifold. Then there is the free ram air mod (cutting out an opening where your CAI filter is) and plugging up the hole in your intake elbow where the silencer is
Ok. Sounds good. Doesnt really seem worth it.
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Old Dec 30, 2010 | 01:06 AM
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The bypass is free on 96-97s, you literally just move a hose
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Old Dec 30, 2010 | 09:18 AM
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the t/b bypass is so simple its stupid not to do it. there have also been dyno charts proving up to 6hp.
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Old Dec 30, 2010 | 09:29 AM
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Originally Posted by trilkb
the t/b bypass is so simple its stupid not to do it. there have also been dyno charts proving up to 6hp.
thats just wishfull thinking...

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Old Dec 30, 2010 | 03:47 PM
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Originally Posted by R3DLT1
thats just wishfull thinking...
Wishful thinking eh?



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Old Dec 31, 2010 | 12:59 AM
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Originally Posted by RamAir95TA
Wishful thinking eh?



Nice, I saw the picture was for 95 and newer, what about 94?
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Old Dec 31, 2010 | 01:10 AM
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It would be the same or real close id think. Basicly all your doing is taking the hose to the drivers side of the T.B. and connecting it to the place that connects to the pass. side of the T.B..
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Old Dec 31, 2010 | 01:20 AM
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It's the same for all years.
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Old Dec 31, 2010 | 10:02 AM
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I think there was a thread where someone added up the increase HP from the various free mods and it was a decent increase. Think about it - even if you only get 10 hp, it's free hp!

My favorite was the air box mod - here's a pic since I can't find the thread:



IMO, it looks better than some of the sewer pipe intakes and supposedly flow just as well as some of the well known CAI if you add an elbow.
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Old Dec 31, 2010 | 11:50 AM
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Originally Posted by Cheap Guy
I think there was a thread where someone added up the increase HP from the various free mods and it was a decent increase. Think about it - even if you only get 10 hp, it's free hp!

My favorite was the air box mod - here's a pic since I can't find the thread:



IMO, it looks better than some of the sewer pipe intakes and supposedly flow just as well as some of the well known CAI if you add an elbow.
I think I just dooked myself. That looks AWFUL. I can't see the benefit either, especially since you're just sucking hot air from the engine bay.
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