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

TB bypass?

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Old 05-20-2006, 06:01 PM
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Default TB bypass?

ok i get the basic idea of how to do it, i read the intro thread, so i go out to my car pop the hood and go HUH , i have an electric water pump that comes pretty close to the TB and cant seem to get any clearence , and i stil dont fully understand wut to do, any pics or diagrams?
Old 05-20-2006, 06:18 PM
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From Shbox's site:

Old 05-20-2006, 08:25 PM
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thats for the vented opti version, looking at his cardomain site, its a 94, early LT1. with pre 95 versions all you have to do is take the two hoses that connect to the TB at the bottom of the TB and put em together. here is pre 95 TB bypass.
http://www.geocities.com/MotorCity/T.../tbbypass.html
Old 05-20-2006, 08:54 PM
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take my advice dude. doing that stupid t/b bypass does NOTHING. ive heard of people gaining like 1-2 hp. I mean, its up to you, but its not worth it.
Old 05-20-2006, 09:13 PM
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Originally Posted by 98vortecbw
take my advice dude. doing that stupid t/b bypass does NOTHING. ive heard of people gaining like 1-2 hp. I mean, its up to you, but its not worth it.
That makes sense man Even if it does only add 1-2, why not spend 15 minutes and $2 to get 1-2 horsepower. Seems like common sense to me. What is it "not worth"

I would advise on not taking this guys advise. Maybe it is not a seat of the pants gain, but any gain that is this easy to do i dont see why you wouldnt

Oh, and check this out
TBB dyno
Old 05-20-2006, 09:51 PM
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The TBB has been dynoed at like 6 horsepower.
Old 05-20-2006, 09:54 PM
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Every little bit matters. EVERY Little bit!!! I have yet to do it. But my motor will most likely be out this weekend so we shall see.
Old 05-20-2006, 11:36 PM
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I have seen a friend of mine pick up 7-10hp across the powerband on a dyno. He has a stock 94 Formula.
Old 05-21-2006, 01:30 AM
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I say go for it, it doesnt take long at all, its really cheap, and it does add some power, but its really not noticable, but its there especially when the car is sitting in traffic, you can feel the difference.



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