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

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Old Nov 1, 2007 | 11:48 PM
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I hear people talking about the free mods, and i have used the search but i cant seem to find them... so i would like to know what all the "free mods" are, im trying to free up some horsepower on my car relatively cheap. thanks
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Old Nov 1, 2007 | 11:52 PM
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The only ones I know of are the throttle body bypass and the iat trick. The throttle body bypass just keeps the coolant from running through the throttle body. I'm not familiar with the other one I have not done it.
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Old Nov 2, 2007 | 12:14 AM
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isnt the other one just the resistor in the intake? if so it causes you to lose power
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Old Nov 2, 2007 | 12:19 AM
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Ill give you a free K&N filter, then you install it, it will be a "free" mod

There a couple of things, like blocking the hole that drops down in your elbow.
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Old Nov 2, 2007 | 12:43 AM
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i already have a k&n filter...im wanting to go full roller on the motor and a cam...but like every other dick jane and hairy i dont know what cam to get either...i wanted to get a gm847 but everyone told me it was too big, but yet i want more than the hotcam. i also want to delete the AIR and the EGR but i heard it doesnt offer any hp and i was wanting to go with lts and an ory, with 30lb/h injectors with a pcm4less tune...and while ive got the heads off i might p/p them and the intake...right now just plans, i doubt it will happen for a while, and also what do you use to fill in the silencer hole? and one last thing...would it be better to just get an elbow or just leave the stock on with the thing removed and plugged?
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Old Nov 2, 2007 | 01:53 AM
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duck tape for the elbow=free
so then if you think speeding 60bucks on the elbow that= not free
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Old Nov 2, 2007 | 03:54 AM
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The IAT Trick usually is the resistor, but I recommend relocating it further down the intake tube than that.
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Old Nov 2, 2007 | 12:06 PM
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I used the top of my old spice deo to plug up the donkey dong on the elbow almost fits perfect put some silicone and holding strong for a couple of months now
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Old Nov 2, 2007 | 03:32 PM
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on the iat sensor dont you have to extend the wires for it to move far enough down?
and what else is there that is pretty much free?
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Old Nov 2, 2007 | 06:24 PM
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a lid to a bottle of pert shampoo works perfectly for the donkey dong
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Old Nov 2, 2007 | 06:42 PM
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well i see that im not the only one that calls it that lol im trying to find something that we have that will fit in there
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Old Nov 2, 2007 | 06:49 PM
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also what good does it do to port the maf on the lt1? and how do i get that screen out without ruining it?
edit: lol its ruined i pshed on it and it snapped in half

Last edited by 97badass; Nov 2, 2007 at 07:11 PM.
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Old Nov 2, 2007 | 07:43 PM
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Originally Posted by 97badass
also what good does it do to port the maf on the lt1? and how do i get that screen out without ruining it?
edit: lol its ruined i pshed on it and it snapped in half

Well that was dumb...


You're really wasting your effort. Do the TB bypass and leave it be. Messing with the MAF screen is a bad idea.
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Old Nov 2, 2007 | 07:45 PM
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The MAF mod has been highly recommended AGAINST doing it. Theres no point till after 500hp.
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Old Nov 2, 2007 | 08:24 PM
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oh well too late now
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Old Nov 2, 2007 | 08:44 PM
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Also you can make an air scoop just cut a hole under you air filter and make a make shift metal scoop
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Old Nov 2, 2007 | 08:44 PM
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Confucious say, "Think before you break MAF sensor."
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Old Nov 2, 2007 | 08:47 PM
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Originally Posted by Rowdy94
Confucious say, "Think before you break MAF sensor."
amen
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Old Nov 2, 2007 | 09:05 PM
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i barely even pushed on it... and it went CRUNCH!! the little holes were mostly blocked with crap from my k&n which is now in the trashcan
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Old Nov 2, 2007 | 09:07 PM
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Originally Posted by 97badass
i barely even pushed on it... and it went CRUNCH!! the little holes were mostly blocked with crap from my k&n which is now in the trashcan
crap from your K&N eh? what crap pics...
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